Check-Host.cc

Domain

assettracking-api-dev.optum.com

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

Run a live full scan of assettracking-api-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
18
A/AAAA targets
Subdomains
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
in our scans

DNS Records

A
100.31.19.138, 100.50.87.175, 18.207.185.70, 18.208.117.2, 18.208.9.151, 23.23.224.193, 3.230.113.109, 32.195.119.54
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.

ac3d607dfe478e7d… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-30 00:00:00 → 2026-12-30 23:59:59
3296caa3c441fc51… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-30 00:00:00 → 2026-12-30 23:59:59
46099da1ec8bc311… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-30 00:00:00 → 2026-12-30 23:59:59
7732f0a8d593b5fb… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-30 00:00:00 → 2026-12-30 23:59:59
a93502e83fe9216b… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-30 00:00:00 → 2026-12-30 23:59:59
d2adc294fb668bda… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-26 00:00:00 → 2026-12-26 23:59:59
6c1c75cc69983269… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-26 00:00:00 → 2026-12-26 23:59:59
2b64c5be66da853c… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-26 00:00:00 → 2026-12-26 23:59:59
0c5ce0692b3fba63… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-26 00:00:00 → 2026-12-26 23:59:59
381d90b679d67dc0… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
3af83074edf5cc77… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
2a98842b272953f8… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
48bea5de804b9202… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
775e632793719a47… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
786963a29d45fd14… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
7a0340636556103a… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
a9f4fd5e6e22cce5… google · xenon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-24 00:00:00 → 2026-12-24 23:59:59
0fde9c14dfa407eb… google · argon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-23 00:00:00 → 2026-12-23 23:59:59
1035fe61a541cd7d… google · argon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-23 00:00:00 → 2026-12-23 23:59:59
1e578fc61a24d4dd… google · argon2026h2
Subject: assettracking-api-dev.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: assettracking-api-dev.optum.com
Valid: 2025-12-23 00:00:00 → 2026-12-23 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
A 98.85.144.132 2026-06-15 04:45:55.535 2026-06-15 04:45:55.535
A 44.198.246.34 2026-06-15 04:45:55.535 2026-06-16 12:10:17.096
A 23.23.224.193 2026-06-15 04:45:55.535 2026-06-16 12:10:17.096
A 18.208.9.151 2026-06-15 18:55:38.313 2026-06-16 12:10:17.096
A 44.206.173.0 2026-06-17 12:01:53.391 2026-06-17 22:06:27.713
A 54.211.150.24 2026-06-17 12:01:53.391 2026-06-17 22:06:27.713
A 54.174.189.138 2026-06-17 12:01:53.391 2026-06-17 22:06:27.713
A 32.195.254.65 2026-06-18 16:54:19.887 2026-06-18 17:20:41.601
A 34.192.229.19 2026-06-18 16:54:19.887 2026-06-18 17:20:41.601
A 54.89.37.215 2026-06-18 16:54:19.887 2026-06-18 17:20:41.601
A 32.195.119.54 2026-06-22 03:27:02.991 2026-06-22 07:17:43.781
A 18.207.185.70 2026-06-22 03:27:02.991 2026-06-22 07:17:43.781
A 100.31.19.138 2026-06-22 03:27:02.991 2026-06-22 07:17:43.781
A 18.208.117.2 2026-07-16 17:25:18.977 2026-07-17 00:07:42.025
A 3.230.113.109 2026-07-16 17:25:18.977 2026-07-18 22:33:35.616
A 52.45.25.195 2026-07-16 17:25:18.977 2026-07-23 05:32:54.849
A 100.50.87.175 2026-07-18 22:33:35.616 2026-07-23 05:32:54.849
A 35.168.227.103 2026-07-21 11:11:58.401 2026-07-23 05:32:54.849