Domain Intelligence Report

guardian.co.uk

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

5
DNS record types
179d
SSL cert remaining
5
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for guardian.co.uk.

A 4 records
  • 151.101.1.111
  • 151.101.65.111
  • 151.101.129.111
  • 151.101.193.111
MX 5 records
  • 30 alt3.aspmx.l.google.com.
  • 20 alt2.aspmx.l.google.com.
  • 20 alt1.aspmx.l.google.com.
  • 10 aspmx.l.google.com.
  • 30 alt4.aspmx.l.google.com.
TXT 16 records
  • "google-site-verification=Gruud_A1jSnwIisPP0kLLk2Gbh1q5YZCAf1rBW4j6S0"
  • "v=spf1 include:_spf.google.com include:spf_c.oraclecloud.com include:_spf.salesforce.com include:_spf1.guardian.co.uk ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/" "20 ip4:54.240.64.0/18 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:24.110.64.0/18 -all"
  • "adobe-idp-site-verification=1368fd2c-0545-45ae-94f3-d68e3011a81d"
  • "docusign=f944699e-0f48-4a6c-bb06-6f298838accd"
  • "globalsign-domain-verification=QCdmvx2FmvCpeqYXQsTAMJMq2YjyK0VzLosSdN6aMP"
  • "#X5CQFVBu7x8Qp^%B%2vRgDxuVF!^POds0#Y1jnU6DpqYM@$ooB2kevxYsddgzh*LiibuT&Qy77APrGqqeOUyneKR3m4Uib@7py"
  • "MS=ms15597190"
  • "google-site-verification=QtI5iwIYEk7iN5gsVGHkW6N6cOaOz_4IdxCz_0unZxU"
  • " atlassian-domain-verification=ZnxGlQoBqanLuLhXwZ0EsfSaOSCgszlydfePAIDOV5zxl8aQ9Jj8VgKJ7/icjZxE"
  • "globalsign-domain-verification=6ilL9ugTYN2YHOc1lgw_dHdDBvBoHBRn80VoRN5Zsp"
  • "amazonses:qAISMpzD1+fmQhBPmkpwgfm+rC67CFgkipCfOvPv9Z4="
  • "_globalsign-domain-verification=xfkrv3yRwA5GGm0E4l5RlcNKTqVD8KAYsYdCYTBMF0"
  • "cisco-ci-domain-verification=2a47b0cd6ab37105f45c90a335a1599e46cdeeebdc9b940724ffd4e974f9c2c2"
  • "apple-domain-verification=TvfgpRuRqlYkkyrO"
  • "MS=ms11152033"
  • "cisco-ci-domain-verification=14791f0a1bc8138739926dd29d4287302be3c61a53564c87ca5adb3a880596e6"
NS 8 records
  • ns02.theguardiandns.com.
  • ns03.theguardiandns.com.
  • ns04.theguardiandns.com.
  • dns1.p02.nsone.net.
  • dns2.p02.nsone.net.
  • dns3.p02.nsone.net.
  • dns4.p02.nsone.net.
  • ns01.theguardiandns.com.
SOA 1 record
  • dns1.p02.nsone.net. hostmaster.nsone.net. 1645029982 3600 600 604800 600
Registration

WHOIS / RDAP

Registration data for guardian.co.uk via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

Failed to fetch WHOIS: all RDAP sources failed
TLS

SSL Certificate

Live TLS handshake against guardian.co.uk. No third-party scanner.

ssl 179 days remaining
Issuer
CN=GlobalSign Atlas R3 DV TLS CA 2025 Q3,O=GlobalSign nv-sa,C=BE
Subject
CN=theguardian.com
Valid from
2025-10-07T14:25:22+00:00
Valid to
2026-11-08T14:25:21+00:00
Serial
1960543106196986892553948856589811784
SANs (20)
theguardian.com*.code.dev-guardianapis.com*.code.dev-theguardian.com*.dev-theguardian.com*.editorial.theguardian.com*.email.theguardian.com*.guardian.co.uk*.guardianapis.com*.guim.co.uk*.guimcode.co.uk*.ophan.co.uk*.qa.dev-guardianapis.com*.service.theguardian.com*.theguardian.co.uk*.theguardian.com*.theguardian.designapi.nextgen.guardianapps.co.ukcode.api.nextgen.guardianapps.co.ukdev-gutools.co.ukdev-theguardian.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh ReadTimeout: · certspotter rate-limited · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 5 found
crt.sh ReadTimeout: certspotter rate-limited hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +5 (wordlist 54)
  • m.guardian.co.uk
  • media.guardian.co.uk
  • status.guardian.co.uk
  • webmail.guardian.co.uk
  • www.guardian.co.uk
Email

Email Security Posture

SPF and DMARC presence and records for guardian.co.uk. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 include:_spf.google.com include:spf_c.oraclecloud.com include:_spf.salesforce.com include:_spf1.guardian.co.uk ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/18 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:24.110.64.0/18 -all
DMARC present
  • v=DMARC1;p=reject;rua=mailto:dmarcreporting@guardian.co.uk
DKIM selector required

DKIM requires selector; not auto-discoverable

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