www.nih.gov
172.65.90.25  Public Scan Open in urlscan Pro

Internal
urlscan.io (IP) urlscan.io (Domain)
Effective Hostname
VirusTotal SecurityTrails crt.sh
Submitted URL
Google Safe Browsing Archive.org
Effective URL Pivot
Google Safe Browsing Archive.org
Effective IP
VirusTotal SecurityTrails Domaintools Censys
Go To Rescan
Add Verdict Report
Submitted URL:
http://nih.gov/ 11yr old
Effective URL:
https://www.nih.gov/ 11yr old
Submission Tags: tranco_l76g4
Submission: On June 20 via api (June 20th 2026, 12:29:51 am UTC) from DE — Scanned from DE
Summary HTTP 19 Redirects Links 2  Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 2 countries across 2 domains to perform 19 HTTP transactions. The main IP is 172.65.90.25, located in Ascension Island and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is www.nih.gov. The Cisco Umbrella rank of the primary domain is 435922. 11yr old
TLS certificate: Issued by E8 on May 27th 2026. Valid for: 3mo.
This is the only time www.nih.gov was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 2 156.40.212.210 156.40.212.210 3527 (NIH-NET) (NIH-NET - National Institutes of Health)
11 172.65.90.25 172.65.90.25 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
2 104.18.94.41 104.18.94.41 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
2 104.18.95.41 104.18.95.41 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
19 4
Apex Domain
Subdomains		 Transfer
13 nih.gov 2 redirects
nih.gov — Cisco Umbrella Rank: 12662 11yr old
www.nih.gov — Cisco Umbrella Rank: 435922 11yr old
219 KB
4 cloudflare.com
challenges.cloudflare.com — Cisco Umbrella Rank: 1188 5yr old
21 KB
19 2
Domain Requested by
11 www.nih.gov www.nih.gov
4 challenges.cloudflare.com www.nih.gov
challenges.cloudflare.com
2 nih.gov 2 redirects
19 3

This site contains links to these domains. Also see Links.

Domain
www.cloudflare.com
Subject Issuer Validity Valid
nih.gov
E8		 2026-05-27 -
2026-08-25		 3mo crt.sh
challenges.cloudflare.com
WE1		 2026-06-16 -
2026-09-14		 3mo crt.sh

This page contains 3 frames:

Primary Page: https://www.nih.gov/
Frame ID: 0B2278AC1A85B8EA3A9CF685908DD490
Requests: 17 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/ej9nr/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto
Frame ID: 7709CE513CFCF56A21C6712EBC55CDEA
Requests: 1 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/h1qgd/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto
Frame ID: 4EAD87A160163CD224D604C2C2C377EA
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Nur einen Moment…

Page URL History Show full URLs

  1. http://nih.gov/ HTTP 307
    https://nih.gov/ HTTP 301
    https://www.nih.gov/ HTTP 307
    https://nih.gov/ HTTP 301
    https://www.nih.gov/ Page URL
  2. https://www.nih.gov/ Page URL

Detected technologies

(Security)
Overall confidence: 100%
Detected patterns

Page Statistics

19
Requests

79 %
HTTPS

0 %
IPv6

2
Domains

3
Subdomains

4
IPs

2
Countries

240 kB
Transfer

636 kB
Size

4
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://nih.gov/ HTTP 307
    https://nih.gov/ HTTP 301
    https://www.nih.gov/ HTTP 307
    https://nih.gov/ HTTP 301
    https://www.nih.gov/ Page URL
  2. https://www.nih.gov/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • http://nih.gov/ HTTP 307
  • https://nih.gov/ HTTP 301
  • https://www.nih.gov/ HTTP 307
  • https://nih.gov/ HTTP 301
  • https://www.nih.gov/

