Check-Host.cc

Domain

a.opmnstr.com

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

Run a live full scan of a.opmnstr.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
16
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
185.111.111.154, 185.111.111.155, 185.111.111.156, 185.111.111.157, 185.111.111.158, 185.229.190.147, 185.229.190.148, 37.19.203.178
AAAA
2400:52e0:1a00::1070:1, 2400:52e0:1e00:2::1328:1, 2400:52e0:1e00:2::1329:1, 2400:52e0:1e00:2::1330:1, 2400:52e0:1e00:2::1331:1, 2400:52e0:1e00:2::1332:1, 2400:52e0:1e01::1444:1, 2400:52e0:1e01::879:1
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

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

194.164.121.4:80 href · ×2
65.49.235.222:443 href · ×2
35.209.179.86:443 href · ×2
138.197.135.7:443 href · ×1
100.50.123.186:443 href · ×1
3.209.166.32:443 href · ×1
82.136.32.14:443 href · ×1
136.144.154.250:443 href · ×1
13.216.116.124:443 href · ×1

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.

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 2400:52e0:1e00:2::1329:1 2026-05-26 06:19:19.833 2026-05-27 03:57:02.782
A 185.111.111.154 2026-05-26 06:19:19.833 2026-05-27 10:00:34.933
AAAA 2400:52e0:1e00:2::1332:1 2026-05-26 07:03:02.977 2026-06-19 04:18:48.388
A 185.111.111.158 2026-05-26 07:03:02.977 2026-05-26 07:03:02.977
AAAA 2400:52e0:1e00:2::1331:1 2026-05-26 07:07:02.960 2026-05-26 07:07:02.960
A 185.111.111.155 2026-05-26 07:07:02.960 2026-05-27 10:04:36.480
A 185.111.111.156 2026-05-26 11:51:50.538 2026-05-26 11:51:50.538
AAAA 2400:52e0:1a00::1070:1 2026-05-26 20:01:48.941 2026-05-26 20:01:48.941
AAAA 2400:52e0:1e00:2::1328:1 2026-05-27 10:00:34.933 2026-05-27 10:04:36.480
AAAA 2400:52e0:1e01::879:1 2026-06-18 01:37:17.884 2026-06-18 01:37:17.884
A 37.19.203.178 2026-06-18 01:37:17.884 2026-06-19 04:18:48.388
A 185.111.111.157 2026-06-19 16:40:35.466 2026-06-19 16:40:35.466
AAAA 2400:52e0:1e00:2::1330:1 2026-06-19 16:40:35.466 2026-06-19 16:40:35.466
A 185.229.190.147 2026-07-17 20:03:33.110 2026-07-20 07:45:24.757
AAAA 2400:52e0:1e01::1444:1 2026-07-17 20:03:33.110 2026-07-28 08:41:52.746
A 185.229.190.148 2026-07-28 08:41:52.746 2026-07-28 08:41:52.746