Check-Host.cc

Domain

fb.audio

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

Run a live full scan of fb.audio

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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Hosting IPs
11
A/AAAA targets
Subdomains
12
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
682
in our scans

DNS Records

A
157.240.0.13, 157.240.253.13, 157.240.27.18, 57.144.222.141, 57.144.244.141
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:f37a:8d:face:b00c:0:2, 2a03:2880:f37c:8d:face:b00c:0:2
MX
NS
a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com
TXT
dqln2lb37d5683jthfyw683331yzplsy, 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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

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.

0cd6c4d8a262820e… google · argon2026h2
Subject: *.fb.audio
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.fb.audio, fb.audio
Valid: 2026-08-06 00:00:00 → 2026-11-04 23:59:59
c675ff77b4e67499… cloudflare · nimbus2026
Subject: *.fb.audio
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.fb.audio, fb.audio
Valid: 2026-05-29 00:00:00 → 2026-08-27 23:59:59
4a6fde1db5b82d68… cloudflare · nimbus2026
Subject: *.fb.audio
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.fb.audio, fb.audio
Valid: 2026-05-15 00:00:00 → 2026-08-13 23:59:59
4a6fde1db5b82d68… google · xenon2026h2
Subject: *.fb.audio
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.fb.audio, fb.audio
Valid: 2026-05-15 00:00:00 → 2026-08-13 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 157.240.0.13 2026-06-04 21:24:28.349 2026-07-21 10:45:46.112
NS c.ns.facebook.com 2026-06-04 21:24:28.349 2026-08-06 06:53:56.023
TXT v=spf1 a ~all 2026-06-04 21:24:28.349 2026-08-06 06:53:56.023
TXT dqln2lb37d5683jthfyw683331yzplsy 2026-06-04 21:24:28.349 2026-08-06 06:53:56.023
AAAA 2a03:2880:f083:10e:face:b00c:0:2 2026-06-04 21:24:28.349 2026-06-04 21:24:28.349
NS d.ns.facebook.com 2026-06-04 21:24:28.349 2026-08-06 06:53:56.023
NS b.ns.facebook.com 2026-06-04 21:24:28.349 2026-08-06 06:53:56.023
NS a.ns.facebook.com 2026-06-04 21:24:28.349 2026-08-06 06:53:56.023
AAAA 2a03:2880:f36f:8d:face:b00c:0:2 2026-06-15 06:41:09.100 2026-08-06 06:45:55.402
A 57.144.222.141 2026-06-15 06:41:09.100 2026-08-06 06:45:55.402
AAAA 2a03:2880:f03f:12:face:b00c:0:2 2026-06-19 14:36:01.059 2026-06-20 06:41:46.428
A 157.240.27.18 2026-06-20 06:41:46.428 2026-06-20 06:41:46.428
AAAA 2a03:2880:f37c:8d:face:b00c:0:2 2026-06-22 11:04:31.018 2026-08-06 06:53:56.023
A 57.144.244.141 2026-06-23 20:13:35.709 2026-06-23 20:13:35.709
AAAA 2a03:2880:f37a:8d:face:b00c:0:2 2026-06-23 20:13:35.709 2026-06-23 20:13:35.709
AAAA 2a03:2880:f084:10d:face:b00c:0:2 2026-07-19 17:43:22.063 2026-07-21 10:45:46.112
A 157.240.253.13 2026-08-06 06:53:56.023 2026-08-06 06:53:56.023