Check-Host.cc

Domain

apps.facebook.com

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

Run a live full scan of apps.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, 157.240.196.17, 157.240.253.13, 157.240.27.18, 157.240.9.18, 57.144.222.141, 57.144.244.141, 57.144.248.141
AAAA
2a03:2880:f028:11:face:b00c:0:2, 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:f37a: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

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
AAAA 2a03:2880:f03f:12:face:b00c:0:2 2026-05-26 00:24:59.887 2026-06-20 05:34:35.220
A 157.240.27.18 2026-05-26 00:24:59.887 2026-07-26 09:28:25.968
TXT v=spf1 a ~all 2026-05-26 00:24:59.887 2026-07-31 01:03:43.234
MX 10 smtpin.vvv.facebook.com 2026-05-26 00:24:59.887 2026-07-31 01:03:43.234
AAAA 2a03:2880:f083:10e:face:b00c:0:2 2026-05-26 00:28:48.843 2026-06-20 22:28:47.179
A 157.240.0.13 2026-05-26 02:59:13.593 2026-07-22 14:35:39.869
AAAA 2a03:2880:f084:10d:face:b00c:0:2 2026-05-26 02:59:13.593 2026-07-22 14:35:39.869
A 157.240.253.13 2026-05-26 07:11:25.510 2026-06-23 18:22:49.720
AAAA 2a03:2880:f37c:8d:face:b00c:0:2 2026-05-26 07:11:25.510 2026-06-23 01:26:56.827
A 57.144.248.141 2026-05-26 09:33:54.041 2026-05-27 13:42:43.904
A 57.144.244.141 2026-05-27 00:13:06.125 2026-07-28 12:54:15.595
AAAA 2a03:2880:f37a:8d:face:b00c:0:2 2026-05-27 13:42:43.904 2026-06-23 11:50:58.464
A 57.144.222.141 2026-06-02 16:54:40.408 2026-07-31 01:03:43.234
AAAA 2a03:2880:f36f:8d:face:b00c:0:2 2026-06-14 22:08:58.337 2026-07-31 01:03:43.234
A 157.240.196.17 2026-06-15 00:07:36.295 2026-06-15 00:07:36.295
AAAA 2a03:2880:f028:11:face:b00c:0:2 2026-07-22 08:20:08.673 2026-07-31 01:02:37.406
A 157.240.9.18 2026-07-23 04:49:13.502 2026-07-31 01:02:37.406