19 HTTP transactions
0 data transactions

Method
Protocol		 Status Resource
Path		 Size
x-fer		 Time
Latency		 Type
MIME-Type		 IP
Location
GET
H2 		403
 / Show response
www.nih.gov/
Redirect Chain
  • http://nih.gov/
  • https://nih.gov/
  • https://www.nih.gov/
  • https://nih.gov/
  • https://www.nih.gov/
6 KB
4 KB 		140ms
140ms 		Document
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
e4526cc95b4c3e8be20576950d0059961c862612a9881a3c19169113cf8c114a
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-iXRBWBm14T19HImYmOkJnP' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cf-mitigated
challenge
cf-ray
a0e6a964cf3e819a-IAD
content-encoding
gzip
content-security-policy
default-src 'none'; script-src 'nonce-iXRBWBm14T19HImYmOkJnP' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin
date
Sat, 20 Jun 2026 00:29:52 GMT
expect-ct
max-age=86400, enforce
origin-agent-cluster
?1
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
referrer-policy
same-origin
server
cloudflare
server-timing
chlray;desc="a0e6a964cf3e819a"
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
accept-encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

Content-Length
0
Location
https://www.nih.gov/
Server
BigIP
GET
H2 		200
 v1 Show response
www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/ 		218 KB
82 KB 		122ms
122ms 		Script
application/javascript		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a964cf3e819a
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3924e97ffb87b083d3e3f1772bfb97ab0ab5a54dc766b523df9f6f5b423cf527

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/?__cf_chl_rt_tk=R0JJBfycqQ5_3m_uK2nkPyvfp_bmROiv_BeOsBTne.I-1781915392-1.0.1.1-RlozjgkC2837e4jGXi21549bG3yIvvW3oiWcvVsexSM
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
sec-ch-ua-model
""
sec-ch-ua-mobile
?0
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua-platform-version
""

Response headers

cf-ray
a0e6a9659fdd819a-IAD
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
alt-svc
h3=":443"; ma=86400
content-encoding
gzip
date
Sat, 20 Jun 2026 00:29:52 GMT
content-type
application/javascript; charset=UTF-8
server
cloudflare
GET

a6cc2a97-a019-4865-941a-45dcbac33334
https://www.nih.gov/ 		0
0

GET
H3 		200
 api.js Show response
challenges.cloudflare.com/turnstile/v0/g/f95a7f38c08f/ 		66 KB
21 KB 		24ms
14ms 		Script
application/javascript		 104.18.94.41
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://challenges.cloudflare.com/turnstile/v0/g/f95a7f38c08f/api.js?onload=NsqWi3&render=explicit
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a964cf3e819a
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.94.41 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3077f1c51c88dfe3f4b82033f10c288a2f5d6f5a0eca362a79bdf32fa4298d31

Request headers

Origin
https://www.nih.gov
sec-ch-ua-platform
"Linux"
Referer
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
max-age=31536000, stale-if-error=10800, stale-while-revalidate=31536000, public
timing-allow-origin
https://www.nih.gov
content-encoding
br
cross-origin-resource-policy
cross-origin
cf-ray
a0e6a966dcf1e010-FRA
access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Sat, 20 Jun 2026 00:29:53 GMT
content-type
application/javascript; charset=UTF-8
last-modified
Thu, 18 Jun 2026 14:04:29 GMT
server
cloudflare
priority
u=3,i=?0
GET
H2 		403
 favicon.ico
www.nih.gov/ 		6 KB
6 KB 		102ms
102ms 		Image
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
https://www.nih.gov/favicon.ico
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
bcb5809c51b461a2506b742305e4316a8a67a194a72462b2b3154848e6afe952
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-dZ9l8jmISDhf87yTi5dHGA' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
sec-ch-ua-model
""
sec-ch-ua-mobile
?0
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua-platform-version
""

