Submitted URL: http://chptools.decc.gov.uk/
Effective URL: https://www.gov.uk/government/publications/combined-heat-and-power-chp-technology
Submission: On November 15 via api from US — Scanned from GB

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 24 HTTP transactions. The main IP is 2a04:4e42::144, located in United States and belongs to FASTLY, US. The main domain is www.gov.uk. The Cisco Umbrella rank of the primary domain is 28731.
TLS certificate: Issued by GlobalSign RSA OV SSL CA 2018 on November 15th 2024. Valid for: a year.
This is the only time www.gov.uk was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 213.251.9.44 3257 (GTT-BACKB...)
19 2a04:4e42::144 54113 (FASTLY)
5 151.101.0.144 54113 (FASTLY)
24 2
Apex Domain
Subdomains
Transfer
24 www.gov.uk
www.gov.uk — Cisco Umbrella Rank: 28731
165 KB
1 decc.gov.uk
chptools.decc.gov.uk
385 B
24 2
Domain Requested by
24 www.gov.uk www.gov.uk
1 chptools.decc.gov.uk 1 redirects
24 2

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

Domain
assets.publishing.service.gov.uk
www.smartsurvey.co.uk
www.nationalarchives.gov.uk
Subject Issuer Validity Valid
www.gov.uk
GlobalSign RSA OV SSL CA 2018
2024-11-15 -
2025-12-17
a year crt.sh

This page contains 1 frames:

Primary Page: https://www.gov.uk/government/publications/combined-heat-and-power-chp-technology
Frame ID: 171BBF9CCCC53027219EB966C3D9E828
Requests: 24 HTTP requests in this frame

Screenshot

Page Title

Combined Heat and Power (CHP) technology - GOV.UK

Page URL History Show full URLs

  1. http://chptools.decc.gov.uk/ HTTP 307
    https://chptools.decc.gov.uk/ HTTP 301
    https://www.gov.uk/government/publications/combined-heat-and-power-chp-technology Page URL

Detected technologies

Overall confidence: 80%
Detected patterns
  • <body[^>]+govuk-template__body
  • <a[^>]+govuk-link

Page Statistics

24
Requests

100 %
HTTPS

33 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

165 kB
Transfer

602 kB
Size

1
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://chptools.decc.gov.uk/ HTTP 307
    https://chptools.decc.gov.uk/ HTTP 301
    https://www.gov.uk/government/publications/combined-heat-and-power-chp-technology Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

24 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request combined-heat-and-power-chp-technology
www.gov.uk/government/publications/
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  • http://chptools.decc.gov.uk/
  • https://chptools.decc.gov.uk/
  • https://www.gov.uk/government/publications/combined-heat-and-power-chp-technology
73 KB
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Document
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https://www.gov.uk/assets/government-frontend/govuk_publishing_components/icon-print-9785e3a205c49d1efe1bfe07f3b60cafe820be2d0ca670aa2f4565f5deed4d5f.png
Requested by
Host: www.gov.uk
URL: https://www.gov.uk/assets/government-frontend/govuk_publishing_components/components/_print-link-98446ac1b56886e6bd275df832312c44f45ede0264f8d8ecf98750450fb2c0d4.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.0.144 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
b04bc2c6b31f73054f79768fd91f76df0b164b247c0905d8ca07b45cfb4f9a3b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.gov.uk/assets/government-frontend/govuk_publishing_components/components/_print-link-98446ac1b56886e6bd275df832312c44f45ede0264f8d8ecf98750450fb2c0d4.css

