Check-Host.cc

Domain

who.is

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

Run a live full scan of who.is

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
100.49.211.89, 100.49.36.99, 100.50.106.133, 18.211.38.8, 3.215.198.129, 3.224.122.215, 3.225.168.113, 34.197.157.70
AAAA
MX
1 smtp.google.com, 10 inbound-smtp.us-east-1.amazonaws.com
NS
ns-1048.awsdns-03.org, ns-1741.awsdns-25.co.uk, ns-232.awsdns-29.com, ns-540.awsdns-03.net
TXT
google-site-verification=5ixNJSwVDHBWHAGNHND7kyYj-IB1sGL-rmtq1Aoeplo, google-site-verification=7H-RfKJUsS1WHpODWcpJEJgF7lktM1GepxdhUq7phcQ, google-site-verification=oLW2qDgn-fqfI5FbmSTvDUXCLVKWL85jSwCJ3dRgSBM, v=spf1 include:_spf.google.com include:retailSPF.smtp.com ?all, v=spf1 include:retailSPF.smtp.com ?all
CNAME
CAA

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

Subject: who.is
Issuer: Amazon RSA 2048 M04
SANs: *.aboutus.com, *.aboutus.net, *.aboutus.org, *.who.is, aboutus.com, aboutus.net, aboutus.org, who.is
Subject: who.is
Issuer: Amazon RSA 2048 M04
SANs: *.aboutus.com, *.aboutus.net, *.aboutus.org, *.who.is, aboutus.com, aboutus.net, aboutus.org, who.is

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

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.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

22b26d52f6c0c996… cloudflare · nimbus2026
Subject: who.is
Issuer: Amazon RSA 2048 M04
SANs: who.is, *.aboutus.com, aboutus.com, *.who.is, aboutus.net, *.aboutus.org, *.aboutus.net, aboutus.org
Valid: 2025-07-26 00:00:00 → 2026-08-23 23:59:59
bdff548045f7034e… cloudflare · nimbus2026
Subject: who.is
Issuer: Amazon RSA 2048 M04
SANs: who.is, *.aboutus.com, aboutus.com, *.who.is, aboutus.net, *.aboutus.org, *.aboutus.net, aboutus.org
Valid: 2025-07-26 00:00:00 → 2026-08-23 23:59:59

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
NS ns-540.awsdns-03.net 2026-05-26 02:34:00.508 2026-07-28 10:49:00.176
NS ns-232.awsdns-29.com 2026-05-26 02:34:00.508 2026-07-28 10:49:00.176
A 34.230.121.206 2026-05-26 02:34:00.508 2026-05-26 02:34:00.508
A 98.80.27.187 2026-05-26 02:34:00.508 2026-05-26 02:34:00.508
TXT google-site-verification=5ixNJSwVDHBWHAGNHND7kyYj-IB1sGL-rmtq1Aoeplo 2026-05-26 02:34:00.508 2026-07-28 10:49:00.176
NS ns-1741.awsdns-25.co.uk 2026-05-26 02:34:00.508 2026-07-28 10:49:00.176
TXT v=spf1 include:retailSPF.smtp.com ?all 2026-05-26 02:34:00.508 2026-06-23 10:49:42.023
TXT google-site-verification=oLW2qDgn-fqfI5FbmSTvDUXCLVKWL85jSwCJ3dRgSBM 2026-05-26 02:34:00.508 2026-07-28 10:49:00.176
NS ns-1048.awsdns-03.org 2026-05-26 02:34:00.508 2026-07-28 10:49:00.176
A 54.159.12.42 2026-05-26 06:22:57.651 2026-05-27 16:39:03.284
A 52.54.121.63 2026-05-26 06:22:57.651 2026-05-27 16:39:03.284
MX 10 inbound-smtp.us-east-1.amazonaws.com 2026-06-14 22:52:09.672 2026-06-23 10:49:42.023
A 3.225.168.113 2026-06-14 22:52:09.672 2026-06-23 10:49:42.023
A 34.197.157.70 2026-06-14 22:52:09.672 2026-06-23 10:49:42.023
A 100.50.106.133 2026-07-15 20:04:13.980 2026-07-15 20:04:13.980
MX 1 smtp.google.com 2026-07-15 20:04:13.980 2026-07-28 10:49:00.176
TXT v=spf1 include:_spf.google.com include:retailSPF.smtp.com ?all 2026-07-15 20:04:13.980 2026-07-28 10:49:00.176
A 3.224.122.215 2026-07-15 20:04:13.980 2026-07-15 20:04:13.980
TXT google-site-verification=7H-RfKJUsS1WHpODWcpJEJgF7lktM1GepxdhUq7phcQ 2026-07-15 20:04:13.980 2026-07-28 10:49:00.176
A 18.211.38.8 2026-07-19 20:03:33.027 2026-07-25 15:54:13.571
A 100.49.211.89 2026-07-19 20:03:33.027 2026-07-25 15:54:13.571
A 100.49.36.99 2026-07-26 14:11:12.026 2026-07-26 14:11:12.026
A 52.202.221.205 2026-07-26 14:11:12.026 2026-07-26 14:11:12.026
A 3.215.198.129 2026-07-28 10:49:00.176 2026-07-28 10:49:00.176
A 50.17.65.106 2026-07-28 10:49:00.176 2026-07-28 10:49:00.176