Check-Host.cc

Domain

api.att.com

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

Run a live full scan of api.att.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
150.171.109.101, 150.171.109.198, 150.171.109.34, 150.171.109.35, 150.171.110.52
AAAA
2603:1061:14:21::1, 2603:1061:14:22::1, 2603:1061:14:34::1, 2603:1061:14:64::1, 2603:1061:14:c5::1
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

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.

7147b1e111745e78… google · xenon2026h2
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com
Valid: 2026-04-01 00:00:00 → 2026-10-16 23:59:59
36d27c5a1e9f9c1d… google · argon2026h1
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com
Valid: 2025-03-31 00:00:00 → 2026-05-01 23:59:59
36d27c5a1e9f9c1d… cloudflare · nimbus2026
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com
Valid: 2025-03-31 00:00:00 → 2026-05-01 23:59:59
cbb34f6287458460… cloudflare · nimbus2026
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com, stg-iproxy.bf.sl.attcompute.com, ort-api.att.com
Valid: 2025-01-15 00:00:00 → 2026-02-15 23:59:59
cbb34f6287458460… sectigo · elephant2026h1
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com, stg-iproxy.bf.sl.attcompute.com, ort-api.att.com
Valid: 2025-01-15 00:00:00 → 2026-02-15 23:59:59
8e5c76d87844f137… google · argon2026h1
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com, stg-iproxy.bf.sl.attcompute.com, ort-api.att.com
Valid: 2025-01-15 00:00:00 → 2026-02-15 23:59:59
8e5c76d87844f137… google · xenon2026h1
Subject: api.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: api.att.com, stg-iproxy.bf.sl.attcompute.com, ort-api.att.com
Valid: 2025-01-15 00:00:00 → 2026-02-15 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
AAAA 2603:1061:14:64::1 2026-06-02 15:04:29.310 2026-06-02 15:04:29.310
A 150.171.109.101 2026-06-02 15:04:29.310 2026-06-02 15:04:29.310
AAAA 2603:1061:14:c5::1 2026-06-16 16:05:39.280 2026-06-16 16:05:39.280
A 150.171.109.35 2026-06-16 16:05:39.280 2026-06-16 16:05:39.280
AAAA 2603:1061:14:21::1 2026-06-16 16:08:36.771 2026-06-16 16:08:36.771
A 150.171.109.34 2026-06-16 16:08:36.771 2026-06-16 16:08:36.771
A 150.171.109.198 2026-06-16 18:13:48.003 2026-06-16 18:13:48.003
AAAA 2603:1061:14:22::1 2026-06-16 18:13:48.003 2026-06-16 18:13:48.003
AAAA 2603:1061:14:34::1 2026-07-16 17:12:05.703 2026-07-16 17:12:05.703
A 150.171.110.52 2026-07-16 17:12:05.703 2026-07-16 17:12:05.703