Check-Host.cc

Domain

tpu-attackforge-dev.optum.com

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

Run a live full scan of tpu-attackforge-dev.optum.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
17
A/AAAA targets
Subdomains
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
137
in our scans

DNS Records

A
100.49.105.207, 100.50.87.175, 18.208.117.2, 18.208.9.151, 184.73.246.127, 23.23.224.193, 3.230.113.109, 32.196.238.62
AAAA
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.

db74a9dd27d04da0… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-04-07 00:00:00 → 2026-10-22 23:59:59
abfa28707cba542b… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-04-07 00:00:00 → 2026-10-22 23:59:59
ba2f3d7f0a94831d… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-27 00:00:00 → 2026-10-11 23:59:59
a8e3d8480d91fe98… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-27 00:00:00 → 2026-10-11 23:59:59
ea282814746e1488… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-26 00:00:00 → 2026-10-10 23:59:59
da664bf718029430… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-24 00:00:00 → 2026-10-08 23:59:59
e7ce1af012dfcb83… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-24 00:00:00 → 2026-10-08 23:59:59
ed466d4b16c25e60… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-24 00:00:00 → 2026-10-08 23:59:59
759c3ff0f5e10735… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-24 00:00:00 → 2026-10-08 23:59:59
cadcb3b913fa4a8c… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-24 00:00:00 → 2026-10-08 23:59:59
57d03de42de74c36… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-23 00:00:00 → 2026-10-07 23:59:59
a8a2acfd2539c77b… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-23 00:00:00 → 2026-10-07 23:59:59
f36594747a4ccc84… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2026-03-18 00:00:00 → 2026-10-02 23:59:59
1be98e10cffa9a12… google · argon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-09 00:00:00 → 2026-12-09 23:59:59
2afa289b0ba0b1f9… cloudflare · nimbus2026
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-09 00:00:00 → 2026-12-09 23:59:59
2afa289b0ba0b1f9… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-09 00:00:00 → 2026-12-09 23:59:59
60176890d5ecf5bb… cloudflare · nimbus2026
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-09 00:00:00 → 2026-12-09 23:59:59
60176890d5ecf5bb… google · xenon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-09 00:00:00 → 2026-12-09 23:59:59
76eb4038094d6420… google · argon2026h2
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-09 00:00:00 → 2026-12-09 23:59:59
4793f8c7dd8b8106… cloudflare · nimbus2026
Subject: tpu-attackforge-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: tpu-attackforge-dev.optum.com
Valid: 2025-12-02 00:00:00 → 2026-12-02 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 100.49.105.207 2026-06-03 20:27:52.789 2026-06-03 20:27:52.789
A 34.204.144.231 2026-06-03 20:27:52.789 2026-06-03 20:27:52.789
A 184.73.246.127 2026-06-03 20:27:52.789 2026-06-03 20:27:52.789
A 98.85.144.132 2026-06-15 03:22:15.264 2026-06-15 03:37:12.845
A 44.198.246.34 2026-06-15 03:22:15.264 2026-06-16 00:01:15.253
A 23.23.224.193 2026-06-15 03:22:15.264 2026-06-16 00:01:15.253
A 18.208.9.151 2026-06-16 00:01:15.253 2026-06-16 00:01:15.253
A 44.206.173.0 2026-06-16 16:38:48.279 2026-06-17 01:20:09.178
A 54.211.150.24 2026-06-16 16:38:48.279 2026-06-17 01:20:09.178
A 54.174.189.138 2026-06-16 16:38:48.279 2026-06-17 01:20:09.178
A 18.208.117.2 2026-07-17 05:17:20.972 2026-07-17 05:17:20.972
A 3.230.113.109 2026-07-17 05:17:20.972 2026-07-17 05:17:20.972
A 52.45.25.195 2026-07-17 05:17:20.972 2026-07-22 23:01:08.738
A 35.168.227.103 2026-07-20 00:27:00.995 2026-07-22 23:01:08.738
A 100.50.87.175 2026-07-20 00:27:00.995 2026-07-27 09:21:04.271
A 54.88.94.0 2026-07-27 09:21:04.271 2026-07-27 09:21:04.271
A 32.196.238.62 2026-07-27 09:21:04.271 2026-07-27 09:21:04.271