Check-Host.cc

Domain

filter.net

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

Run a live full scan of filter.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
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
176.95.46.123
AAAA
MX
10 secmail01.cloud4partner.net, 20 secmail02.cloud4partner.net
NS
ns1.ntdns.de, ns2.ntdns.de, ns3.ntdns.de
TXT
v=spf1 a a:ma03-relay.lansolnet.com a:ma04-relay.lansolnet.com include:spf.hornetsecurity.com -all
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.

Subdomain Resolves to Last seen
filter.net 2026-06-03 20:51:08.829

Tech Stack

Tech detection pending

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

TLS Certificates

Subject: mes.gsfilter.net
Issuer: YE2
SANs: mes.gsfilter.net
Subject: mx1.mxfilter.net
Issuer: R12
SANs: mx1.mxfilter.net
Subject: syd1.serverfilter.net.au
Issuer: R12
SANs: syd1.serverfilter.net.au
Subject: proxy.awarefilter.net
Issuer: E7
SANs: proxy.awarefilter.net
Subject: syd.adfilter.net
Issuer: E7
SANs: syd.adfilter.net
Subject: dns-filter.net.maine.edu
Issuer: InCommon RSA Server CA
SANs: dns-filter.net.maine.edu
Subject: ohio.serverfilter.net
Issuer: R12
SANs: ohio.serverfilter.net
Subject: jufi-mon.jugendschutzfilter.net
Issuer: R12
SANs: jufi-mon.jugendschutzfilter.info, jufi-mon.jugendschutzfilter.net, jufi-mon.jugendschutzfilter.org, jufi-mon.jugendschutzfilter2.net
Subject: safaricom-dev.mfilter.net
Issuer: R3
SANs: safaricom-dev.mfilter.net

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.

510228ab51d50b79… sectigo · elephant2026h1
Subject: filter.net
Issuer: R13
SANs: filter.net
Valid: 2025-12-12 03:01:53 → 2026-03-12 03:01:52
37fb3ff18893aef8… sectigo · elephant2026h1
Subject: filter.net
Issuer: R13
SANs: filter.net
Valid: 2025-10-13 03:59:38 → 2026-01-11 03:59:37

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 ns2.ntdns.de 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829
TXT v=spf1 a a:ma03-relay.lansolnet.com a:ma04-relay.lansolnet.com include:spf.hornetsecurity.com -all 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829
MX 10 secmail01.cloud4partner.net 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829
MX 20 secmail02.cloud4partner.net 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829
A 176.95.46.123 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829
NS ns1.ntdns.de 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829
NS ns3.ntdns.de 2026-06-03 20:51:08.829 2026-06-03 20:51:08.829