Response headers

etag
"d4c07e24a7eace8845c720b891655dc1"
age
5075120
fastly-backend-name
staticAssetsS3
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
x-cache
HIT
date
Fri, 15 Nov 2024 21:41:03 GMT
last-modified
Tue, 16 Jul 2024 09:36:24 GMT
content-type
image/png
x-cache-hits
40959
x-served-by
cache-lcy-eglc8600032-LCY
strict-transport-security
max-age=31536000; preload
cache-control
max-age=31536000, public, immutable
x-timer
S1731706864.523865,VS0,VE0
via
1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
139
server
AmazonS3
govuk-crest-d409ea573e5aaadc4412628fe98b2e0c021afcbb7860774383cf734475e8d672.svg
www.gov.uk/assets/static/
35 KB
15 KB
Image
General
Full URL
https://www.gov.uk/assets/static/govuk-crest-d409ea573e5aaadc4412628fe98b2e0c021afcbb7860774383cf734475e8d672.svg
Requested by
Host: www.gov.uk
URL: https://www.gov.uk/assets/static/application-1db6b567f2ed0787dba7d699a09e8a7db4d128f9d1b9c1be45e496c1c1b7e133.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.0.144 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
1277940de18daec85fe6b8bf41d0c774f6fa20ee95718e12474e76340cc43a55
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.gov.uk/assets/static/application-1db6b567f2ed0787dba7d699a09e8a7db4d128f9d1b9c1be45e496c1c1b7e133.css

Response headers

content-encoding
br
etag
"df07297200e81825ed27508aec9b0096"
age
2724491
fastly-backend-name
staticAssetsS3
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
x-cache
HIT
date
Fri, 15 Nov 2024 21:41:03 GMT
last-modified
Fri, 11 Oct 2024 08:32:02 GMT
content-type
image/svg+xml
x-served-by
cache-lcy-eglc8600032-LCY
x-cache-hits
360438
vary
Accept-Encoding
strict-transport-security
max-age=31536000; preload
cache-control
max-age=31536000, public, immutable
x-timer
S1731706864.524796,VS0,VE0
via
1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
14534
server
AmazonS3
bold-b542beb274-v2-35bf540bb39615b6a517986f3aa83f7fefa1efd1878603eeeb196488078542d1.woff2
www.gov.uk/assets/static/
31 KB
31 KB
Font
General
Full URL
https://www.gov.uk/assets/static/bold-b542beb274-v2-35bf540bb39615b6a517986f3aa83f7fefa1efd1878603eeeb196488078542d1.woff2
Requested by
Host: www.gov.uk
URL: https://www.gov.uk/assets/static/application-1db6b567f2ed0787dba7d699a09e8a7db4d128f9d1b9c1be45e496c1c1b7e133.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.0.144 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
06eba01b1af0f4014b484c711771fef1db30becbf0edf481498da1e4958d3d47
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://www.gov.uk
Referer
https://www.gov.uk/assets/static/application-1db6b567f2ed0787dba7d699a09e8a7db4d128f9d1b9c1be45e496c1c1b7e133.css

Response headers

etag
"b542beb2746ca0e4a5a9aa7ea7767df7"
age
2721386
fastly-backend-name
staticAssetsS3
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
x-cache
HIT
date
Fri, 15 Nov 2024 21:41:03 GMT
last-modified
Mon, 15 Jul 2024 10:31:50 GMT
content-type
binary/octet-stream
x-cache-hits
336767
x-served-by
cache-lcy-eglc8600032-LCY
strict-transport-security
max-age=31536000; preload
cache-control
max-age=31536000, public, immutable
x-timer
S1731706864.535254,VS0,VE0
via
1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
31480
server
AmazonS3
light-94a07e06a1-v2-01565b0034e61d4609689bbb7ae0be844701f3812c8fe029fa1659b7ef3aa94f.woff2
www.gov.uk/assets/static/
33 KB
33 KB
Font
General
Full URL
https://www.gov.uk/assets/static/light-94a07e06a1-v2-01565b0034e61d4609689bbb7ae0be844701f3812c8fe029fa1659b7ef3aa94f.woff2
Requested by
Host: www.gov.uk
URL: https://www.gov.uk/assets/static/application-1db6b567f2ed0787dba7d699a09e8a7db4d128f9d1b9c1be45e496c1c1b7e133.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.0.144 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
eedfb3c2f7945caebd0b15522b59d6c7f01be17fecd6102fd76452ad4042f7b0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://www.gov.uk
Referer
https://www.gov.uk/assets/static/application-1db6b567f2ed0787dba7d699a09e8a7db4d128f9d1b9c1be45e496c1c1b7e133.css

