Check-Host.cc

Domain

socket5.lichess.org

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

Run a live full scan of socket5.lichess.org

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
2
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
21
in our scans

DNS Records

A
51.38.13.222
AAAA
2001:41d0:344:9200::1
MX
NS
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

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: socket.lichess.org
Issuer: YR2
SANs: cf-socket.lichess.org, cf-socket0.lichess.org, cf-socket1.lichess.org, socket.lichess.org, socket0.lichess.org, socket1.lichess.org, socket2.lichess.org, socket3.lichess.org, socket4.lichess.org, socket5.lichess.org

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.

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 51.38.13.222 2026-06-02 23:51:56.065 2026-07-16 22:03:13.355
AAAA 2001:41d0:344:9200::1 2026-06-02 23:51:56.065 2026-07-16 22:03:13.355