root-servers.org Root-servers.org - F.root-servers.org

   
F-Root - ISC

Domain Summary

What IP addresses does F.root-servers.org resolve to?

• F.root-servers.org resolves to the IP addresses 151.101.2.217.

Where are F.root-servers.org servers located in?

• F.root-servers.org has servers located in San Francisco, California, 94107, United States.

f.root-servers.org Profile

Title: F-Root - ISC Description:One of the 13 root name servers

What technologies does f.root-servers.org use?

These are the technologies used at f.root-servers.org. f.root-servers.org has a total of 15 technologies installed in 10 different categories.

f.root-servers.org Traffic Analysis

There's no enough data about f.root-servers.org traffic.
Daily Visitors n/a
Monthly Visits n/a
Pages per Visit n/a
Visit duration n/a
Bounce Rate n/a
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Daily Unique Visitors:
 n/a
Monthly Visits:
n/a
Pages per Visit:
n/a
Daily Pageviews:
n/a
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
 n/a
HypeRank:
n/a
*All traffic values are estimates only.
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*HypeStat.com is not promoting or affiliated with root-servers.org in any way. Only publicly available statistics data are displayed.

 

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:
  f.root-servers.org
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00

Ad Experience Report

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

Mobile summary

Root domain:
root-servers.org
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:
root-servers.org
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:
root-servers.org
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 f.root-servers.org hosted?

F.root-servers.org may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
151.101.2.217
ASN:
AS54113 
ISP:
Fastly 
Server Location:
San Francisco
California, CA
94107
United States, US
 

Other sites hosted on 151.101.2.217

How fast does f.root-servers.org load?

The average loading time of f.root-servers.org is 209 ms.
Average Load Time:
209 ms

Does f.root-servers.org 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 f.root-servers.org are reduced by 71%.
f.root-servers.org use gzip compression.
Original size: 20.6 KB
Compressed size: 5.82 KB
File reduced by: 14.77 KB (71%)

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

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. f.root-servers.org supports HTTPS.
 f.root-servers.org supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: *.isc.org
Organization:
Location:
Issuer: GlobalSign Atlas R3 DV TLS CA 2025 Q4
Valid from: Nov 6 07:16:30 2025 GMT
Valid until: Dec 8 07:16:29 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: GlobalSign Atlas R3 DV TLS CA 2025 Q4
Organization: GlobalSign nv-sa
Location: BE
Issuer: GlobalSign
Valid from: Jul 16 03:06:35 2025 GMT
Valid until: Jul 16 00:00:00 2027 GMT
Authority: CA:TRUE
Keysize: 2048 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.
 f.root-servers.org 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: Varnish
retry-after: 0
location: https://www.isc.org/f-root/
accept-ranges: bytes
date: Sat, 03 Jan 2026 00:26:22 GMT
via: 1.1 varnish
x-served-by: cache-fra-etou8220196-FRA
x-cache: HIT
x-cache-hits: 0
x-timer: S1767399983.717137,VS0,VE0
x-clacks-overhead: GNU Fred Baker
strict-transport-security: max-age=31557600
content-length: 0

HTTP/2 200 
server: Apache
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
referrer-policy: strict-origin-when-cross-origin
permissions-policy: camera=(), geolocation=(), microphone=()
content-security-policy: connect-src apihub.document360.io www.google-analytics.com www.google.com 'self' api.document360.io infragrid.v.network region1.google-analytics.com translate.googleapis.com www.googleadservices.com; font-src cdn.document360.io cdn.jsdelivr.net fonts.gstatic.com data: use.typekit.net 'self'; form-action 'self' webto.salesforce.com formspree.io; frame-src td.doubleclick.net www.googletagmanager.com cdn.knightlab.com www.google.com; img-src 'self' data: www.google.ca www.google.co.in www.google.co.uk www.google.com www.google.com.br www.google.com.ua www.google.kz www.google.tg www.googletagmanager.com www.isc.org blob: cdn.document360.io gitlab.isc.org www.google.bf www.google.cd www.google.ch www.google.cl www.google.co.id www.google.co.il www.google.co.jp www.google.co.ma www.google.co.nz www.google.com.ar www.google.com.au www.google.com.bo www.google.com.co www.google.com.do www.google.com.ec www.google.com.gt www.google.com.hk www.google.com.mx www.google.com.ni www.google.com.pr www.google.com.tr www.google.com.tw www.google.com.vn www.google.ru www.google.sc yastatic.net downloads.isc.org fonts.gstatic.com translate.google.com www.google.az www.google.co.kr www.google.co.th www.google.co.ve www.google.co.za www.google.com.bd www.google.com.eg www.google.com.mm www.google.com.my www.google.com.sa www.google.com.sg www.google.com.pk www.google.rs www.google.ae www.google.co.zm www.google.com.et www.google.co.ke www.google.com.cu www.google.al www.google.jo www.google.ps www.google.com.kh www.google.com.jm www.google.co.uz www.google.com.ph; script-src-attr 'unsafe-inline'; script-src-elem 'self' 'unsafe-inline' ajax.googleapis.com cdn.document360.io cdn.jsdelivr.net cdnjs.cloudflare.com googleads.g.doubleclick.net www.googletagmanager.com connect.facebook.net www.google.com www.gstatic.com translate.google.com blob:; script-src 'self' 'unsafe-inline' ajax.googleapis.com cdn.jsdelivr.net cdnjs.cloudflare.com www.googletagmanager.com 'unsafe-eval' 'wasm-eval' cdn.document360.io googleads.g.doubleclick.net; style-src-attr 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline' cdn.jsdelivr.net cdn.document360.io fonts.googleapis.com www.gstatic.com; style-src 'self' cdn.jsdelivr.net 'unsafe-inline'; default-src 'self' 'unsafe-inline' ajax.googleapis.com apihub.document360.io cdn.document360.io cdn.jsdelivr.net cdnjs.cloudflare.com data: googleads.g.doubleclick.net www.google-analytics.com www.google.com www.googletagmanager.com www.google.lk www.google.co.in www.google.com.pk www.gstatic.com region1.google-analytics.com 'self'; media-src data:; worker-src blob:; child-src www.googletagmanager.com; frame-ancestors 'self'; report-uri https://iscdotorgopsteam.report-uri.com/r/t/csp/enforce; report-to https://iscdotorgopsteam.report-uri.com/r/t/csp/enforce
report-to: {"group":"default","max_age":31536000,"endpoints":[{"url":"https://iscdotorgopsteam.report-uri.com/a/t/g"}],"include_subdomains":true}
last-modified: Tue, 30 Dec 2025 21:55:34 GMT
etag: "5263-647326b46c180-gzip"
content-encoding: gzip
content-type: text/html
accept-ranges: bytes
age: 0
date: Sat, 03 Jan 2026 00:26:22 GMT
via: 1.1 varnish
x-served-by: cache-fra-etou8220150-FRA
x-cache: MISS
x-cache-hits: 0
x-timer: S1767399983.743600,VS0,VE154
vary: Accept-Encoding
x-clacks-overhead: GNU Fred Baker
strict-transport-security: max-age=31557600
content-length: 5962

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 ns-int.isc.org
Rname hostmaster.f.root-servers.org
Serial Number 2025122088
Refresh 43200
Retry 3600
Expire 604800
Minimum TTL 3600