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2610:20:6005:13::19  Public Scan

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Submitted URL: http://physics.nist.gov//cuu//constants//
Effective URL: https://physics.nist.gov/cuu/Constants/
Submission: On August 05 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 2 countries across 4 domains to perform 27 HTTP transactions. The main IP is 2610:20:6005:13::19, located in Silver Spring, United States and belongs to US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US. The main domain is physics.nist.gov.
TLS certificate: Issued by R3 on June 3rd 2024. Valid for: 3 months.
This is the only time physics.nist.gov was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 17 2610:20:6005:... 49 (US-NATION...)
5 129.6.13.19 49 (US-NATION...)
3 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:239... 16509 (AMAZON-02)
2 2001:4860:480... 15169 (GOOGLE)
27 5
17    2610:20:6005:13::19 (Silver Spring, United States)

ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US)
physics.nist.gov
5    129.6.13.19 (Gaithersburg, United States)

ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US)
PTR: www.ctcms.nist.gov
physics.nist.gov
3    2a00:1450:4001:831::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2600:9000:2394:cc00:5:83ea:ba80:93a1 (United States)

ASN16509 (AMAZON-02, US)
dap.digitalgov.gov
2    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
Apex Domain
Subdomains		 Transfer
22 nist.gov
physics.nist.gov
135 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 112
288 KB
2 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 3123
1 digitalgov.gov
dap.digitalgov.gov — Cisco Umbrella Rank: 8125
8 KB
27 4
Domain Requested by
22 physics.nist.gov 1 redirects physics.nist.gov
3 www.googletagmanager.com physics.nist.gov
dap.digitalgov.gov
www.googletagmanager.com
2 region1.google-analytics.com www.googletagmanager.com
1 dap.digitalgov.gov physics.nist.gov
27 4

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

Domain
www.nist.gov
Subject Issuer Validity Valid
*.nist.gov
R3		 2024-06-03 -
2024-09-01		 3 months crt.sh
*.google-analytics.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
dap.digitalgov.gov
Amazon RSA 2048 M03		 2024-06-06 -
2025-07-05		 a year crt.sh

This page contains 1 frames:

Primary Page: https://physics.nist.gov/cuu/Constants/
Frame ID: 807B671546FD8B521CD15BF735F9C276
Requests: 27 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Fundamental Physical Constants from NIST

Page URL History Show full URLs

  1. http://physics.nist.gov//cuu//constants// HTTP 307
    https://physics.nist.gov//cuu//constants// HTTP 301
    http://physics.nist.gov/cuu/Constants/ HTTP 307
    https://physics.nist.gov/cuu/Constants/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

27
Requests

100 %
HTTPS

80 %
IPv6

4
Domains

4
Subdomains

5
IPs

2
Countries

431 kB
Transfer

1000 kB
Size

3
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://physics.nist.gov//cuu//constants// HTTP 307
    https://physics.nist.gov//cuu//constants// HTTP 301
    http://physics.nist.gov/cuu/Constants/ HTTP 307
    https://physics.nist.gov/cuu/Constants/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

27 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
physics.nist.gov/cuu/Constants/
Redirect Chain
  • http://physics.nist.gov//cuu//constants//
  • https://physics.nist.gov//cuu//constants//
  • http://physics.nist.gov/cuu/Constants/
  • https://physics.nist.gov/cuu/Constants/
12 KB
12 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
1bc1d4e42539c71306d7951d9c31e9c1ca4be7449eda24ab9a1bb970c9585709
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
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/127.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
content-length
12132
content-security-policy
frame-ancestors 'self'
content-type
text/html; charset=UTF-8
date
Mon, 05 Aug 2024 21:20:53 GMT
etag
"2f64-61807cc611b83"
last-modified
Thu, 09 May 2024 16:20:33 GMT
server
Apache
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1;mode=block

