Check-Host.cc
Domain

400ff.com

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

Run a live full scan of 400ff.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
2
A/AAAA targets
Subdomains
4
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
3
in our scans

DNS Records

A
38.12.92.130, 38.6.188.131
AAAA
MX
NS
darwin.ns.cloudflare.com, kia.ns.cloudflare.com
TXT
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
400ff.com 2026-08-25 21:54:50.768

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.

28ac32bbba6e6a70… digicert · wyvern2026h2
Subject: 400ff.com
Issuer: YR2
SANs: 400ff.com
Valid: 2026-08-12 18:29:03 → 2026-11-10 18:29:02
75b06c145bb8bb19… google · argon2026h2
Subject: 400ff.com
Issuer: YR2
SANs: 400ff.com
Valid: 2026-08-12 18:29:03 → 2026-11-10 18:29:02
8f2573d9623f5361… digicert · wyvern2026h2
Subject: 400ff.com
Issuer: WE1
SANs: 400ff.com, *.400ff.com
Valid: 2026-06-01 08:13:53 → 2026-08-30 09:08:35

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
A 38.6.188.131 2026-08-17 09:49:45.340 2026-08-25 21:54:50.768
NS kia.ns.cloudflare.com 2026-08-17 09:49:45.340 2026-08-25 21:54:50.768
NS darwin.ns.cloudflare.com 2026-08-17 09:49:45.340 2026-08-25 21:54:50.768
A 38.12.92.130 2026-08-17 09:49:45.340 2026-08-25 21:54:50.768