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
103d
SSL cert remaining
176
Subdomains found
All 3
Email security signals
Generated 2026-07-28 11:58 UTC Refresh data
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Common uses: SSL expiry monitoring Subdomain change alerts CRM lead enrichment SPF/DMARC/DKIM audits Domain reputation scoring Attack surface mapping Bulk WHOIS lookup SaaS onboarding checks
curl "https://domain-intelligence-api.p.rapidapi.com/lookup/guardian.co.uk" \
  -H "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com" \
  -H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY"
import requests

url = "https://domain-intelligence-api.p.rapidapi.com/lookup/guardian.co.uk"
headers = {
    "X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
    "X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
}
r = requests.get(url, headers=headers, timeout=15)
data = r.json()
print(data["subdomains"]["count"], "subdomains found")
// Node 18+ has built-in fetch — no import needed
const res = await fetch(
  "https://domain-intelligence-api.p.rapidapi.com/lookup/guardian.co.uk",
  { headers: {
      "X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
      "X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
  }}
);
const data = await res.json();
console.log(data.dns.A, data.email_security.spf);
<?php
$ch = curl_init("https://domain-intelligence-api.p.rapidapi.com/lookup/guardian.co.uk");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com",
    "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY",
]);
$data = json_decode(curl_exec($ch), true);
curl_close($ch);
echo $data["subdomains"]["count"];
Free tier: 1,000 requests/month · no credit card · all endpoints included See all plans →
DNS

DNS Records

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

A 4 records
  • 151.101.193.111
  • 151.101.1.111
  • 151.101.65.111
  • 151.101.129.111
MX 5 records
  • 20 alt2.aspmx.l.google.com.
  • 20 alt1.aspmx.l.google.com.
  • 10 aspmx.l.google.com.
  • 30 alt4.aspmx.l.google.com.
  • 30 alt3.aspmx.l.google.com.
TXT 18 records
  • "asv_domain=8709d5fa315bd4d548b1301dc2fa9806"
  • "multiverse-domain-verification=3e7e7acf-12cc-4934-a23a-b8c0127fb091"
  • " atlassian-domain-verification=ZnxGlQoBqanLuLhXwZ0EsfSaOSCgszlydfePAIDOV5zxl8aQ9Jj8VgKJ7/icjZxE"
  • "google-site-verification=Gruud_A1jSnwIisPP0kLLk2Gbh1q5YZCAf1rBW4j6S0"
  • "MS=ms11152033"
  • "cisco-ci-domain-verification=2a47b0cd6ab37105f45c90a335a1599e46cdeeebdc9b940724ffd4e974f9c2c2"
  • "_globalsign-domain-verification=xfkrv3yRwA5GGm0E4l5RlcNKTqVD8KAYsYdCYTBMF0"
  • "amazonses:qAISMpzD1+fmQhBPmkpwgfm+rC67CFgkipCfOvPv9Z4="
  • "#X5CQFVBu7x8Qp^%B%2vRgDxuVF!^POds0#Y1jnU6DpqYM@$ooB2kevxYsddgzh*LiibuT&Qy77APrGqqeOUyneKR3m4Uib@7py"
  • "adobe-idp-site-verification=1368fd2c-0545-45ae-94f3-d68e3011a81d"
  • "cisco-ci-domain-verification=14791f0a1bc8138739926dd29d4287302be3c61a53564c87ca5adb3a880596e6"
  • "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"
  • "apple-domain-verification=TvfgpRuRqlYkkyrO"
  • "globalsign-domain-verification=6ilL9ugTYN2YHOc1lgw_dHdDBvBoHBRn80VoRN5Zsp"
  • "MS=ms15597190"
  • "docusign=f944699e-0f48-4a6c-bb06-6f298838accd"
  • "globalsign-domain-verification=QCdmvx2FmvCpeqYXQsTAMJMq2YjyK0VzLosSdN6aMP"
  • "google-site-verification=QtI5iwIYEk7iN5gsVGHkW6N6cOaOz_4IdxCz_0unZxU"
NS 8 records
  • ns04.theguardiandns.com.
  • dns1.p02.nsone.net.
  • dns2.p02.nsone.net.
  • dns3.p02.nsone.net.
  • dns4.p02.nsone.net.
  • ns01.theguardiandns.com.
  • ns02.theguardiandns.com.
  • ns03.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.

whois via port43:whois.nic.uk
Created
before Aug-1996
Updated
17-Jun-2026
TLS

SSL Certificate

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

ssl 103 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 5 upstream sources in parallel — crt.sh, certspotter, hackertarget, rapiddns, and VirusTotal — plus an always-on DNS bruteforce across a curated 773-word wordlist with automatic wildcard filtering, and background enrichment aggregating 25+ passive sources for comprehensive coverage.

