Check-Host.cc
Domain

00f.net

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

Run a live full scan of 00f.net

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
34
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
14
in our scans

DNS Records

A
37.59.238.213
AAAA
MX
10 premiere.mx.c9x.org
NS
free.ns.c9x.org, recital.ns.c9x.org
TXT
google-site-verification=iK-2odp0bQxHd5LYFatyVy0Jjaqjc6vYhRbpE_rsMDY, keybase-site-verification=BXokWF2jLFyP7WLDyI9a9_I8rFgje_3xMv9edQJ-rRc, v=spf1 a mx ip4:164.132.13.235 ip4:87.98.134.126 ip4:92.222.49.126 ip4:188.165.248.100 ip4:37.59.238.212/30 ip4:137.74.223.232/30 ip4:82.64.197.71 ip4:82.66.97.28 -all
CNAME
CAA
0 issue "letsencrypt.org"

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
00f.net 2026-08-30 01:13:07.120
comet.00f.net 2026-08-29 08:57:59.324
f.00f.net 2026-08-23 12:17:14.469
preprint.00f.net 2026-08-29 08:57:59.324
www.00f.net 2026-08-29 08:57:59.324

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

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.

ed3019dfc82cf444… cloudflare · nimbus2026
Subject: 00f.net
Issuer: YE1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-29 00:32:26 → 2026-11-27 00:32:25
25720040a521669d… google · xenon2026h2
Subject: 00f.net
Issuer: YE2
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-22 00:32:08 → 2026-11-20 00:32:07
049ab2dd61e0cfde… google · xenon2026h2
Subject: 00f.net
Issuer: YR1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-22 00:31:45 → 2026-11-20 00:31:44
6e587d71d7c42d19… google · xenon2026h2
Subject: 00f.net
Issuer: YE1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-21 06:38:59 → 2026-11-19 06:38:58
fe339bd2c3ccbbed… cloudflare · nimbus2026
Subject: 00f.net
Issuer: YE1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-21 06:38:59 → 2026-11-19 06:38:58
45fe4b4db1ca179d… google · xenon2026h2
Subject: 00f.net
Issuer: YR1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-21 06:38:37 → 2026-11-19 06:38:36
e734e2dc75d2a609… google · xenon2026h2
Subject: 00f.net
Issuer: YR1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-21 06:38:37 → 2026-11-19 06:38:36
367e89839588ffb1… google · argon2026h2
Subject: 00f.net
Issuer: YE2
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-15 00:32:16 → 2026-11-13 00:32:15
6b7255ef5d2e7f48… google · argon2026h2
Subject: 00f.net
Issuer: YE2
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-15 00:32:16 → 2026-11-13 00:32:15
008d68c79b73f51c… cloudflare · nimbus2026
Subject: 00f.net
Issuer: YR1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-15 00:31:43 → 2026-11-13 00:31:42
4808916e8b8daa70… google · argon2026h2
Subject: 00f.net
Issuer: YR1
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-15 00:31:43 → 2026-11-13 00:31:42
0493c1b70481377b… digicert · wyvern2026h2
Subject: 00f.net
Issuer: YE2
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-08 00:32:40 → 2026-11-06 00:32:39
083646983e2c4434… digicert · wyvern2026h2
Subject: 00f.net
Issuer: YR2
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-08 00:32:22 → 2026-11-06 00:32:21
d0c6d3e443984a3f… google · argon2026h2
Subject: 00f.net
Issuer: YR2
SANs: 00f.net, comet.00f.net, f.00f.net, preprint.00f.net, www.00f.net
Valid: 2026-08-08 00:32:22 → 2026-11-06 00:32:21

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
TXT keybase-site-verification=BXokWF2jLFyP7WLDyI9a9_I8rFgje_3xMv9edQJ-rRc 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
TXT v=spf1 a mx ip4:164.132.13.235 ip4:87.98.134.126 ip4:92.222.49.126 ip4:188.165.248.100 ip4:37.59.238.212/30 ip4:137.74.223.232/30 ip4:82.64.197.71 ip4:82.66.97.28 -all 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
A 37.59.238.213 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
TXT google-site-verification=iK-2odp0bQxHd5LYFatyVy0Jjaqjc6vYhRbpE_rsMDY 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
MX 10 premiere.mx.c9x.org 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
NS recital.ns.c9x.org 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
CAA 0 issue "letsencrypt.org" 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120
NS free.ns.c9x.org 2026-06-16 03:45:20.847 2026-08-30 01:13:07.120