Response headers

content-encoding
gzip
expect-ct
max-age=86400, enforce
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
x-content-type-options
nosniff
server-timing
chlray;desc="a0e6a96728cd819a"
alt-svc
h3=":443"; ma=86400
date
Sat, 20 Jun 2026 00:29:53 GMT
content-type
text/html; charset=UTF-8
vary
accept-encoding
x-frame-options
SAMEORIGIN
cf-mitigated
challenge
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-security-policy
default-src 'none'; script-src 'nonce-dZ9l8jmISDhf87yTi5dHGA' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
cross-origin-opener-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
referrer-policy
same-origin
cf-ray
a0e6a96728cd819a-IAD
cross-origin-embedder-policy
require-corp
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
x-xss-protection
1; mode=block
origin-agent-cluster
?1
server
cloudflare
POST
H2 		200
 7lQ7qBHJ_sIzJl1GIgs6KEenwT6Oe7JCMPN9rf8GRds-1781915392-1.2.1.1-qwOzuwwcqD8NNLOy6TnfuN4NDxwCXbK1z_qivgvcGk4IOtTVgM0buJbsYd8Rbz58 Show response
www.nih.gov/cdn-cgi/challenge-platform/h/g/flow/ov1/1337224512:1781913625:aQJvSHq1SpaajYQInfjPgJ1D8L_Uiz8qb4eslFF9Y0M/a0e6a964cf3e819a/ 		18 KB
14 KB 		115ms
114ms 		XHR
text/plain		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/cdn-cgi/challenge-platform/h/g/flow/ov1/1337224512:1781913625:aQJvSHq1SpaajYQInfjPgJ1D8L_Uiz8qb4eslFF9Y0M/a0e6a964cf3e819a/7lQ7qBHJ_sIzJl1GIgs6KEenwT6Oe7JCMPN9rf8GRds-1781915392-1.2.1.1-qwOzuwwcqD8NNLOy6TnfuN4NDxwCXbK1z_qivgvcGk4IOtTVgM0buJbsYd8Rbz58
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a964cf3e819a
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
ea2a8aae718a10b8db52caa8b2547dafc3e06790d2cfa222fe96edc8f84caed7

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
cf-chl-ra
0
sec-ch-ua-mobile
?0
sec-ch-ua-model
""
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
cf-chl
7lQ7qBHJ_sIzJl1GIgs6KEenwT6Oe7JCMPN9rf8GRds-1781915392-1.2.1.1-qwOzuwwcqD8NNLOy6TnfuN4NDxwCXbK1z_qivgvcGk4IOtTVgM0buJbsYd8Rbz58
sec-ch-ua-platform-version
""

Response headers

timing-allow-origin
https://www.nih.gov
content-encoding
gzip
cf-ray
a0e6a967d93f819a-IAD
alt-svc
h3=":443"; ma=86400
date
Sat, 20 Jun 2026 00:29:53 GMT
content-type
text/plain; charset=UTF-8
cf-chl-gen
bTYPCp1srMvq5mxEEF2Kqj7yixQVHfW5xUHaE26ywLw=$UAlMGV1aPSuxPtQ42gCWkg==
server
cloudflare
GET
H2 		403
 favicon.ico
www.nih.gov/ 		6 KB
4 KB 		102ms
102ms 		Other
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
6bdca3b164395d66eaf358f3531c59545fcc248294e75ece9cd20163ab7d48f6
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-RmYhUIdbNbUQCx9b68VxnP' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
sec-ch-ua-model
""
sec-ch-ua-mobile
?0
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua-platform-version
""

Response headers

content-encoding
gzip
expect-ct
max-age=86400, enforce
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
x-content-type-options
nosniff
server-timing
chlray;desc="a0e6a967d942819a"
alt-svc
h3=":443"; ma=86400
date
Sat, 20 Jun 2026 00:29:53 GMT
content-type
text/html; charset=UTF-8
vary
accept-encoding
x-frame-options
SAMEORIGIN
cf-mitigated
challenge
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-security-policy
default-src 'none'; script-src 'nonce-RmYhUIdbNbUQCx9b68VxnP' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
cross-origin-opener-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
referrer-policy
same-origin
cf-ray
a0e6a967d942819a-IAD
cross-origin-embedder-policy
require-corp
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
x-xss-protection
1; mode=block
origin-agent-cluster
?1
server
cloudflare
GET

b227467f-00a9-41c7-b760-5b250a12b526
https://www.nih.gov/ 		0
0

GET
H3 		200
 normal
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/ej9nr/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/ Frame 7709 		0
0 		27ms
20ms 		Document
text/html		 104.18.95.41
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/ej9nr/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/g/f95a7f38c08f/api.js?onload=NsqWi3&render=explicit
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.95.41 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-Y24PCl5C9C3MO8eczUcFB9' 'unsafe-eval'; script-src-attr 'none'; worker-src blob:; style-src 'unsafe-inline'; img-src 'self'; connect-src 'self'; frame-src 'self' blob:; child-src 'self' blob:; form-action 'none'; base-uri 'self'; trusted-types xqUQ2 default; require-trusted-types-for 'script'; sandbox allow-same-origin allow-scripts allow-popups allow-forms