subdomains 176 found
certspotter: 5 foundvirustotal: 176 foundrapiddns: 83 founddns-brute: 4 foundresolving live hosts…
  • abroadtalk.guardian.co.uk
  • adimage-origin.guardian.co.uk
  • adimage.guardian.co.uk
  • ads.guardian.co.uk
  • advertising.guardian.co.uk
  • archive.guardian.co.uk
  • arts.guardian.co.uk
  • atwww.guardian.co.uk
  • beta-discussion.guardian.co.uk
  • beta.guardian.co.uk
  • blogs.guardian.co.uk
  • boks.guardian.co.uk
  • books.guardian.co.uk
  • booktalk.guardian.co.uk
  • business.guardian.co.uk
  • calm.guardian.co.uk
  • canon-take-stories.guardian.co.uk
  • cgi.guardian.co.uk
  • click.mail.guardian.co.uk
  • clickthrough.guardian.co.uk
  • coins.guardian.co.uk
  • content-auth.guardian.co.uk
  • cricket.guardian.co.uk
  • d2.guardian.co.uk
  • dating.guardian.co.uk
  • digital.guardian.co.uk
  • discussion.guardian.co.uk
  • dns02.guardian.co.uk
  • dns04.guardian.co.uk
  • download.guardian.co.uk
  • education.guardian.co.uk
  • educationtalk.guardian.co.uk
  • ent.guardian.co.uk
  • ent1.guardian.co.uk
  • ent2.guardian.co.uk
  • environment.guardian.co.uk
  • environmenttalk.guardian.co.uk
  • film.guardian.co.uk
  • filmtalk.guardian.co.uk
  • find.jobs.guardian.co.uk
  • football.guardian.co.uk
  • footballtalk.guardian.co.uk
  • gnmrem1.guardian.co.uk
  • gnmrem2.guardian.co.uk
  • go2.guardian.co.uk
  • guardian.co.uk
  • hadrian.guardian.co.uk
  • healthcarejobs.guardian.co.uk
  • highereducationjobs.guardian.co.uk
  • hits-secure.guardian.co.uk
  • hits.guardian.co.uk
  • housingjobs.guardian.co.uk
  • ichbin.guardian.co.uk
  • image.guardian.co.uk
  • iniage.guardian.co.uk
  • ios-products.guardian.co.uk
  • ios-purchases.guardian.co.uk
  • ivww.guardian.co.uk
  • jbl.guardian.co.uk
  • jobs-test.guardian.co.uk
  • jobs.guardian.co.uk
  • jobsadvice.guardian.co.uk
  • jobtalk.guardian.co.uk
  • kantarmedia.guardian.co.uk
  • kipling.guardian.co.uk
  • languages.guardian.co.uk
  • lifeandhealth.guardian.co.uk
  • lifeandstyle.guardian.co.uk
  • localgovernmentjobs.guardian.co.uk
  • m.guardian.co.uk
  • m.jobs.guardian.co.uk
  • mdating.guardian.co.uk
  • media.guardian.co.uk
  • mediatalk.guardian.co.uk
  • mjobs.guardian.co.uk
  • money.guardian.co.uk
  • moneytalk.guardian.co.uk
  • mps-expenses.guardian.co.uk
  • mps-expenses2.guardian.co.uk
  • music.guardian.co.uk
  • mvw.guardian.co.uk
  • mx01.guardian.co.uk
  • mx02.guardian.co.uk
  • mx03.guardian.co.uk
  • mx04.guardian.co.uk
  • n-115-249.guardian.co.uk
  • n-116-249.guardian.co.uk
  • n-122-249.guardian.co.uk
  • n-77-249.guardian.co.uk
  • n-78-249.guardian.co.uk
  • n-82-248.guardian.co.uk
  • n-82-249.guardian.co.uk
  • nat-113-249.guardian.co.uk
  • nat-123-248.guardian.co.uk
  • nat-123-249.guardian.co.uk
  • nat-124-248.guardian.co.uk
  • nat-124-249.guardian.co.uk
  • nat-125-248.guardian.co.uk
  • nat-125-249.guardian.co.uk
  • nat-126-248.guardian.co.uk
  • nat-126-249.guardian.co.uk
  • nat-62-249.guardian.co.uk
  • nat-66-249.guardian.co.uk
  • nat-67-248.guardian.co.uk
  • nat-67-249.guardian.co.uk
  • nat-68-248.guardian.co.uk
  • nat-68-249.guardian.co.uk
  • nat-69-248.guardian.co.uk
  • nat-69-249.guardian.co.uk
  • nat-76-248.guardian.co.uk
  • nat-76-249.guardian.co.uk
  • nat-77-248.guardian.co.uk
  • nat-78-248.guardian.co.uk
  • nat-79-248.guardian.co.uk
  • nat-79-249.guardian.co.uk
  • norn.guardian.co.uk
  • notifications.guardian.co.uk
  • nq.guardian.co.uk
  • ns01.guardian.co.uk
  • ns02.guardian.co.uk
  • observer.guardian.co.uk
  • online.guardian.co.uk
  • pages.mail.guardian.co.uk
  • photographers-wanted.guardian.co.uk
  • politics.guardian.co.uk
  • politicstalk.guardian.co.uk
  • poltics.guardian.co.uk
  • post.guardian.co.uk
  • publicleadersjobs.guardian.co.uk
  • purple.guardian.co.uk
  • purple01.guardian.co.uk
  • purple51.guardian.co.uk
  • q-and-a.guardian.co.uk
  • recruitnet.guardian.co.uk
  • redirect.guardian.co.uk
  • redstkam.guardian.co.uk
  • register.guardian.co.uk
  • related-info.guardian.co.uk
  • remote1.guardian.co.uk
  • remote2.guardian.co.uk
  • reports.guardian.co.uk
  • research.guardian.co.uk
  • schoolsjobs.guardian.co.uk
  • search.guardian.co.uk
  • second-screen.guardian.co.uk
  • shoppingtalk.guardian.co.uk
  • signup.guardian.co.uk
  • snow.guardian.co.uk
  • society.guardian.co.uk
  • societytalk.guardian.co.uk
  • sport.guardian.co.uk
  • status.guardian.co.uk
  • stream.guardian.co.uk
  • subscribe.guardian.co.uk
  • syndication.guardian.co.uk
  • talk.guardian.co.uk
  • technology.guardian.co.uk
  • toscana.guardian.co.uk
  • toscana1.guardian.co.uk
  • travelbeta.guardian.co.uk
  • traveltalk.guardian.co.uk
  • users.guardian.co.uk
  • view.mail.guardian.co.uk
  • voluntarysectorjobs.guardian.co.uk
  • webapps01.guardian.co.uk
  • webmail.guardian.co.uk
  • webmail01.guardian.co.uk
  • webmail02.guardian.co.uk
  • witness.guardian.co.uk
  • work.guardian.co.uk
  • worktalk.guardian.co.uk
  • wwvti.guardian.co.uk
  • www-origin.guardian.co.uk
  • www.guardian.co.uk
  • www.jobs.guardian.co.uk
  • wwww.guardian.co.uk
Email

