Check-Host.cc

Domain

51yffgj.com

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

Run a live full scan of 51yffgj.com

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

Deep-scan now
Hosting IPs
12
A/AAAA targets
Subdomains
2
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
8
in our scans

DNS Records

A
101.226.26.42, 101.226.27.76, 101.227.20.16, 101.227.22.90, 114.80.179.167, 180.163.145.10, 180.163.147.86, 222.73.33.15
AAAA
MX
NS
dns27.hichina.com, dns28.hichina.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
51yffgj.com 2026-05-26 03:28:26.010

Tech Stack

Tech detection pending

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

TLS Certificates

Subject: *.51yffgj.com
Issuer: WoTrus DV Server CA [Run by the Issuer]
SANs: *.51yffgj.com, 51yffgj.com

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.

437010912a405454… google · argon2026h2
Subject: *.51yffgj.com
Issuer: WoTrus DV Server CA [Run by the Issuer]
SANs: *.51yffgj.com, 51yffgj.com
Valid: 2025-11-25 00:00:00 → 2026-11-25 23:59:59
b85368105f927baf… google · argon2026h2
Subject: *.51yffgj.com
Issuer: WoTrus DV Server CA [Run by the Issuer]
SANs: *.51yffgj.com, 51yffgj.com
Valid: 2025-11-25 00:00:00 → 2026-11-25 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 dns28.hichina.com 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 114.80.179.167 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 222.73.33.15 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 61.170.80.65 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 61.170.81.16 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 101.227.22.90 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
NS dns27.hichina.com 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 101.226.27.76 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 101.226.26.42 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 61.170.77.86 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 180.163.145.10 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 61.170.79.73 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 180.163.147.86 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010
A 101.227.20.16 2026-05-26 03:28:26.010 2026-05-26 03:28:26.010