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Total

DNS

Email

Security

Network

100

Availability

Domaingov.uk

IPv44

IPv68

MX records0

StatusActive

Domain technical report

Welcome to GOV.UK

gov.uk

GOV.UK - The best place to find government services and information.

Generated: 2026-08-10T08:22:30-05:00 · Cached result

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IPv44

IPv68

MX0

NS8

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

8 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

8 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

MX records0 / 20 pts · Mail

0 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

140 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)

151.101.128.144
151.101.192.144
151.101.0.144
151.101.64.144

AAAA

8 record(s)

2a04:4e42:c00::144
2a04:4e42:400::144
2a04:4e42:600::144
2a04:4e42:800::144
2a04:4e42:e00::144
2a04:4e42:200::144
2a04:4e42:a00::144
2a04:4e42::144

CNAME

0 record(s)

—

Not configured

MX

0 record(s)

—

Not configured

TXT

5 record(s)

"security_contact=https://vulnerability-reporting.service.security.gov.uk"
"v=spf1 -all"
"#Timestamp: 1786368000"
"_globalsign-domain-verification=a5p69EoJN9T_qv6CU2Y_FkAocR4FJpRN84165hHR25"
"d1v9gv6rnax070.cloudfront.net"

NS

8 record(s)

nsd.nic.uk.
dns1.nic.uk.
dns2.nic.uk.
nsb.nic.uk.
dns4.nic.uk.
dns3.nic.uk.
nsc.nic.uk.
nsa.nic.uk.

SOA

1 record(s)

dns1.nic.uk. hostmaster.nominet.org.uk. 1786368004 900 300 2419200 3600

CAA

0 record(s)

—

Not configured

DS

1 record(s)

695 8 2 7277592DBD8993BDE70704DBABD30AFDBB85057E658EF1428F18F5D9 A534BCE0

DNSKEY

2 record(s)

256 3 8 AwEAAcrWS7rvsJMswiDC6ty9ryAzA1BMc12vFm1rL23Uud8EeVbyKZBk k38z0fODPupIyjyui3xwU6stMeXqsrR1N1NpYMdmvsw5K4C5j1HiyaAV UfH+qasHSwkngy+gAHdU6esTr0EfY2p0tvSGc3ZFdbv15W+S1DPzK2Ml zehbNAotheIyjULUpTQXSnQRwChIA5xw0LVRA5v52yf8qCvdMIJEQbDi gX1r/moR2RZs2v5aCS9G5OlXDlvMNXf7cd1+8O7X6PorpsVak5atMNr/ wM5dgaOhyiFcHbIBxsT8zVJF3/ErWWohOI+j8Pf2nOizPb4Koo7ROAYg XjJ+CC9a+Qc=
257 3 8 AwEAAc4btyvhzTFwusTMj7fuVvXJVCeCFu70xH93voWNDf9rXwbamYO5 c64EmT+RAVqdKV5g44sHSlGjbpNsPsaVO/Gqzbxpbyk2Via5dZZxl7r1 oC8qo2L3G4U1whuDTsfRhWjHZOh9UoZkHvK2vL1I7EBkE+s3297n1pQX Wt2Ijlh3iOIbGYXLnAA+0OHdTROzcfQ57VYJ5nKoBOxkJFN6bqSadnJN CjzHrPVHSDL1xwwPubxKG2xCpr999lG+y+zLdEOA8/mRgS5KS2PF9BuV W17NHp8+sHSQ3A1X5YszNsF77+h2p7p9xQ9KnQ+9P8wMDWXo9C4NgTdO j/8kJ/F7xAs=

RRSIG

5 record(s)

