api.prod.auth.optum.com
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of api.prod.auth.optum.com
On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.
DNS Records
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
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.
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 | 98.86.81.184 | 2026-05-26 21:42:58.912 | 2026-06-01 11:19:05.731 |
| A | 54.161.227.144 | 2026-05-26 21:42:58.912 | 2026-06-01 11:19:05.731 |
| A | 52.203.3.247 | 2026-05-26 21:42:58.912 | 2026-06-01 11:19:05.731 |
| A | 3.214.242.201 | 2026-05-26 21:42:58.912 | 2026-05-26 21:47:48.579 |
| A | 3.93.136.43 | 2026-05-31 00:59:40.838 | 2026-06-01 11:19:05.731 |
| A | 54.221.137.144 | 2026-07-17 18:02:38.045 | 2026-07-17 18:02:38.045 |
| A | 34.224.63.120 | 2026-07-17 18:02:38.045 | 2026-07-17 18:02:38.045 |
| A | 44.214.67.66 | 2026-07-17 18:02:38.045 | 2026-07-17 18:02:38.045 |
| A | 100.51.210.61 | 2026-07-17 18:02:38.045 | 2026-07-17 18:02:38.045 |