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
a0e6a9687c02d271-FRA
content-encoding
br
content-security-policy
default-src 'none'; script-src 'nonce-Y24PCl5C9C3MO8eczUcFB9' 'unsafe-eval'; script-src-attr 'none'; worker-src blob:; style-src 'unsafe-inline'; img-src 'self'; connect-src 'self'; frame-src 'self' blob:; child-src 'self' blob:; form-action 'none'; base-uri 'self'; trusted-types xqUQ2 default; require-trusted-types-for 'script'; sandbox allow-same-origin allow-scripts allow-popups allow-forms
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
cross-origin
date
Sat, 20 Jun 2026 00:29:53 GMT
document-policy
js-profiling
origin-agent-cluster
?1
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
priority
u=0,i
referrer-policy
same-origin
server
cloudflare
server-timing
nhtgnsra;dur=255225 cfExtPri
POST
H2 		200
 7lQ7qBHJ_sIzJl1GIgs6KEenwT6Oe7JCMPN9rf8GRds-1781915392-1.2.1.1-qwOzuwwcqD8NNLOy6TnfuN4NDxwCXbK1z_qivgvcGk4IOtTVgM0buJbsYd8Rbz58 Show response
www.nih.gov/cdn-cgi/challenge-platform/h/g/flow/ov1/1337224512:1781913625:aQJvSHq1SpaajYQInfjPgJ1D8L_Uiz8qb4eslFF9Y0M/a0e6a964cf3e819a/ 		3 KB
4 KB 		109ms
106ms 		XHR
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/cdn-cgi/challenge-platform/h/g/flow/ov1/1337224512:1781913625:aQJvSHq1SpaajYQInfjPgJ1D8L_Uiz8qb4eslFF9Y0M/a0e6a964cf3e819a/7lQ7qBHJ_sIzJl1GIgs6KEenwT6Oe7JCMPN9rf8GRds-1781915392-1.2.1.1-qwOzuwwcqD8NNLOy6TnfuN4NDxwCXbK1z_qivgvcGk4IOtTVgM0buJbsYd8Rbz58
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a964cf3e819a
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
80cb8265b05ca5131edca55b06a354c2fea6be715703075b83ab8ff24b197d8f

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
cf-chl-ra
0
sec-ch-ua-mobile
?0
sec-ch-ua-model
""
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
cf-chl
7lQ7qBHJ_sIzJl1GIgs6KEenwT6Oe7JCMPN9rf8GRds-1781915392-1.2.1.1-qwOzuwwcqD8NNLOy6TnfuN4NDxwCXbK1z_qivgvcGk4IOtTVgM0buJbsYd8Rbz58
sec-ch-ua-platform-version
""

Response headers

cf-chl-out
/o+X1WF9Rx0f81BMDu7TGioQGhIoKMSknRlPAukGZggvzJGw14kxjxYCf8hmP+2dqedoN0FKxEZCQMxakVue5zjfhcd0A1SpepThnWMl//I=$Ix+HwfpWgJQcyHshA8dqcQ==
timing-allow-origin
https://www.nih.gov
content-encoding
gzip
cf-ray
a0e6a982eb98819a-IAD
alt-svc
h3=":443"; ma=86400
cf-chl-out-s
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$iJvfjT+WbFaIzOnMr/GfQQ==
date
Sat, 20 Jun 2026 00:29:57 GMT
content-type
text/html; charset=UTF-8
server
cloudflare
GET
H2 		403
 Primary Request / Show response
www.nih.gov/ 		6 KB
5 KB 		102ms
102ms 		Document
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a964cf3e819a
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
515258aaa5faf03091e586c079821bfed77c553096c9bd68fed0132e572c6bea
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-82N109KKdV2Ojlwh3fG7ju' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.nih.gov/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-arch
"x86"
sec-ch-ua-bitness
"64"
sec-ch-ua-full-version
"149.0.7827.155"
sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-mobile
?0
sec-ch-ua-model
""
sec-ch-ua-platform
"Linux"
sec-ch-ua-platform-version
""