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://physics.nist.gov/cuu/Constants/
Non-Authoritative-Reason
HSTS
generic-nist-exit-script.css
physics.nist.gov/css/ 		643 B
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://physics.nist.gov/css/generic-nist-exit-script.css
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
129.6.13.19 Gaithersburg, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
www.ctcms.nist.gov
Software
Apache /
Resource Hash
d04a52017d6191cb67bcd3d4ecbb14f137a586b06dd978e64fb989ba7245f6f2
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Thu, 27 Jun 2013 13:42:46 GMT
server
Apache
etag
"283-4e022eff28180"
x-frame-options
SAMEORIGIN
content-type
text/css
accept-ranges
bytes
content-length
643
x-xss-protection
1;mode=block
jquery.min.js
physics.nist.gov/js/ 		91 KB
92 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://physics.nist.gov/js/jquery.min.js
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
f23d4b309b72743aa8afe1f8c98a25b3ee31246fa572c66d9d8cb1982cae4fbc
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Mon, 15 Oct 2012 18:37:25 GMT
server
Apache
etag
"16cfc-4cc1d542a0340"
x-frame-options
SAMEORIGIN
content-type
text/javascript
accept-ranges
bytes
content-length
93436
x-xss-protection
1;mode=block
generic-nist-exit-script.js
physics.nist.gov/js/ 		3 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://physics.nist.gov/js/generic-nist-exit-script.js
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
129.6.13.19 Gaithersburg, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
www.ctcms.nist.gov
Software
Apache /
Resource Hash
bfc3a287165341d21ae39ae94581edd0f5989f05887db7abb8908ed4cfd0efe8
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Thu, 27 Jun 2013 14:09:44 GMT
server
Apache
etag
"bfa-4e02350633a00"
x-frame-options
SAMEORIGIN
content-type
text/javascript
accept-ranges
bytes
content-length
3066
x-xss-protection
1;mode=block
js
www.googletagmanager.com/gtag/ 		306 KB
102 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-9SLN1VEEJ2
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
2d130065d21ef39e8aabadad68c1f50b679f32c72f660bfda3b57b3d9f4cd01b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://physics.nist.gov/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
103876
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Mon, 05 Aug 2024 21:20:53 GMT
Universal-Federated-Analytics-Min.js
dap.digitalgov.gov/ 		27 KB
8 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOC&subagency=NIST&pua=UA-37115410-46&yt=false&exts=ppsx,pps,f90,sch,rtf,wrl,txz,m1v,xlsm,msi,xsd,f,tif,eps,mpg,xml,pl,xlt,c
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2394:cc00:5:83ea:ba80:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c8a17a207f86b27f357193797a5151138de7f5f9686aa4a6138e4082914c8d89

Request headers

Referer
https://physics.nist.gov/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

x-amz-version-id
m7NeZBrmXOG7i9AW8WYtOJ.ZwqXNhD2E
content-encoding
gzip
via
1.1 76a2ca53c94ecdb2669e24612a611a48.cloudfront.net (CloudFront)
date
Mon, 05 Aug 2024 02:28:17 GMT
x-amz-cf-pop
AMS1-P2
age
67957
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
x-amz-replication-status
COMPLETED
alt-svc
h3=":443"; ma=86400
last-modified
Fri, 12 Jul 2024 18:47:23 GMT
server
AmazonS3
etag
W/"3f79f7120d56605b5fb6ee8993e18d7d"
vary
Accept-Encoding
content-type
application/javascript
x-amz-cf-id
q4d8bSyDcAeqsZ14uR8o44YCHxSJW43dIlqeNCjeA4YwlxyYsgVMrA==
clickjack.js
physics.nist.gov/js/ 		293 B
700 B 		Script
General
Check archive.org
Download Go to
Full URL
https://physics.nist.gov/js/clickjack.js
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
129.6.13.19 Gaithersburg, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
www.ctcms.nist.gov
Software
Apache /
Resource Hash
e508d20faa2271cd6692969112a6f551c755ec8c85be4ec7b86c4e8cbee36f74
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Wed, 17 Aug 2022 20:09:10 GMT
server
Apache
etag
"125-5e675701d5e52"
x-frame-options
SAMEORIGIN
content-type
text/javascript
accept-ranges
bytes
content-length
293
x-xss-protection
1;mode=block
space.gif
physics.nist.gov/cuu/Images/ 		43 B
442 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://physics.nist.gov/cuu/Images/space.gif
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
e586a84d8523747f42e510d78e141015b6424cf67d612854e892a7bcedc8ec9e
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Thu, 09 May 2024 16:20:18 GMT
server
Apache
etag
"2b-61807cb8107fc"
x-frame-options
SAMEORIGIN
content-type
image/gif
accept-ranges
bytes
content-length
43
x-xss-protection
1;mode=block
cuu.gif
physics.nist.gov/cuu/Images/ 		5 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://physics.nist.gov/cuu/Images/cuu.gif
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
eb6897beba8f5a5c256ed7db38c1dc918ab35c757510a20abe5955cfd5bbc839
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Thu, 09 May 2024 16:20:18 GMT
server
Apache
etag
"13b9-61807cb7d52c3"
x-frame-options
SAMEORIGIN
content-type
image/gif
accept-ranges
bytes
content-length
5049
x-xss-protection
1;mode=block
HEAD-FundCon2.gif
physics.nist.gov/cuu/Images/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://physics.nist.gov/cuu/Images/HEAD-FundCon2.gif
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
2f8382345f990246a18e9205482ec13329708813b1657a5d8005c72f3504c0f9
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Thu, 09 May 2024 16:20:18 GMT
server
Apache
etag
"69f-61807cb7f045c"
x-frame-options
SAMEORIGIN
content-type
image/gif
accept-ranges
bytes
content-length
1695
x-xss-protection
1;mode=block
universal.gif
physics.nist.gov/cuu/Images/ 		731 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://physics.nist.gov/cuu/Images/universal.gif
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
37c04e5a1a638474e9dd91508c75af2a532d908203ecab0ee8215a5c2a10050d
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:53 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Thu, 09 May 2024 16:20:18 GMT
server
Apache
etag
"2db-61807cb806fa4"
x-frame-options
SAMEORIGIN
content-type
image/gif
accept-ranges
bytes
content-length
731
x-xss-protection
1;mode=block
electromag.gif
physics.nist.gov/cuu/Images/ 		881 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://physics.nist.gov/cuu/Images/electromag.gif
Requested by
Host: physics.nist.gov
URL: https://physics.nist.gov/cuu/Constants/
Protocol
HTTP/1.1
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https://region1.google-analytics.com/g/collect?v=2&tid=G-CSLL4ZEK4L&gtm=45je47v0v9131934939za200zb9104259102&_p=1722892853718&gcd=13l3lPl2l1&npa=1&dma_cps=syphamo&dma=1&tag_exp=95250753&cid=1363682205.1722892854&ul=de-de&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=noapi&_s=1&dl=https%3A%2F%2Fphysics.nist.gov%2Fcuu%2Fconstants%2F&dt=Fundamental%20Physical%20Constants%20from%20NIST&sid=1722892853&sct=1&seg=0&en=page_view&_fv=1&_ss=1&_ee=1&ep.agency=DOC&ep.subagency=NIST&ep.site_topic=unspecified%3Aphysics.nist.gov&ep.site_platform=unspecified%3Aphysics.nist.gov&ep.script_source=https%3A%2F%2Fdap.digitalgov.gov%2Funiversal-federated-analytics-min.js&ep.version=20240712%20v8.2%20-%20ga4&ep.protocol=https%3A&ep.using_parallel_tracker=no&tfd=1724
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

