hydro.ac
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of hydro.ac
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
Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.
| Subdomain | Resolves to | Last seen |
|---|---|---|
| edge.hydro.ac | 2026-06-21 00:05:06.232 | |
| analytics.hydro.ac | 1970-01-01 00:00:00.000 | |
| avatar.icpc.hydro.ac | 1970-01-01 00:00:00.000 | |
| beta.hydro.ac | 1970-01-01 00:00:00.000 | |
| ccpc.hydro.ac | 2026-07-18 05:25:39.600 | |
| cdn.hydro.ac | 1970-01-01 00:00:00.000 | |
| center.hydro.ac | 2026-06-15 14:14:45.511 | |
| cn-hz.hydro.ac | 1970-01-01 00:00:00.000 | |
| cn.hydro.ac | 1970-01-01 00:00:00.000 | |
| dev.hydro.ac | 1970-01-01 00:00:00.000 | |
| docs.hydro.ac | 2026-05-27 14:44:10.079 | |
| grafana.hydro.ac | 1970-01-01 00:00:00.000 | |
| hdu.hydro.ac | 1970-01-01 00:00:00.000 | |
| hydro.ac | 2026-07-31 20:00:14.547 | |
| mumble.hydro.ac | 1970-01-01 00:00:00.000 | |
| nix-channel.hydro.ac | 1970-01-01 00:00:00.000 | |
| pf.hydro.ac | 1970-01-01 00:00:00.000 | |
| qqface.hydro.ac | 1970-01-01 00:00:00.000 | |
| s3.hydro.ac | 1970-01-01 00:00:00.000 | |
| seat.hydro.ac | 1970-01-01 00:00:00.000 | |
| sentry.hydro.ac | 1970-01-01 00:00:00.000 | |
| srs.hydro.ac | 1970-01-01 00:00:00.000 | |
| status.hydro.ac | 1970-01-01 00:00:00.000 | |
| xtom-jp.hydro.ac | 2026-07-28 19:11:54.346 |
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.
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 | 64.176.34.97 | 2026-05-25 22:02:50.525 | 2026-07-31 20:00:14.547 |
| TXT | v=spf1 include:zohomail.com.cn include:qcloudmail.com include:zeptomail.net include:zoho.com.cn ~all | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| TXT | v=BIMI1;l=https://hydro.ac/favicon.svg | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| TXT | google-site-verification=JcJhnL3-rFWjnQsrOb8tTzG7lJFJSGjmMK514Pd4u5I | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| NS | ns4.dnsv2.com | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| MX | 10 mx.zoho.com.cn | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| TXT | zoho-verification=zb79931106.zmverify.zoho.com.cn | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| NS | ns3.dnsv2.com | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |
| MX | 20 mx2.zoho.com.cn | 2026-05-25 22:13:29.500 | 2026-06-25 20:05:56.415 |