nih.gov Nih.gov - Irep.nci.nih.gov

   
Radiation Risk Analysis Tools

Domain Summary

What IP addresses does Irep.nci.nih.gov resolve to?

• Irep.nci.nih.gov resolves to the IP addresses 131.226.202.20.

Where are Irep.nci.nih.gov servers located in?

• Irep.nci.nih.gov has servers located in United States.

irep.nci.nih.gov Profile

Title:Radiation Risk Analysis Tools Description:NCI Radiation Risk Analysis Tools
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What technologies does irep.nci.nih.gov use?

These are the technologies used at irep.nci.nih.gov. irep.nci.nih.gov has a total of 2 technologies installed in 2 different categories.
Web Servers
Apache HTTP Server Apache HTTP Server
Security
HSTS HSTS

irep.nci.nih.gov Traffic Analysis

There's no enough data about irep.nci.nih.gov 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:
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Avg. visit duration:
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Global Reach:
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HypeRank:
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*All traffic values are estimates only.
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Domain:
  irep.nci.nih.gov
Rank:
(Rank based on keywords, cost and organic traffic)
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Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
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Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
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Ad Experience Report ▼

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

Mobile summary

Root domain:
nih.gov
Ad filtering:
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Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
nih.gov
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
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Not reviewed

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.
Root domain:
nih.gov
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 irep.nci.nih.gov hosted? ▼

Irep.nci.nih.gov may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
131.226.202.20
ASN:
AS12213 
ISP:
Lanxess Corporation 
Server Location:

United States, US
 

Other sites hosted on 131.226.202.20

How fast does irep.nci.nih.gov load? ▼

The average loading time of irep.nci.nih.gov is 559 ms.
Average Load Time:
559 ms

Does irep.nci.nih.gov 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 irep.nci.nih.gov are reduced by %.
irep.nci.nih.gov does not use compression.
Original size: 4.17 KB
Compressed size: n/a
File reduced by: (%)

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. irep.nci.nih.gov supports HTTPS.
 irep.nci.nih.gov supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: radiationcalculators.cancer.gov
Organization:
Location:
Issuer: E7
Valid from: Nov 26 16:13:50 2025 GMT
Valid until: Feb 24 16:13:49 2026 GMT
Authority: CA:FALSE
Keysize:
Common Name: E7
Organization: Let's Encrypt
Location: US
Issuer: ISRG Root X1
Valid from: Mar 13 00:00:00 2024 GMT
Valid until: Mar 12 23:59:59 2027 GMT
Authority: CA:TRUE
Keysize:

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.
 irep.nci.nih.gov 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. 
date: Sat, 03 Jan 2026 05:18:23 GMT
server: Apache
x-frame-options: SAMEORIGIN
location: https://radiationcalculators.cancer.gov/
content-length: 224
content-type: text/html; charset=iso-8859-1
strict-transport-security: max-age=31536000;preload
set-cookie: TKTID=web-dmzst-05; path=/; HttpOnly; Secure

HTTP/2 200 
date: Sat, 03 Jan 2026 05:18:23 GMT
server: Apache
x-frame-options: SAMEORIGIN
last-modified: Wed, 30 Apr 2025 14:15:34 GMT
etag: "10aa-633ff8ce8ad80"
accept-ranges: bytes
content-length: 4266
content-type: text/html; charset=UTF-8
strict-transport-security: max-age=31536000;preload
set-cookie: TKTID=web-dmzst-04; path=/; HttpOnly; Secure
cache-control: private

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
CNAME sequoia.nci.nih.gov 28799