Email Security Posture

SPF and DMARC presence and records for guardian.co.uk, plus DKIM keys auto-probed across 29 common selectors (Google Workspace, Microsoft 365, Mailchimp, SendGrid, Postmark and more).

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 3 selectors found
google._domainkey.guardian.co.uk
  • v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3aMJPh9icd3K+pyRu6SD0YvBJw4eccRC9PycXu7/fnPRQ5MCz/Fo3mnLaivZpcvfo1X5PMMZPqJtj/g0yaoH94BaM6UWh0Hhh+nyUbvXSenuJ4ctaQ7vXRKwPhknKEYEIXYb9C40yA6SHGO9ErRpCZ87VuZErl8husSORdgLGNvxjmEJHVS8NeLnjigb13h80yTn14m+GMU1M2p+4nJEt/s2CjkrghLmalT9fVopY2yuAqDfvYx8cyHcllBHotArlwlPR1Hi0oRtUGAC+vqvdLZStNLHgyao8MnrzY/9CTaUwg+JjRzdC6toVxpW5ZGJ4Y1QSttauPwtWpwUmHwnewIDAQAB
k2._domainkey.guardian.co.uk
  • v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB;
k3._domainkey.guardian.co.uk
  • v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUqSvfSX40x9R1OlRtbNiCY80lHRIlcKx3XDIR7257aUx+q9CSIARdfTL6KCuLGNFx5g9TgVr6png4ajcieSQGtOehBgxnkDN8aAA5TX0FmFrcefJU0JoxLOF09EKgXxhSSHCk/ekVb0PXSboHXoZ9+EI404F1qhcwXXIgHXTaUthHTut2P6BBZhIXIgvDe/w49GchR7MRJqjNb7neEBbYHbgWuBTvvHCg7Gy6m6n9krYK+ROWq3dVvXy9plAGK3ygM+HtjIiMt7arRGMOF0WgDTz7YdN9BGpt6BvXxLnjiQcgS5T9n+cIyPZgiWzDMXNlaEEdKTEKxrwIDAQAB;

Probed common selectors (Google, Microsoft 365, Mailchimp, SendGrid, etc.). Custom or hash-based selectors aren't auto-discoverable.

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