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cf-mitigated
challenge
cf-ray
a0e6a9904ca8819a-IAD
content-encoding
gzip
content-security-policy
default-src 'none'; script-src 'nonce-82N109KKdV2Ojlwh3fG7ju' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin
date
Sat, 20 Jun 2026 00:29:59 GMT
expect-ct
max-age=86400, enforce
origin-agent-cluster
?1
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
referrer-policy
same-origin
server
cloudflare
server-timing
chlray;desc="a0e6a9904ca8819a"
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
accept-encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block
GET
H2 		200
 v1 Show response
www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/ 		212 KB
76 KB 		123ms
123ms 		Script
application/javascript		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a9904ca8819a
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
99e0f0db6f0a9fabefb8d504112e5f76db619317fc8c62a644fdca5d94bfadcc

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/?__cf_chl_rt_tk=Q2kfD3Y9FhnlzFwaBxyFWiLluXg_6ValYUjCnSQQG9g-1781915399-1.0.1.1-.dis3qts1brTKDl5U3MpTYbbf4te8wdWUr.OiGtWIyA
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
sec-ch-ua-model
""
sec-ch-ua-mobile
?0
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua-platform-version
""

Response headers

cf-ray
a0e6a9910d0c819a-IAD
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
alt-svc
h3=":443"; ma=86400
content-encoding
gzip
date
Sat, 20 Jun 2026 00:29:59 GMT
content-type
application/javascript; charset=UTF-8
server
cloudflare
GET

c08c14c0-58bc-4b8c-a4d3-e5e15e772db4
https://www.nih.gov/ 		0
0

GET
H3 		200
 api.js Show response
challenges.cloudflare.com/turnstile/v0/g/f95a7f38c08f/ 		66 KB
0 		0ms
0ms 		Script
application/javascript		 104.18.94.41
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://challenges.cloudflare.com/turnstile/v0/g/f95a7f38c08f/api.js?onload=NsqWi3&render=explicit
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a9904ca8819a
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.94.41 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3077f1c51c88dfe3f4b82033f10c288a2f5d6f5a0eca362a79bdf32fa4298d31

Request headers

Origin
https://www.nih.gov
sec-ch-ua-platform
"Linux"
Referer
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
max-age=31536000, stale-if-error=10800, stale-while-revalidate=31536000, public
timing-allow-origin
https://www.nih.gov
content-encoding
br
cross-origin-resource-policy
cross-origin
cf-ray
a0e6a966dcf1e010-FRA
access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Sat, 20 Jun 2026 00:29:53 GMT
content-type
application/javascript; charset=UTF-8
last-modified
Thu, 18 Jun 2026 14:04:29 GMT
server
cloudflare
priority
u=3,i=?0
GET
H2 		403
 favicon.ico
www.nih.gov/ 		6 KB
6 KB 		103ms
102ms 		Image
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
https://www.nih.gov/favicon.ico
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
5ce7aa91e943925ff5669307159290683fe43b87f3a947c93f6e305753eabdc2
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-RdlKM9hXIVehkJi82IM1d7' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
sec-ch-ua-model
""
sec-ch-ua-mobile
?0
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua-platform-version
""

