giornaledellabirra.it Giornaledellabirra.it

   
Giornale della Birra - Notizie, info e tutto ciò che parla di birra!

Domain Summary

What is the traffic rank for Giornaledellabirra.it?

• Giornaledellabirra.it ranks #6,095,169 globally on HypeStat.

What percent of global Internet users visit Giornaledellabirra.it?

1.56E-5% of global Internet users visit Giornaledellabirra.it

How many people visit Giornaledellabirra.it each day?

• Giornaledellabirra.it receives approximately 769 visitors and 900 page impressions per day.

Which countries does Giornaledellabirra.it receive most of its visitors from?

• Giornaledellabirra.it is mostly visited by people located in Italy,Spain.

How much Giornaledellabirra.it can earn?

• Giornaledellabirra.it should earn about $0.22/day from advertising revenue.

What is Giornaledellabirra.it estimated value?

• Estimated value of Giornaledellabirra.it is $209.87.

What IP addresses does Giornaledellabirra.it resolve to?

• Giornaledellabirra.it resolves to the IP addresses 89.46.108.63.

Where are Giornaledellabirra.it servers located in?

• Giornaledellabirra.it has servers located in Arezzo, Province of Arezzo, 52100, Italy.

giornaledellabirra.it Profile

Title:Giornale della Birra - Notizie, info e tutto ciò che parla di birra!
Description:Produzione, homebrewing, mercato, news, eventi, curiosità e consigli per bere e produrre birra: Giornale della Birra! Con Accademia Italiana della Birra.
Category:Food and Drink / Beverages
About: Giornale della Birra is an Italian website dedicated to the world of beer. It serves as an informative platform for beer enthusiasts, covering a wide range of topics related to beer culture. The site features articles on beer tasting, brewing techniques, industry news, and events in the beer community. It often includes interviews with brewers and experts, as well as reviews of different beer styles and brands. The platform is tailored for those who are passionate about beer, whether they are homebrewers, professionals in the industry, or casual consumers interested in learning more.
*This text is generated by artificial intelligence and may not be accurate. Edit Site Info

What technologies does giornaledellabirra.it use?

These are the technologies used at giornaledellabirra.it. giornaledellabirra.it has a total of 10 technologies installed in 10 different categories.

giornaledellabirra.it Traffic Analysis

Giornaledellabirra.it is ranked #6,095,169 in the world. This website is viewed by an estimated 769 visitors daily, generating a total of 0.9K pageviews. This equates to about 23.3K monthly visitors. Giornaledellabirra.it traffic has increased by 15.7% compared to last month.
Daily Visitors769
44.96%
Monthly Visits23.3K
15.7%
Pages per Visit1.17
6.14%
Visit duration00:37
156.64%
Bounce Rate55.48%
20.54%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
769
Monthly Visits:
23,301
Pages per Visit:
1.17
Daily Pageviews:
900
Avg. visit duration:
00:37
Bounce rate:
55.48%
Global Reach:
1.56E-5%
Monthly Visits (SEMrush):
27,200
Monthly Unique Visitors (SEMrush):
23,966
Monthly Visits (SimilarWeb):
22,830
HypeRank:
6,095,169
SEMrush Rank:
13,036,707
SimilarWeb Rank:
1,570,253
*All traffic values are estimates only.

Traffic sources

Direct:
15.81%
Referral:
0%
Search:
80.24%
Social:
3.95%
Paid:
0%

Desktop vs Mobile

Desktop:
31.72%
Mobile:
68.28%

Total Visits Last 3 Months

22.9K
JUL
20.1K
AUG
23.3K
SEP

Visitors by country

Country
Users%
 
Italy 96.65%
 
Spain 3.35%

Where do visitors go on giornaledellabirra.it?

 
Reach%Pageviews%PerUser
giornaledellabirra.it
100.00%100.00%1

Which sites are competitors to giornaledellabirra.it?

Websites similar to giornaledellabirra.it are sites similar on user interests and browsing behavior. Users can discover new websites that are similar to the ones they already enjoy or find useful.
Last update was 139 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with giornaledellabirra.it in any way. Only publicly available statistics data are displayed.

Search Engine Indexes

Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.
Google Index:
6,560
Bing Index:
5,500

 

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  giornaledellabirra.it
Rank:
(Rank based on keywords, cost and organic traffic)
  13,036,707
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  97
Organic Traffic:
(Number of visitors coming from top 20 search results)
  1
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $1.00

Revenue report

Google.com would generate approximately $0.2 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $6.6 and annual gross revenue of approximately $80.3. Based on these figures, the site's net worth is estimated at around $209.9.

