Check-Host.cc

Domain

cloud.edu.tw

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

Run a live full scan of cloud.edu.tw

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
21
A/AAAA targets
Subdomains
54
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
35.241.63.34
AAAA
2600:1901:0:9282::
MX
NS
edudns-a2.edu.tw, edudns-a3.edu.tw, edudns-a4.edu.tw, edudns-c1.edu.tw, edudns-c2.edu.tw, edudns-m1.edu.tw
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.

163.30.17.238:443 href · ×8
163.30.143.237:80 href · ×4
163.30.205.152:443 href · ×4
120.98.35.236:443 href · ×3
163.28.11.141:443 href · ×3
163.30.210.112:443 href · ×3
163.30.170.108:443 href · ×2
163.30.208.17:443 href · ×2
163.30.210.200:80 href · ×2
163.30.170.237:80 href · ×2
163.30.57.110:443 href · ×2
163.30.206.216:443 href · ×2
163.30.166.116:443 href · ×2
163.30.28.110:443 href · ×2
120.112.5.160:80 href · ×2
163.30.57.112:80 href · ×2
163.30.124.237:443 href · ×2
163.30.145.246:443 href · ×2
163.30.208.224:443 href · ×2
120.112.5.230:80 href · ×2
163.30.120.108:80 href · ×1
120.112.15.64:443 href · ×1
163.21.223.204:80 href · ×1
163.30.43.116:443 href · ×1
163.30.16.237:443 href · ×1
18.138.156.197:8080 href · ×1
163.20.164.15:80 href · ×1
163.30.208.100:443 href · ×1
163.30.21.108:80 href · ×1
163.30.23.236:443 href · ×1
163.30.170.108:80 href · ×1
220.134.207.29:5000 href · ×1
35.236.150.186:80 href · ×1
163.30.39.244:443 href · ×1
163.30.85.108:443 href · ×1
220.130.209.186:443 href · ×1
163.30.100.108:443 href · ×1
163.30.208.96:80 href · ×1
163.30.90.11:80 href · ×1
163.30.99.238:80 href · ×1
163.30.180.236:443 href · ×1
163.30.90.236:80 href · ×1
18.143.54.111:8080 href · ×1
120.112.3.77:80 href · ×1
163.30.130.237:80 href · ×1
163.30.144.236:443 href · ×1
210.71.62.9:80 href · ×1
163.22.175.45:80 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.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

0e804c8efd667318… google · argon2026h2
Subject: cloud.edu.tw
Issuer: TWCA Secure SSL Certification Authority
SANs: cloud.edu.tw
Valid: 2025-11-20 09:47:42 → 2026-12-10 15:59:59
265be0d4dbdae417… google · argon2026h2
Subject: cloud.edu.tw
Issuer: TWCA Secure SSL Certification Authority
SANs: cloud.edu.tw
Valid: 2025-11-20 09:47:42 → 2026-12-10 15:59:59
0e804c8efd667318… google · xenon2026h2
Subject: cloud.edu.tw
Issuer: TWCA Secure SSL Certification Authority
SANs: cloud.edu.tw
Valid: 2025-11-20 09:47:42 → 2026-12-10 15:59:59
265be0d4dbdae417… google · xenon2026h2
Subject: cloud.edu.tw
Issuer: TWCA Secure SSL Certification Authority
SANs: cloud.edu.tw
Valid: 2025-11-20 09:47:42 → 2026-12-10 15:59:59

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
NS edudns-a2.edu.tw 2026-05-26 03:59:06.816 2026-06-21 22:39:50.079
NS edudns-c1.edu.tw 2026-05-26 03:59:06.816 2026-07-28 17:13:52.071
NS edudns-a4.edu.tw 2026-05-26 03:59:06.816 2026-07-28 17:13:52.071
NS edudns-a3.edu.tw 2026-05-26 03:59:06.816 2026-07-28 17:13:52.071
NS edudns-m1.edu.tw 2026-05-26 03:59:06.816 2026-07-28 17:13:52.071
NS edudns-c2.edu.tw 2026-05-26 03:59:06.816 2026-07-28 17:13:52.071
AAAA 2600:1901:0:9282:: 2026-05-26 03:59:06.816 2026-07-27 11:20:48.258
A 35.241.63.34 2026-05-26 03:59:06.816 2026-07-28 17:13:52.071