Response headers

content-encoding
gzip
expect-ct
max-age=86400, enforce
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
x-content-type-options
nosniff
server-timing
chlray;desc="a0e6a9943f8a819a"
alt-svc
h3=":443"; ma=86400
date
Sat, 20 Jun 2026 00:30:00 GMT
content-type
text/html; charset=UTF-8
vary
accept-encoding
x-frame-options
SAMEORIGIN
cf-mitigated
challenge
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-security-policy
default-src 'none'; script-src 'nonce-RdlKM9hXIVehkJi82IM1d7' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
cross-origin-opener-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
referrer-policy
same-origin
cf-ray
a0e6a9943f8a819a-IAD
cross-origin-embedder-policy
require-corp
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
x-xss-protection
1; mode=block
origin-agent-cluster
?1
server
cloudflare
POST
H2 		200
 2EpRR9gSLfAQYsLNLaeS_SInLjNf_6mPeYtrINhD9Ug-1781915399-1.2.1.1-yj_.90xSmSuDgKePsRZX8ZywRfLr1YLzAT8tqAl7xRAQu_bMnKpMUxndJGKY23Sg Show response
www.nih.gov/cdn-cgi/challenge-platform/h/g/flow/ov1/1337224512:1781913625:aQJvSHq1SpaajYQInfjPgJ1D8L_Uiz8qb4eslFF9Y0M/a0e6a9904ca8819a/ 		18 KB
14 KB 		126ms
124ms 		XHR
text/plain		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/cdn-cgi/challenge-platform/h/g/flow/ov1/1337224512:1781913625:aQJvSHq1SpaajYQInfjPgJ1D8L_Uiz8qb4eslFF9Y0M/a0e6a9904ca8819a/2EpRR9gSLfAQYsLNLaeS_SInLjNf_6mPeYtrINhD9Ug-1781915399-1.2.1.1-yj_.90xSmSuDgKePsRZX8ZywRfLr1YLzAT8tqAl7xRAQu_bMnKpMUxndJGKY23Sg
Requested by
Host: www.nih.gov
URL: https://www.nih.gov/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a0e6a9904ca8819a
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
2af6ae063fb490204ed1c2f7f5b40a49336011426d74f068daf18fed56fef930

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
cf-chl-ra
0
sec-ch-ua-mobile
?0
sec-ch-ua-model
""
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
cf-chl
2EpRR9gSLfAQYsLNLaeS_SInLjNf_6mPeYtrINhD9Ug-1781915399-1.2.1.1-yj_.90xSmSuDgKePsRZX8ZywRfLr1YLzAT8tqAl7xRAQu_bMnKpMUxndJGKY23Sg
sec-ch-ua-platform-version
""

Response headers

timing-allow-origin
https://www.nih.gov
content-encoding
gzip
cf-ray
a0e6a994e80c819a-IAD
alt-svc
h3=":443"; ma=86400
date
Sat, 20 Jun 2026 00:30:00 GMT
content-type
text/plain; charset=UTF-8
cf-chl-gen
CRXAQpjUFd4y905JjSgW4HvhFWifsIY1NXLOqxFRTJY=$H1bYIoYHhvKJ27IKmCQeJA==
server
cloudflare
GET
H2 		403
 favicon.ico
www.nih.gov/ 		6 KB
4 KB 		103ms
103ms 		Other
text/html		 172.65.90.25
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.nih.gov/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.90.25 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
b06942451b19b33326c94a8433fac984784edb33b2675e0a565a2c725ad92b23
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-Cj1RiWcelDabLWhrKWtI45' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua-full-version-list
"Chromium";v="149.0.0.0", "Google Chrome";v="149.0.0.0", "Not-A.Brand";v="24.0.0.0"
sec-ch-ua-platform
"Linux"
Referer
https://www.nih.gov/
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-bitness
"64"
sec-ch-ua-model
""
sec-ch-ua-mobile
?0
sec-ch-ua-arch
"x86"
sec-ch-ua-full-version
"149.0.7827.155"
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua-platform-version
""