Response headers

etag
"94a07e06a104e76fe40583f74b204aee"
age
2727511
fastly-backend-name
staticAssetsS3
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
x-cache
HIT
date
Fri, 15 Nov 2024 21:41:03 GMT
last-modified
Mon, 15 Jul 2024 10:31:50 GMT
content-type
binary/octet-stream
x-cache-hits
337420
x-served-by
cache-lcy-eglc8600032-LCY
strict-transport-security
max-age=31536000; preload
cache-control
max-age=31536000, public, immutable
x-timer
S1731706864.536032,VS0,VE0
via
1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
33382
server
AmazonS3
favicon-50144c9d83e59584c45b249ad9e9abfdd23689876c33f28457df13bbdd9c8688.svg
www.gov.uk/assets/static/
2 KB
1 KB
Other
General
Full URL
https://www.gov.uk/assets/static/favicon-50144c9d83e59584c45b249ad9e9abfdd23689876c33f28457df13bbdd9c8688.svg
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.0.144 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
058fd73a9a1cffd4808be36decee3629e6c15c4b0e6f616ed469c1b6d1d511c5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.gov.uk/government/publications/combined-heat-and-power-chp-technology

Response headers

content-encoding
br
etag
"e1321ba525137ed156ed48e69369531c"
age
3788980
fastly-backend-name
staticAssetsS3
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
x-cache
HIT
date
Fri, 15 Nov 2024 21:41:03 GMT
last-modified
Mon, 15 Jul 2024 10:31:50 GMT
content-type
image/svg+xml
x-served-by
cache-lcy-eglc8600032-LCY
x-cache-hits
259574
vary
Accept-Encoding
strict-transport-security
max-age=31536000; preload
cache-control
max-age=31536000, public, immutable
x-timer
S1731706864.593313,VS0,VE0
via
1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
854
server
AmazonS3

Verdicts & Comments Add Verdict or Comment

8 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.

object| LongTaskObserver function| measureHTTPProtocol object| LUX object| LUX_ae object| LUX_al object| GOVUK object| GOVUKFrontend function| onYouTubePlayerAPIReady

1 Cookies

Domain/Path Name / Value
www.gov.uk/ Name: cookies_policy
Value: {"essential":true,"settings":false,"usage":false,"campaigns":false}

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 'self'; base-uri 'none'; img-src 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk www.google-analytics.com ssl.google-analytics.com stats.g.doubleclick.net www.googletagmanager.com www.region1.google-analytics.com region1.google-analytics.com lux.speedcurve.com assets.digital.cabinet-office.gov.uk https://img.youtube.com https://i.ytimg.com; script-src 'self' www.google-analytics.com ssl.google-analytics.com stats.g.doubleclick.net www.googletagmanager.com www.region1.google-analytics.com region1.google-analytics.com www.gstatic.com *.ytimg.com www.youtube.com www.youtube-nocookie.com 'nonce-53LQsSVuh1exr7B69Cz8uQ=='; style-src 'self' www.gstatic.com; font-src 'self'; object-src 'none'; frame-src 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk www.youtube.com www.youtube-nocookie.com; frame-ancestors 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk; report-uri https://csp-reporter.publishing.service.gov.uk/report; connect-src 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk www.google-analytics.com ssl.google-analytics.com stats.g.doubleclick.net www.googletagmanager.com www.region1.google-analytics.com region1.google-analytics.com lux.speedcurve.com gds-single-consent-staging.app gds-single-consent.app
Strict-Transport-Security max-age=31536000; preload
X-Content-Type-Options nosniff nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

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.

chptools.decc.gov.uk
www.gov.uk
151.101.0.144
213.251.9.44
2a04:4e42::144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