Check-Host.cc

Domain

api.crossbar.org

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

Run a live full scan of api.crossbar.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
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
3.216.248.202, 54.165.12.75, 54.225.85.24
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

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.

42eb429c20e1447d… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: R12
SANs: api.crossbar.org
Valid: 2025-12-21 13:04:59 → 2026-03-21 13:04:58
653fd8fb8cbd64ce… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: R12
SANs: api.crossbar.org
Valid: 2025-10-22 14:03:21 → 2026-01-20 14:03:20
d7a071837845491f… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: R12
SANs: api.crossbar.org
Valid: 2025-10-22 14:03:18 → 2026-01-20 14:03:17
7d33bd924e1a2acf… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: ZeroSSL RSA Domain Secure Site CA
SANs: api.crossbar.org
Valid: 2025-10-22 00:00:00 → 2026-01-20 23:59:59
a04df7a47b9a2d78… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: ZeroSSL RSA Domain Secure Site CA
SANs: api.crossbar.org
Valid: 2025-10-22 00:00:00 → 2026-01-20 23:59:59
ed5e69e05d0c316a… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: ZeroSSL RSA Domain Secure Site CA
SANs: api.crossbar.org
Valid: 2025-10-22 00:00:00 → 2026-01-20 23:59:59
f3a51b843701d825… sectigo · elephant2026h1
Subject: api.crossbar.org
Issuer: ZeroSSL RSA Domain Secure Site CA
SANs: api.crossbar.org
Valid: 2025-10-22 00:00:00 → 2026-01-20 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 3.216.248.202 2026-06-03 19:04:22.363 2026-07-17 00:21:25.403
A 54.165.12.75 2026-06-03 19:04:22.363 2026-07-17 00:21:25.403
A 54.225.85.24 2026-06-03 19:04:22.363 2026-07-17 00:21:25.403