Check-Host.cc

Domain

openbsd.org

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

Run a live full scan of openbsd.org

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
23
A/AAAA targets
Subdomains
45
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
3
in our scans

DNS Records

A
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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: man.openbsd.org.ru
Issuer: YR1
SANs: man.openbsd.org.ru
Subject: ftp.eu.openbsd.org
Issuer: YR1
SANs: ftp.eu.openbsd.org
Subject: www.openbsd.org
Issuer: YR2
SANs: ftplist1.openbsd.org, libressl.org, openbsd.org, openiked.org, openssh.com, openssh.org, www.libressl.org, www.openbsd.org, www.openiked.org, www.openrsync.org, www.openssh.com, www.openssh.org
Subject: www.openbsd.org
Issuer: R12
SANs: ftplist1.openbsd.org, libressl.org, openbsd.org, openiked.org, openssh.com, openssh.org, www.libressl.org, www.openbsd.org, www.openiked.org, www.openrsync.org, www.openssh.com, www.openssh.org

IPs Citing This Domain

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

80.240.25.185:443 href · ×4
46.23.95.154:443 href · ×2
113.30.148.95:443 href · ×2
46.23.95.154:80 href · ×2
216.128.176.248:443 href · ×1
46.16.76.207:443 href · ×1
144.202.1.203:80 href · ×1
70.34.199.79:443 href · ×1
70.34.209.67:443 href · ×1
82.65.239.57:443 href · ×1
149.210.235.227:80 href · ×1
103.131.189.74:443 href · ×1
144.202.1.203:443 href · ×1
113.30.148.95:80 href · ×1
82.66.212.46:443 href · ×1
213.239.192.17:443 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
NS dns1.openbsd.org 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
TXT v=spf1 mx a:mail.openbsd.org a:cvs.openbsd.org ~all 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS europe1.dnsnode.net 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS auth4.ns.gin.ntt.net 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS b.ns.bsws.de 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
A 199.185.178.80 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS c.ns.bsws.de 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS auth5.ns.gin.ntt.net 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS dns2.openbsd.org 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS a.ns.bsws.de 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
MX 5 mail.openbsd.org 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS nsp.dnsnode.net 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
NS auth1.ns.gin.ntt.net 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770
AAAA 2620:3d:c000:178::80 2026-05-26 21:42:58.912 2026-07-26 13:13:17.770