Check-Host.cc

Domain

dynamicdefense-dev.att.com

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

Run a live full scan of dynamicdefense-dev.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
6
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
9
in our scans

DNS Records

A
23.52.181.156
AAAA
2a02:26f0:c6:39d::2db1, 2a02:26f0:c6:3a5::2db1, 2a02:26f0:c6:3ad::2db1, 2a02:26f0:c6:3b0::2db1, 2a02:26f0:c6:3ba::2db1
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.

ccbe24227c6a514c… google · xenon2026h2
Subject: dynamicdefense-dev.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dynamicdefense-dev.att.com, dynamicdefense-ci.att.com, dynamicdefense-stage.att.com, dynamicdefense.dev.att.com, dynamicdefense.stage.att.com, dynamicdefense-ci.dev.att.com, dynamicdefense-testa.dev.att.com, dynamicdefense-testa.att.com, dynamicdefense-cms-fe.dev.att.com, dynamicdefense-cms-be.dev.att.com, dynamicdefense-c-ci.att.com, dynamicdefense-c-stage.att.com, dynamicdefense-c-dev.att.com, dynamicdefense-c-testa.att.com, dynamicdefense-demo.dev.att.com, dynamicdefense-ci-api.dev.att.com, dynamicdefense-api.dev.att.com, dynamicdefense-api.stage.att.com, dynamicdefense-testa-api.dev.att.com, dynamicdefense-demo-api.dev.att.com, dynamicdefense-dr.stage.att.com, dynamicdefense-dr-cms-be.stage.att.com, dynamicdefense-dr-api.stage.att.com, dynamicdefense-dr-cms-fe.stage.att.com
Valid: 2026-03-16 00:00:00 → 2026-09-30 23:59:59
0a96e5ac95da7457… google · xenon2026h2
Subject: dynamicdefense-dev.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dynamicdefense-dev.att.com, dynamicdefense-ci.att.com, dynamicdefense-stage.att.com, dynamicdefense.dev.att.com, dynamicdefense.stage.att.com, dynamicdefense-ci.dev.att.com, dynamicdefense-testa.dev.att.com, dynamicdefense-testa.att.com, dynamicdefense-cms-fe.dev.att.com, dynamicdefense-cms-be.dev.att.com, dynamicdefense-c-ci.att.com, dynamicdefense-c-stage.att.com, dynamicdefense-c-dev.att.com, dynamicdefense-c-testa.att.com, dynamicdefense-demo.dev.att.com, dynamicdefense-ci-api.dev.att.com, dynamicdefense-api.dev.att.com, dynamicdefense-api.stage.att.com, dynamicdefense-testa-api.dev.att.com, dynamicdefense-demo-api.dev.att.com, dynamicdefense-dr.stage.att.com, dynamicdefense-dr-cms-be.stage.att.com, dynamicdefense-dr-api.stage.att.com
Valid: 2026-03-09 00:00:00 → 2026-09-23 23:59:59
1662d8534cb8be67… google · xenon2026h2
Subject: dynamicdefense-dev.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dynamicdefense-dev.att.com, dynamicdefense-ci.att.com, dynamicdefense-stage.att.com, dynamicdefense.dev.att.com, dynamicdefense.stage.att.com, dynamicdefense-ci.dev.att.com, dynamicdefense-testa.dev.att.com, dynamicdefense-testa.att.com, dynamicdefense-cms-fe.dev.att.com, dynamicdefense-cms-be.dev.att.com, dynamicdefense-c-ci.att.com, dynamicdefense-c-stage.att.com, dynamicdefense-c-dev.att.com, dynamicdefense-c-testa.att.com, dynamicdefense-demo.dev.att.com, dynamicdefense-ci-api.dev.att.com, dynamicdefense-api.dev.att.com, dynamicdefense-api.stage.att.com, dynamicdefense-testa-api.dev.att.com, dynamicdefense-demo-api.dev.att.com, dynamicdefense-dr.stage.att.com, dynamicdefense-dr-cms-be.stage.att.com, dynamicdefense-dr-api.stage.att.com
Valid: 2026-03-09 00:00:00 → 2026-09-23 23:59:59
d9e4e577d5078041… google · xenon2026h2
Subject: dynamicdefense-dev.att.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dynamicdefense-dev.att.com, dynamicdefense-ci.att.com, dynamicdefense-stage.att.com, dynamicdefense.dev.att.com, dynamicdefense.stage.att.com, dynamicdefense-ci.dev.att.com, dynamicdefense-testa.dev.att.com, dynamicdefense-testa.att.com, dynamicdefense-cms-fe.dev.att.com, dynamicdefense-cms-be.dev.att.com, dynamicdefense-c-ci.att.com, dynamicdefense-c-stage.att.com, dynamicdefense-c-dev.att.com, dynamicdefense-c-testa.att.com, dynamicdefense-demo.dev.att.com, dynamicdefense-ci-api.dev.att.com, dynamicdefense-api.dev.att.com, dynamicdefense-api.stage.att.com, dynamicdefense-testa-api.dev.att.com, dynamicdefense-demo-api.dev.att.com, dynamicdefense-dr.stage.att.com, dynamicdefense-dr-cms-be.stage.att.com, dynamicdefense-dr-api.stage.att.com
Valid: 2026-03-09 00:00:00 → 2026-09-23 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 2a02:26f0:c6:3ba::2db1 2026-06-05 22:19:08.458 2026-06-05 22:19:08.458
AAAA 2a02:26f0:c6:3ad::2db1 2026-06-05 22:19:08.458 2026-06-05 22:19:08.458
AAAA 2a02:26f0:c6:3b0::2db1 2026-06-05 22:19:08.458 2026-06-05 22:19:08.458
A 23.52.181.156 2026-06-05 22:19:08.458 2026-06-05 22:19:08.458
AAAA 2a02:26f0:c6:3a5::2db1 2026-06-05 22:19:08.458 2026-06-05 22:19:08.458
AAAA 2a02:26f0:c6:39d::2db1 2026-06-05 22:19:08.458 2026-06-05 22:19:08.458