Check-Host.cc
Domain

404.pm

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

Run a live full scan of 404.pm

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
2
A/AAAA targets
Subdomains
12
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
1
in our scans

DNS Records

A
54.36.1.94
AAAA
MX
10 mx.yandex.net
NS
andy.ns.cloudflare.com, vera.ns.cloudflare.com
TXT
google-site-verification=UW1ccc5uv7qCRaK8oJUifiBhDPEcaC3YelavvKm51CA, v=spf1 redirect=_spf.yandex.net, yandex-verification: c8415f16941773d1
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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Subdomain Resolves to Last seen
404.pm 2026-08-09 12:42:56.572
i.404.pm 2026-08-06 13:32:26.211
www.i.404.pm 2026-08-06 13:32:26.211

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

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.

3d7b1b1fed52f736… cloudflare · nimbus2026
Subject: 404.pm
Issuer: YR2
SANs: 404.pm
Valid: 2026-06-16 01:34:45 → 2026-09-14 01:34:44

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
TXT yandex-verification: c8415f16941773d1 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572
MX 10 mx.yandex.net 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572
NS andy.ns.cloudflare.com 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572
NS vera.ns.cloudflare.com 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572
TXT v=spf1 redirect=_spf.yandex.net 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572
TXT google-site-verification=UW1ccc5uv7qCRaK8oJUifiBhDPEcaC3YelavvKm51CA 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572
A 54.36.1.94 2026-06-15 10:46:16.416 2026-08-09 12:42:56.572