Check-Host.cc

Domain

acebook.com

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

Run a live full scan of acebook.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, 179.60.195.7, 31.13.72.8, 57.144.120.141, 57.144.222.141
AAAA
2a03:2880:f00a:8:face:b00c:0:2, 2a03:2880:f021:6: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:f08e:4:face:b00c:0:2, 2a03:2880:f33c:8d:face:b00c:0:2, 2a03:2880:f36f:8d:face:b00c:0:2
MX
NS
a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com
TXT
v=spf1 -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

Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.extern.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.extern.facebook.com, extern.facebook.com
Subject: *.secure.latest.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.secure.latest.facebook.com, secure.latest.facebook.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.secure.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.secure.facebook.com, secure.facebook.com
Subject: *.extern.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.extern.facebook.com, extern.facebook.com
Subject: *.secure.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.secure.facebook.com, secure.facebook.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
Subject: *.facebook.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com

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
NS a.ns.facebook.com 2026-05-25 22:44:53.378 2026-07-14 20:14:55.325
AAAA 2a03:2880:f03f:12:face:b00c:0:2 2026-05-25 22:44:53.378 2026-06-26 02:05:01.915
NS b.ns.facebook.com 2026-05-25 22:44:53.378 2026-07-14 20:14:55.325
TXT v=spf1 -all 2026-05-25 22:44:53.378 2026-07-14 20:14:55.325
A 157.240.0.13 2026-05-25 22:44:53.378 2026-06-26 01:31:22.086
NS c.ns.facebook.com 2026-05-25 22:44:53.378 2026-07-14 20:14:55.325
NS d.ns.facebook.com 2026-05-25 22:44:53.378 2026-07-14 20:14:55.325
AAAA 2a03:2880:f37a:8d:face:b00c:0:2 2026-05-31 18:44:51.117 2026-06-26 01:50:57.686
A 57.144.244.141 2026-05-31 18:44:51.117 2026-06-26 02:00:25.155
A 157.240.27.18 2026-05-31 18:48:47.514 2026-06-26 00:32:55.503
AAAA 2a03:2880:f37c:8d:face:b00c:0:2 2026-05-31 18:48:47.514 2026-06-25 23:11:32.622
AAAA 2a03:2880:f36f:8d:face:b00c:0:2 2026-06-01 16:54:24.934 2026-06-26 01:46:03.703
A 57.144.248.141 2026-06-01 16:54:24.934 2026-06-26 02:05:01.915
A 57.144.222.141 2026-06-01 16:57:54.497 2026-06-26 01:36:28.427
A 157.240.253.13 2026-06-01 17:13:55.716 2026-06-26 01:55:32.249
AAAA 2a03:2880:f084:10d:face:b00c:0:2 2026-06-01 17:20:42.815 2026-06-26 02:00:25.155
AAAA 2a03:2880:f083:10e:face:b00c:0:2 2026-06-01 17:34:12.198 2026-06-26 01:05:02.691
A 179.60.195.7 2026-06-01 20:33:33.404 2026-06-25 10:02:06.075
AAAA 2a03:2880:f021:6:face:b00c:0:2 2026-06-02 01:47:33.598 2026-06-25 23:47:08.161
A 57.144.120.141 2026-06-02 04:10:13.987 2026-06-02 04:13:34.142
AAAA 2a03:2880:f33c:8d:face:b00c:0:2 2026-06-02 13:21:44.954 2026-06-02 13:21:44.954
A 57.144.68.141 2026-06-05 03:22:55.565 2026-06-05 03:22:55.565
AAAA 2a03:2880:f08e:4:face:b00c:0:2 2026-06-05 07:01:04.432 2026-06-05 07:01:04.432
A 157.240.196.17 2026-06-05 11:08:27.867 2026-06-05 11:08:27.867
AAAA 2a03:2880:f00a:8:face:b00c:0:2 2026-06-25 14:19:33.324 2026-06-25 23:33:53.307
A 31.13.72.8 2026-06-25 21:53:03.684 2026-06-25 21:53:03.684