Check-Host.cc

Domain

pgp.mit.edu

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

Run a live full scan of pgp.mit.edu

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
1
A/AAAA targets
Subdomains
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
18.9.60.141
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

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

209.97.153.189:80 href · ×2
34.36.208.145:443 href · ×2
209.239.174.142:80 href · ×2
209.239.174.142:443 href · ×2
161.97.173.120:80 href · ×2
63.142.247.47:443 href · ×1
138.68.176.110:443 href · ×1
139.162.151.86:443 href · ×1
217.149.242.2:80 href · ×1
85.119.82.93:443 href · ×1
172.105.29.250:443 href · ×1
91.65.188.253:443 href · ×1
50.18.44.198:443 href · ×1
54.175.244.192:80 href · ×1
161.97.173.120:443 href · ×1
159.89.112.145:80 href · ×1
216.92.123.23:80 href · ×1
116.203.110.233:443 href · ×1
63.142.247.47:80 href · ×1
5.9.226.40:443 href · ×1
37.218.242.84:443 href · ×1
34.209.250.223:443 href · ×1
51.158.22.65:80 href · ×1
54.175.244.192:443 href · ×1
103.88.44.9:443 href · ×1
52.72.135.187:443 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
A 18.9.60.141 2026-05-26 05:00:16.508 2026-07-27 07:45:59.500