Response headers

content-encoding
gzip
expect-ct
max-age=86400, enforce
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
x-content-type-options
nosniff
server-timing
chlray;desc="a0e6a994e80f819a"
alt-svc
h3=":443"; ma=86400
date
Sat, 20 Jun 2026 00:30:00 GMT
content-type
text/html; charset=UTF-8
vary
accept-encoding
x-frame-options
SAMEORIGIN
cf-mitigated
challenge
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-security-policy
default-src 'none'; script-src 'nonce-Cj1RiWcelDabLWhrKWtI45' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
cross-origin-opener-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
referrer-policy
same-origin
cf-ray
a0e6a994e80f819a-IAD
cross-origin-embedder-policy
require-corp
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
x-xss-protection
1; mode=block
origin-agent-cluster
?1
server
cloudflare
GET

e1dd7559-c7a2-4a2f-a796-79157e6680d1
https://www.nih.gov/ 		0
0

GET
H3 		200
 normal
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/h1qgd/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/ Frame 4EAD 		0
0 		19ms
18ms 		Document
text/html		 104.18.95.41
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/h1qgd/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/g/f95a7f38c08f/api.js?onload=NsqWi3&render=explicit
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.95.41 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Content-Security-Policy default-src 'none'; script-src 'nonce-Y4LPxkz2ryiLKrg25nVCKF' 'unsafe-eval'; script-src-attr 'none'; worker-src blob:; style-src 'unsafe-inline'; img-src 'self'; connect-src 'self'; frame-src 'self' blob:; child-src 'self' blob:; form-action 'none'; base-uri 'self'; trusted-types xqUQ2 default; require-trusted-types-for 'script'; sandbox allow-same-origin allow-scripts allow-popups allow-forms

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
a0e6a99589d6d271-FRA
content-encoding
br
content-security-policy
default-src 'none'; script-src 'nonce-Y4LPxkz2ryiLKrg25nVCKF' 'unsafe-eval'; script-src-attr 'none'; worker-src blob:; style-src 'unsafe-inline'; img-src 'self'; connect-src 'self'; frame-src 'self' blob:; child-src 'self' blob:; form-action 'none'; base-uri 'self'; trusted-types xqUQ2 default; require-trusted-types-for 'script'; sandbox allow-same-origin allow-scripts allow-popups allow-forms
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
cross-origin
date
Sat, 20 Jun 2026 00:30:00 GMT
document-policy
js-profiling
origin-agent-cluster
?1
permissions-policy
accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
priority
u=0,i
referrer-policy
same-origin
server
cloudflare
server-timing
vhhqccdy;dur=255225 cfExtPri

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
www.nih.gov
URL
blob:https://www.nih.gov/a6cc2a97-a019-4865-941a-45dcbac33334
Domain
www.nih.gov
URL
blob:https://www.nih.gov/b227467f-00a9-41c7-b760-5b250a12b526
Domain
www.nih.gov
URL
blob:https://www.nih.gov/c08c14c0-58bc-4b8c-a4d3-e5e15e772db4
Domain
www.nih.gov
URL
blob:https://www.nih.gov/e1dd7559-c7a2-4a2f-a796-79157e6680d1

Verdicts & Comments Add Verdict or Comment

37 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

object| _cf_chl_opt function| EPXc5 function| GbxbJ0 function| dSNV1 function| wEAjW6 object| TRLMT5 number| nXDFQ4 function| wQMK0 function| ZWUuP0 function| BCcz2 function| WBsy9 function| onnt2 function| iEpZ1 function| BsebL3 object| fvWvJ3 object| LMguz3 function| runProgram function| LtnI1 function| ygBae8 function| NscVu2 function| NsqWi3 function| BqHd2 object| IaGhA0 function| MdRO8 function| VABaV2 object| SEABF6 object| LTTOd2 number| EHMWU0 object| angular object| oDOi3 string| PvoYz9 object| DwCk5 object| turnstile boolean| JmAh0 boolean| DEky1 string| qFDYW0 boolean| CYJoq7

