Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

source.fs139.com

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

DNS Check HTTP Check Run Full Scan .com TLD

Run a live full scan of source.fs139.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
6
A/AAAA targets
Subdomains
—
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
—
in our scans

DNS Records

A
104.21.12.41, 172.67.193.166
AAAA
2606:4700:3030::6815:c29, 2606:4700:3032::ac43:c1a6, 2606:4700:3034::6815:c29, 2606:4700:3035::ac43:c1a6
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

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

103.38.80.53:80 href · ×72
219.234.2.143:443 href · ×10
219.234.2.136:443 href · ×10
219.234.2.146:443 href · ×10
154.219.120.11:443 href · ×6
219.234.2.154:80 href · ×6
219.234.2.148:443 href · ×5
219.234.2.130:443 href · ×5
219.234.2.178:443 href · ×5
219.234.2.175:443 href · ×5
219.234.2.173:443 href · ×5
219.234.2.186:443 href · ×5
219.234.2.159:443 href · ×5
219.234.2.165:443 href · ×5
219.234.2.147:443 href · ×5
219.234.2.161:443 href · ×5
219.234.2.156:443 href · ×5
219.234.2.180:443 href · ×5
219.234.2.132:443 href · ×5
219.234.2.144:443 href · ×5
219.234.2.179:443 href · ×5
219.234.2.182:443 href · ×5
219.234.2.158:443 href · ×5
219.234.2.148:80 href · ×3
219.234.2.143:80 href · ×3
219.234.2.179:80 href · ×3
219.234.2.139:80 href · ×3
219.234.2.142:80 href · ×3
219.234.2.168:80 href · ×3
219.234.2.181:80 href · ×3
219.234.2.169:80 href · ×3
219.234.2.153:80 href · ×3
219.234.2.132:80 href · ×3
219.234.2.178:80 href · ×3
219.234.2.162:80 href · ×3
219.234.2.130:80 href · ×3
219.234.2.136:80 href · ×3
219.234.2.149:80 href · ×3
219.234.2.170:80 href · ×3

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
AAAA 2606:4700:3035::ac43:c1a6 2026-05-25 22:02:50.525 2026-06-23 13:41:24.237
A 172.67.193.166 2026-05-25 22:02:50.525 2026-07-28 18:45:26.399
A 104.21.12.41 2026-05-25 22:02:50.525 2026-07-28 18:45:26.399
AAAA 2606:4700:3034::6815:c29 2026-05-25 22:02:50.525 2026-06-23 13:41:24.237
AAAA 2606:4700:3032::ac43:c1a6 2026-07-16 14:44:37.524 2026-07-28 18:45:26.399
AAAA 2606:4700:3030::6815:c29 2026-07-16 14:44:37.524 2026-07-28 18:45:26.399