Referer
https://physics.nist.gov/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 05 Aug 2024 21:20:53 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://physics.nist.gov
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
favicon.ico
physics.nist.gov/ 		318 B
722 B 		Other
General
Check archive.org
Download Go to
Full URL
https://physics.nist.gov/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2610:20:6005:13::19 Silver Spring, United States, ASN49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY, US),
Reverse DNS
Software
Apache /
Resource Hash
756a8ebed8a249cfe590ef9030094211a4a204992badf04225fdadee4cc29db8
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

Referer
https://physics.nist.gov/cuu/Constants/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 21:20:54 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Wed, 16 Jan 2013 21:41:22 GMT
server
Apache
etag
"13e-4d36ebd432480"
x-frame-options
SAMEORIGIN
content-type
image/x-icon
accept-ranges
bytes
content-length
318
x-xss-protection
1;mode=block

Verdicts & Comments Add Verdict or Comment

48 JavaScript Global Variables

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

function| $ function| jQuery function| gtag object| dataLayer object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady object| gaGlobal object| _allowedQuerystrings object| oCONFIG object| head object| GA4Object function| _onEveryPage function| _defineCookieDomain function| _defineAgencyCDsValues function| _setEnvironment function| _cleanBooleanParam function| _isValidGA4Num number| d_c function| _cleanGA4Value function| _updateConfig function| _sendEvent function| gas4 function| gas function| _sendViewSearchResult function| _isExcludedReferrer function| createTracker function| _initAutoTracker function| _payloadInterceptor function| _unflattenJSON function| _flattenJSON function| _objToQuery function| _queryToJSON object| piiRegex function| _piiRegexReset function| _piiRedactor function| _initIdAssigner function| _initBannerTracker function| _URIHandler function| _scrubbedURL function| _setAllowedQS function| _setUpTrackers function| _setUpTrackersIfReady string| _fullParams string| _keyValuePair string| _key string| _value boolean| _isRedacted

3 Cookies

Domain/Path Name / Value
.nist.gov/ Name: _ga
Value: GA1.1.1363682205.1722892854
.nist.gov/ Name: _ga_9SLN1VEEJ2
Value: GS1.1.1722892853.1.0.1722892853.0.0.0
.nist.gov/ Name: _ga_CSLL4ZEK4L
Value: GS1.1.1722892853.1.0.1722892853.0.0.0

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 frame-ancestors 'self'
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

dap.digitalgov.gov
physics.nist.gov
region1.google-analytics.com
www.googletagmanager.com
129.6.13.19
2001:4860:4802:32::36
2600:9000:2394:cc00:5:83ea:ba80:93a1
2610:20:6005:13::19
2a00:1450:4001:831::2008
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