4 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path Expires Name / Value
.cloudflare.com/ 1970-01-21
23:44:11 		Name: cf_clearance
Value: i5kH8.qaPk6XpyMNXNns535WIaG1M.1fDkrA4kdZrX0-1781915397-1.2.1.1-45cEUXIFoM7NwyYi94qcrZmHNyLmXp96t5LUQXb32Gi2KcXGv6HPRPATq7dPDaIgXFn.LF8gT2FyrEnSLUWyMUg3bkwUWlFZ6RajxULcMCwoYpEEpVJXQgaEGX0XorSV244eqz4_6NR5Bh8M_OPtBvF4snCfuC5O_Sbh9Hy3a6xrRy_.NIos0JAKVnbxzkoeseH0CZEGFMTn1._yL5WqUa6JQpF_Wz9jbZw5ylSucaZOYurRtXxxtQbm4B7MDZjdgX2ll5d9rkm8pfeHHd3hyoiS2_.Ktse2sLJgIYm4vN.OZv5jmlZbUzKUh_txq0Gfwin1.mkVffTbZ1nJDEncC0EerUByO91VcLbn4v9jEjbfrmqTJgXi8tzxB5XyPrBTwIj9W8qWPNBBWgl4hjlnphaFgYj48mhj9Jv9WQXptKznXp_0B9J5bzoeUeP5dV_6OmQws0MNbia4tq4sWYnM85kA6Z9itVzmHUMLT79IOb8OMAmo9d7GglJKqMqrE99jM6zmc.ls1gRQFUJrM9zqXvCtfjAl2M2brc9VMKlEeYapPX0bDHUfQNH6j0_aSm5CwwiTSj2qGRy3ExDDXsYAx5dFbPY8s8QyFknJS1g6f7vIpWEoeCBxgfySZvELyQXOkS2WI0TirvOUm0mVhNZPwgRTsNoT_l0T1aH3scNx92AsCSyHvwo0spYltWNKbBD7elyBZ5Q7NgaiobIBEWdPMg
.nih.gov/ 1970-01-21
23:44:11 		Name: cf_clearance
Value: RfL29GO9JIgdJgLUrZzkXhyn1.usqc7VxpU2IwaQp6o-1781915397-1.2.1.1-lG7Av0CV8S7NDJ30Tjq7Iik9Bca6Cl4tqqhCTpWoOgvznLSD.4NZovMZtuKLL5C8b6t.N2CGq2g02xQvoWPOBRUiyl_uSucANIHieUthZhctbOETsrkqswHyuZEEB6z0wskEeCN0e6RoKvUYRy2Ol1_Qhz02lfVtJlmxmXlR.tYuKdowGHcvzdtbdtZv2odD9FeO6fbb0vbVdVKZT9B5HN5ALudGmeIuGAbmEZs7bOzKfi7FQeFRcJkxlFplVjri18Tv8C3dEkqaorW2IKXs5c.alWJZkLYsrJ6OGYztRBAiov0WSdlX8aJ1maXoycuWAdyhnCAafP77tb9cxPSd_oEYl3ttJPHdG0ZqD_3QukO5ro6sXw2USXy1uAqUvmZUAsKdG7si9oDLzf_kR5Cf.qfxcWv1Ix2I73P7iP2sWofIXYlSPkm04HWD2tbsau.mCVyz5dZHwNewZzquuSrSF_wB.Nsaw87hdLNemEVEvEd_J4e33oYZ9c.I5lWoB58p
www.nih.gov/ 1970-01-21
14:58:38 		Name: cf_chl_rc_ni
Value: 1
.nih.gov/ 1970-01-21
14:58:37 		Name: __cf_bm
Value: plBT7JxRss4DFUmZCqTojQDKZIHFAJBuXWY2hV5zLh0-1781915400.4666586-1.0.1.1-eXlTqJdmxJy400zd_OUdkX.9Bh6.9h68bVF9HFJYyXDfcsws5I.QgR5u8oa3Z0zW1EzgZiOUdS0opeKkTZNUFiI.HxECj9feiiPVPbNZkD1PR7E66sq_7_Cpc0jn.3cs

8 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source Level URL
Text
network error URL: https://www.nih.gov/
Message:
Failed to load resource: the server responded with a status of 403 ()
rendering warning URL: https://www.nih.gov/
Message:
No available adapters.
network error URL: https://www.nih.gov/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://www.nih.gov/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://www.nih.gov/
Message:
Failed to load resource: the server responded with a status of 403 ()
rendering warning URL: https://www.nih.gov/
Message:
No available adapters.
network error URL: https://www.nih.gov/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://www.nih.gov/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Content-Security-Policy default-src 'none'; script-src 'nonce-iXRBWBm14T19HImYmOkJnP' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block