How much would giornaledellabirra.it make?

Daily Revenue:
$0.22
Monthly Revenue:
$6.60
Yearly Revenue:
$80.30
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
Italy 870$0.21
 
Spain 30$0.01

Loss of money due to Adblock?

Daily Revenue Loss:
$0.04
Monthly Revenue Loss:
$1.15
Yearly Revenue Loss:
$13.96
Daily Pageviews Blocked:
154
Monthly Pageviews Blocked:
4,608
Yearly Pageviews Blocked:
56,065

Daily revenue loss by country

 
CountryBlockedLost Money
 
Italy 148$0.04
 
Spain 6$0.00

How much is giornaledellabirra.it worth?

Website Value:
$209.9

Ad Experience Report

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
giornaledellabirra.it
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
giornaledellabirra.it
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report

Summary of the abusive experience rating of a website.
Root domain:
giornaledellabirra.it
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is giornaledellabirra.it hosted?

Giornaledellabirra.it may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
89.46.108.63
ASN:
AS31034 
ISP:
Aruba S.p.A. 
Server Location:
Arezzo
Province of Arezzo, AR
52100
Italy, IT
 

Other sites hosted on 89.46.108.63

How fast does giornaledellabirra.it load?

The average loading time of giornaledellabirra.it is 2908 ms. The Desktop speed index is 67 and mobile speed index is 46.
Average Load Time:
2908 ms

Page Speed (Google PageSpeed Insights) - Desktop

67
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a SLOW speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)31ms 28% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 28% 32% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 32% 39% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 39%
Time To First Byte (TTFB)3.3s 3% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 3% 3% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 3% 93% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 93%
First Contentful Paint (FCP)4.2s 8% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 8% 29% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 29% 61% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 61%
First Input Delay (FID)2ms 98% of loads for this page have a fast (<100ms) First Input Delay (FID) 98% 0% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)0 0% of loads for this page have a fast (<0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>0ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)4.6s 19% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 19% 45% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 45% 35% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 35%

Origin Data

All pages served from this origin have an SLOW speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)31ms 28% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 28% 32% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 32% 39% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 39%
Time To First Byte (TTFB)3.3s 3% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 3% 3% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 3% 93% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 93%
First Contentful Paint (FCP)4.2s 8% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 8% 29% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 29% 61% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 61%
First Input Delay (FID)2ms 98% of loads for this page have a fast (<100ms) First Input Delay (FID) 98% 0% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)0 0% of loads for this page have a fast (<0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>0ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)4.6s 19% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 19% 45% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 45% 35% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 35%

Lab Data

Avoids `unload` event listeners  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
Timing budget  
Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Learn more
First Contentful Paint 1.2 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn more
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more
Largest Contentful Paint 2.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
Max Potential First Input Delay 20 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
Has a `<meta name="viewport">` tag with `width` or `initial-scale`  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more
Time to Interactive 1.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
Speed Index 4.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more
First Meaningful Paint 1.2 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more

Page Speed (Google PageSpeed Insights) - Mobile

46
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a SLOW speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)5ms 28% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 80% 12% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 12% 7% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 7%
Time To First Byte (TTFB)3.6s 3% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 6% 0% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 0% 93% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 93%
First Contentful Paint (FCP)4.5s 8% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 11% 14% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 14% 73% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 73%
First Input Delay (FID)15ms 96% of loads for this page have a fast (<100ms) First Input Delay (FID) 96% 3% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 3% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)0 0% of loads for this page have a fast (<0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have an average (0s ~ 0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)5.0s 19% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 13% 35% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 35% 51% of loads for this page have a slow (>4000s) Largest Contentful Paint (LCP) 51%

Origin Data

All pages served from this origin have an SLOW speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)5ms 80% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 80% 12% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 12% 7% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 7%
Time To First Byte (TTFB)3.6s 6% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 6% 0% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 0% 93% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 93%
First Contentful Paint (FCP)4.5s 11% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 11% 14% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 14% 73% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 73%
First Input Delay (FID)15ms 98% of loads for this page have a fast (<100ms) First Input Delay (FID) 96% 3% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 3% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)0 0% of loads for this page have a fast (<0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have an average (0s ~ 0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)5.0s 13% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 13% 35% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 35% 51% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 51%

Lab Data

First Contentful Paint (3G) 11644 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more
Avoids `unload` event listeners  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
First Contentful Paint 5.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more
Largest Contentful Paint 13.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn more
Time to Interactive 7.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
Timing budget  
Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Learn more
Has a `<meta name="viewport">` tag with `width` or `initial-scale`  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more
First Meaningful Paint 5.6 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more
Speed Index 16.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more

Does giornaledellabirra.it use compression?