DNSKEY 8 2 7200 20260909172448 20260805163411 695 gov.uk. WiVgTiCa1hsYlJgoI7QSJSz3rLjAxl+E+fl8OPNMeJQUXJKwQvLe+xjK 1fVNYz35Nw+ZhouWbofuM90vZyrUEYRxxZ2m+ZzaKZ/qmfsEnqWYwBwe Pq8CAHRWGoM9hc4kDDqEl8Ty1Wh3xohf+pfJf1tTBLuRgzfXeb+8zB4N kVEQxWunIakRIRb9nbXSr+Q7NSwdK7j7viynMe4ZONQ9u8fsPzef5mWo oaTno1JgTvj3QQe5UnmYgORoEcHlOl8qKy4y8g+W1A/7sm++PkKuvwfr t6V+PoYjrN2h6poRUAK+1FO3cZQr4WDiBa9lWfXCmC3bXM3/Ef9dsFih c3t57Q==
SOA 8 2 172800 20260914132004 20260810122004 52549 gov.uk. fwJIziFgI4Zk9hqntGPmX/Cx6TuphpnyTl54XoOhKYK/hLKlxvoxxJUZ cOmpm6edUJVtsixb1EKvy/+THkc2Iy07DqWYUEkvfWA5W2vLzobvb+5r 6WAGsltI3vQ9vBT8e+mOLKbDeKTxvSrMbNdaXtImQKdNVZNEbka7/Qnx XwEMFIsbVTZRJmkrxP13Rk19E/xk3RQkRYY7IjB5FKaIm9yqx2/d1kgY +Qtk1dA2yeUm/+CgJdee4AgPlNuTBtAEm/7jVyJyq58EFR9/Brx7jKfC nTZbXKn2HuS0ZWpgcV5oBqE8qOFGHqGE0YnLcK86Ek5uxYzMYwlznc+z PByrFA==
TXT 8 2 86400 20260914043952 20260810122004 52549 gov.uk. Vl/H9b5ji2q3OuIO0tymuOVMGdXiQV0vNXpAxdOPBeB3tefSgUvyn5KI VzsyQ07VEZdPUupmi6MjWoVCnhlFinLLfLmFXXRMdAeFVGTR6odWueDk rI6LhN6ezznYChXn+7C5Q1FaIcNjLBVfwL/f565nVlDIatJOFWOwdQ0C ReVbJmhrRyMdb3XYulXrkeE3B2HjSCC0ZotgppSrE9SAoo84GO7xhvaf 2d7JHg6BtLWPZlcR4BTvU7hGqfT8E+1TmsEoW6rNSJ9ERkjjDWDnB+/N f2gDcKL4lOE7kBTHfA70Yflq0qZxDwlYDJ9/g9g5ZLDp4HyjpBEe9REK XvrEbA==
AAAA 8 2 3600 20260909110120 20260805103048 52549 gov.uk. pcRHOdcBrCcRCIBGU2rwm2TNAx/1Bvx6U8c2nlFh+N9JRIGGUGQRL8ha z9lkQlTjrcXzOKMPCUSrx3MiM1YHyaca3WnY2JxZ9K1YmkZuRZdVfcJn l6uvtgzd58coFvt53zB+kTHB/DTlxnapkDA7BM0QQHLbC65Tccq3ISBn 5cYVc+s4GPtjMn2Wqhud9pIGNJPDHDXqVaU1LC15TGwoOR21Em5V6/YU ue3Y7vute8uslSI62KxTkRtRFOSmwNhM/d76XA0XymiZpshMjTLXys0u N5tKn1tnv6uEp11cTzA2bYKe0rkT4vufT9fNOw7t5ux80YRodxAxaFus bECPOw==
A 8 2 3600 20260909110120 20260805103048 52549 gov.uk. jyRiJUx0ILP2wNNExSU2bwbhVifKsAQe/E8XhUVhDv/J0V0hGRzVRQZB Jk9OBu67FTxCiXkWd69CBkMXb8pha+Ev0FPhwDn2dNpb34LLApFh5odH lvQDq7KE1BFdnj2Nn55rKZbbJhCkK2iIrSQPTEMEWKOQhs+67/hUcvuE SpPOymOEAaUiQx73n3P2yuDIlPzkxcCrtCPs8/ulKhdpuas0bVGB4hX9 x4CQO0nT1zoS5SucvwtUCEXFvzwVE1h9r9hyxRiAzxR1uVH8hOhXKocn yARAgxIwTf3uGTIWVOoIlATYC5dwdozfS063mduVlmsKWs00DbVaHJ4x oMDxEg==

SPF

Configured

v=spf1 -all

DMARC

Configured

v=DMARC1;p=reject;sp=none;np=reject;adkim=s;aspf=s;fo=1;rua=mailto:dmarc-rua@dmarc.service.gov.uk

DKIM

Selector x

v=DMARC1;p=reject;rua=mailto:govuk-rua@dmarc.service.gov.uk

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Welcome to GOV.UK

Description

GOV.UK - The best place to find government services and information.

Final URL

https://www.gov.uk/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.gov.uk/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GlobalSign nv-sa

www.gov.uk

Valid from

2025-11-26T16:06:15-06:00

Valid until

2026-12-28T16:06:14-06:00

Days remaining

140

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

6 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144

112,18 ms

Cloudflare

1.1.1.1

151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144

43,03 ms

Quad9

9.9.9.9

151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144

29,38 ms

OpenDNS

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

gov.uk

Port 25: Closed/unreachable - 1 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4021.4 ms -

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