Check-Host.cc

Domain

ahrefs.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of ahrefs.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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Hosting IPs
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
104.18.39.141, 172.64.148.115
AAAA
2606:4700:4404::ac40:9473, 2606:4700:440b::6812:278d, 2606:4700:440d::ac40:9473, 2a06:98c1:3106::6812:278d
MX
10 aspmx.l.google.com, 20 alt1.aspmx.l.google.com, 30 alt2.aspmx.l.google.com, 40 aspmx2.googlemail.com, 50 aspmx3.googlemail.com
NS
adam.ns.cloudflare.com, yolanda.ns.cloudflare.com
TXT
MS=ms30123980, ZOOM_verify_vwLxddoJ4BT7INd3pWZ29h, _czurbfl9lcsmxcfm7e8rcm1go23ugsh, ahrefs-site-verification_7f23931093dcaea634532fe48680938642809321bfb6d2eedcefdc2b180c0690, anthropic-domain-verification-e2z6y4=vsM2WEZSOKgqjdfmonv4R11Bn, cursor-domain-verification-g7a9ep=eh80vslD0Dk9aAMP9AnlcfPhI, facebook-domain-verification=td8brmt3wu6dbdsm0q071p91in8qx8, google-site-verification=K5q-tV3hv4u12bcTGUTuPX9tGJO8bamXuVkoK41nHnI
CNAME
CAA
0 issue "comodoca.com", 0 issue "digicert.com; cansignhttpexchanges=yes", 0 issue "letsencrypt.org", 0 issue "pki.goog; cansignhttpexchanges=yes", 0 issue "ssl.com", 0 issuewild "comodoca.com", 0 issuewild "digicert.com; cansignhttpexchanges=yes", 0 issuewild "letsencrypt.org"

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

188.137.225.25:443 href · ×8
43.154.68.239:443 href · ×3
45.128.220.38:443 href · ×2
43.156.59.126:443 href · ×2
89.117.55.87:80 href · ×2
161.35.226.53:443 href · ×2
139.196.192.34:443 href · ×2
160.16.228.59:80 href · ×1
123.56.169.116:443 href · ×1
81.68.215.194:443 href · ×1
134.209.117.220:443 href · ×1
146.190.124.60:443 href · ×1
3.109.32.38:80 href · ×1
37.27.8.93:443 href · ×1
18.225.87.15:443 href · ×1
18.225.87.15:443 og:url · ×1
18.119.64.251:443 href · ×1
146.59.77.240:443 href · ×1
134.122.80.8:80 href · ×1
161.116.196.228:443 href · ×1
165.232.46.83:443 href · ×1
134.209.117.220:80 href · ×1

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

Origin IP Origin ASN CDN ASN Confidence Reasoning
209.146.32.112 AS174 AS13335 95% cert 932368e2… served by 209.146.32.112 (AS174) carries SAN ahrefs.com which currently resolves through Cloudflare (AS13335) at 172.64.148.115, 104.18.39.141, 2606:4700:440d::ac40:9473, 2606:4700:440b::6812:278d
37.230.115.100 AS29182 AS13335 95% cert b8f07cc3… served by 37.230.115.100 (AS29182) carries SAN ahrefs.com which currently resolves through Cloudflare (AS13335) at 172.64.148.115, 104.18.39.141, 2606:4700:440d::ac40:9473, 2606:4700:440b::6812:278d
168.100.140.249 AS140577 AS13335 95% cert 932368e2… served by 168.100.140.249 (AS140577) carries SAN ahrefs.com which currently resolves through Cloudflare (AS13335) at 172.64.148.115, 104.18.39.141, 2606:4700:440d::ac40:9473, 2606:4700:440b::6812:278d

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
MX 40 aspmx2.googlemail.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issue "letsencrypt.org" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
MX 20 alt1.aspmx.l.google.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT google-site-verification=K5q-tV3hv4u12bcTGUTuPX9tGJO8bamXuVkoK41nHnI 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT probo-verification=dc9164e38ce33d0443651434cf3706d3 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT MS=ms30123980 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
NS yolanda.ns.cloudflare.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
A 172.64.148.115 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT ahrefs-site-verification_7f23931093dcaea634532fe48680938642809321bfb6d2eedcefdc2b180c0690 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT tiktok-developers-site-verification=nNjA0IcpClOFdXhOtTktyLW5yxjVINlo 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT facebook-domain-verification=td8brmt3wu6dbdsm0q071p91in8qx8 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
A 104.18.39.141 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
MX 50 aspmx3.googlemail.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issue "pki.goog; cansignhttpexchanges=yes" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT stripe-verification=5050a531839b76be29b99cc3258d7154e48a08398c8055b83f2a459946a61fb1 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
MX 30 alt2.aspmx.l.google.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT stripe-verification=ca8ab9acd029bc87973ee8fb44bbe9869f1766dd5d5eff0c90e67913fcde2060 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
MX 10 aspmx.l.google.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT rippling-domain-verification=ab40c9f77084cd92 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT lovable_verification=5OlFH5uw1DaIdLO8ENO7 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
AAAA 2a06:98c1:3106::6812:278d 2026-05-26 02:30:04.450 2026-06-26 02:05:01.915
TXT stripe-verification=CB383DD55808E99BCC1075D20642A09F2CB558B7F3AA059ACD8C0E8556DB986A 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT letaido-domain-verification-zhgccj=K4iuIIIGIrzZZj5O7Mfjw8fqy 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issue "ssl.com" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issue "comodoca.com" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT linear-domain-verification=p6kyij7memdw 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT v=spf1 include:sendgrid.net include:_spf.google.com include:spf.mail.intercom.io include:servers.mcsv.net include:mg-spf.greenhouse.io ~all 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT _czurbfl9lcsmxcfm7e8rcm1go23ugsh 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
AAAA 2606:4700:4404::ac40:9473 2026-05-26 02:30:04.450 2026-06-26 02:05:01.915
CAA 0 issuewild "ssl.com" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT openai-domain-verification=dv-F3FZfMZ7tyPEwJUf4jrwRTXa 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT ZOOM_verify_vwLxddoJ4BT7INd3pWZ29h 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
NS adam.ns.cloudflare.com 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT anthropic-domain-verification-e2z6y4=vsM2WEZSOKgqjdfmonv4R11Bn 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issue "digicert.com; cansignhttpexchanges=yes" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issuewild "comodoca.com" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT google-site-verification=V7LJIPB3UIcXIvbUUew6uuGP0WRmaOSRQ-I3si_JLBI 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issuewild "letsencrypt.org" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT notion_verify_t!EL~G#eXVsE0X1T+Gn>8=>.dNj_p#9k774,Y}Xjz!K+J._bZ+ms!?eHE?5tz72.h_kAv% 2026-05-26 02:30:04.450 2026-07-28 11:44:59.719
TXT cursor-domain-verification-g7a9ep=eh80vslD0Dk9aAMP9AnlcfPhI 2026-07-14 19:59:57.881 2026-07-28 11:44:59.719
AAAA 2606:4700:440b::6812:278d 2026-07-15 20:04:13.980 2026-07-28 11:44:59.719
AAAA 2606:4700:440d::ac40:9473 2026-07-15 20:04:13.980 2026-07-28 11:44:59.719