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on giornaledellabirra.it are reduced by 76%.
giornaledellabirra.it use gzip compression.
Original size: 95.95 KB
Compressed size: 22.14 KB
File reduced by: 73.81 KB (76%)

Google Safe Browsing

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.
Status:
  SAFE

SSL Checker - SSL Certificate Verify

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. giornaledellabirra.it supports HTTPS.
 giornaledellabirra.it supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: *.giornaledellabirra.it
Organization:
Location:
Issuer: Actalis Domain Validation Server CA G3
Valid from: Sep 11 06:55:45 2024 GMT
Valid until: Oct 12 06:55:44 2025 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: Actalis Domain Validation Server CA G3
Organization: Actalis S.p.A.
Location: Ponte San Pietro, Bergamo, IT
Issuer: Actalis Authentication Root CA
Valid from: Jul 6 06:36:50 2020 GMT
Valid until: Sep 22 11:22:02 2030 GMT
Authority: CA:TRUE
Keysize: 4096 Bits

Verify HTTP/2 Support

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 giornaledellabirra.it supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.
server: aruba-proxy
date: Mon, 14 Oct 2024 08:56:18 GMT
content-type: text/html
location: https://www.giornaledellabirra.it/
x-servername: webx.aruba.it
alt-svc: h3=":443"; ma=86400

HTTP/2 200 
server: aruba-proxy
date: Mon, 14 Oct 2024 08:56:19 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
x-pingback: https://www.giornaledellabirra.it/xmlrpc.php
link: <https://www.giornaledellabirra.it/wp-json/>; rel="https://api.w.org/", <https://www.giornaledellabirra.it/wp-json/wp/v2/pages/5>; rel="alternate"; title="JSON"; type="application/json", <https://www.giornaledellabirra.it/>; rel=shortlink
x-servername: webx.aruba.it
alt-svc: h3=":443"; ma=86400
content-encoding: gzip

DNS Lookup

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
SOA 3600
Mname dns.technorail.com
Rname hostmaster.giornaledellabirra.it
Serial Number 2024050301
Refresh 86400
Retry 7200
Expire 2592000
Minimum TTL 3600
MX mx.giornaledellabirra.it 3600
TXT v=spf1 include:_spf.aruba.it ~all 3600
TXT brevo-code:8238436a88440638cc996c63c31b3e55 3600
A 89.46.108.63 3505
NS dns.technorail.com 3504
NS dns2.technorail.com 3504
NS dns3.arubadns.net 3504
NS dns4.arubadns.cz 3504

Whois Lookup

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on September 3, 2014 and will expire on September 3, 2025 if not renewed. This website is now assigned through the registrar Aruba s.p.a.. The WHOIS data for this website's domain was last updated on September 19, 2024.
Domain Created:
2014-09-03
Domain Expires:
2025-09-03
Domain Updated:
2024-09-19
Domain Age:
10 years 5 months 29 days
Domain Registrar:
Aruba s.p.a.
Domain Owner:
hidden
WhoIs:
 

*********************************************************************
* Please note that the following result could be a subgroup of      *
* the data contained in the database.                               *
*                                                                   *
* Additional information can be visualized at:                      *
* http://web-whois.nic.it                                           *
*********************************************************************

Domain:             giornaledellabirra.it
Status:             ok
Signed:             no
Created:            2014-09-03 15:25:06
Last Update:        2024-09-19 00:48:54
Expire Date:        2025-09-03

Registrant
  Organization:     hidden

Admin Contact
  Name:             hidden
  Organization:     hidden

Technical Contacts
  Name:             hidden
  Organization:     hidden

Registrar
  Organization:     Aruba s.p.a.
  Name:             ARUBA-REG
  Web:              http://www.aruba.it
  DNSSEC:           yes


Nameservers
  dns.technorail.com
  dns2.technorail.com
  dns3.arubadns.net
  dns4.arubadns.cz