Check-Host.cc

Domain

data.relay.cool

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

Run a live full scan of data.relay.cool

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
6
A/AAAA targets
Subdomains
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
18.188.80.115, 18.224.175.202, 3.141.175.75, 3.150.171.55, 3.20.136.80, 3.20.94.58
AAAA
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: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: *.data.relay.cool, data.relay.cool
Subject: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: *.data.relay.cool, data.relay.cool
Subject: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: *.data.relay.cool, data.relay.cool

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.

266900e815a347ba… google · argon2026h2
Subject: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: data.relay.cool, *.data.relay.cool
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
e17732ba9f0f4796… google · argon2026h2
Subject: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: data.relay.cool, *.data.relay.cool
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
266900e815a347ba… google · xenon2026h2
Subject: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: data.relay.cool, *.data.relay.cool
Valid: 2025-11-21 00:00:00 → 2026-12-20 23:59:59
e17732ba9f0f4796… google · xenon2026h2
Subject: data.relay.cool
Issuer: Amazon RSA 2048 M01
SANs: data.relay.cool, *.data.relay.cool
Valid: 2025-11-21 00:00:00 → 2026-12-20 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
A 18.188.80.115 2026-05-26 02:43:02.200 2026-05-26 22:05:29.806
A 18.224.175.202 2026-05-26 02:43:02.200 2026-05-26 22:05:29.806
A 3.150.171.55 2026-05-26 02:43:02.200 2026-05-26 22:05:29.806
A 3.141.175.75 2026-06-15 06:47:12.964 2026-06-15 06:51:28.996
A 3.20.136.80 2026-06-15 06:47:12.964 2026-06-15 06:51:28.996
A 3.20.94.58 2026-06-15 06:47:12.964 2026-06-15 06:51:28.996