Check-Host.cc

Domain

ai.facebook.com

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

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

DNS Records

A
157.240.0.13, 157.240.253.13, 157.240.27.18, 57.144.222.141, 57.144.248.141
AAAA
2a03:2880:f03f:12:face:b00c:0:2, 2a03:2880:f083:10e:face:b00c:0:2, 2a03:2880:f084:10d:face:b00c:0:2, 2a03:2880:f36f:8d:face:b00c:0:2, 2a03:2880:f37c:8d:face:b00c:0:2
MX
10 smtpin.vvv.facebook.com
NS
TXT
v=spf1 a ~all
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.

140.112.90.196:443 href · ×2
67.215.235.58:443 href · ×2
142.171.142.190:443 href · ×2
138.197.142.253:80 href · ×1
152.66.244.8:443 href · ×1
35.223.253.38:80 href · ×1
8.138.123.163:443 href · ×1
139.150.75.31:80 href · ×1

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
TXT v=spf1 a ~all 2026-05-26 02:59:13.593 2026-07-28 18:27:17.459
AAAA 2a03:2880:f083:10e:face:b00c:0:2 2026-05-26 02:59:13.593 2026-06-21 18:38:24.519
A 157.240.253.13 2026-05-26 02:59:13.593 2026-05-26 02:59:13.593
MX 10 smtpin.vvv.facebook.com 2026-05-26 02:59:13.593 2026-07-28 18:27:17.459
AAAA 2a03:2880:f03f:12:face:b00c:0:2 2026-05-26 12:37:21.914 2026-06-20 03:40:19.567
A 57.144.248.141 2026-05-26 12:37:21.914 2026-05-27 11:30:34.293
A 157.240.27.18 2026-05-26 14:11:21.319 2026-05-26 14:11:21.319
AAAA 2a03:2880:f37c:8d:face:b00c:0:2 2026-05-27 11:30:34.293 2026-05-27 11:30:34.293
A 57.144.222.141 2026-06-19 14:32:43.375 2026-07-28 18:27:17.459
A 157.240.0.13 2026-06-20 03:40:19.567 2026-06-20 03:40:19.567
AAAA 2a03:2880:f084:10d:face:b00c:0:2 2026-07-24 03:54:40.750 2026-07-28 18:27:17.459
AAAA 2a03:2880:f36f:8d:face:b00c:0:2 2026-07-28 18:18:26.354 2026-07-28 18:18:26.354