Check-Host.cc
Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

403-custom-error.pages.dev

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

DNS Check HTTP Check Run Full Scan .dev TLD

Run a live full scan of 403-custom-error.pages.dev

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
4
A/AAAA targets
Subdomains
2
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
5
in our scans

DNS Records

A
172.66.44.214, 172.66.47.42
AAAA
2606:4700:310c::ac42:2cd6, 2606:4700:310c::ac42:2f2a
MX
—
NS
blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org
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

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
403-custom-error.pages.dev
172.66.44.214 2606:4700:310c::ac42:2cd6 2606:4700:310c::ac42:2f2a 172.66.47.42
2026-08-28 12:03:50.875

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.

51df42780b0c103b… google · xenon2026h2
Subject: 403-custom-error.pages.dev
Issuer: WE1
SANs: 403-custom-error.pages.dev, *.403-custom-error.pages.dev
Valid: 2026-08-25 12:28:45 → 2026-11-23 13:27:15
4d0673e4de1020ad… google · argon2026h2
Subject: 403-custom-error.pages.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 403-custom-error.pages.dev, *.403-custom-error.pages.dev
Valid: 2026-08-16 00:00:00 → 2026-11-14 09:23:40
f298539c097b3bd4… digicert · wyvern2026h2
Subject: 403-custom-error.pages.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 403-custom-error.pages.dev, *.403-custom-error.pages.dev
Valid: 2026-08-16 00:00:00 → 2026-11-14 09:23:40
3ce09c204cedf3e9… google · argon2026h2
Subject: 403-custom-error.pages.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 403-custom-error.pages.dev, *.403-custom-error.pages.dev
Valid: 2026-08-15 00:00:00 → 2026-11-13 05:14:21
eb16b8b770b14459… google · argon2026h2
Subject: 403-custom-error.pages.dev
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: 403-custom-error.pages.dev, *.403-custom-error.pages.dev
Valid: 2026-08-15 00:00:00 → 2026-11-13 05:14:21

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
NS blue.foundationdns.com 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875
AAAA 2606:4700:310c::ac42:2cd6 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875
A 172.66.47.42 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875
NS blue.foundationdns.org 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875
NS blue.foundationdns.net 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875
AAAA 2606:4700:310c::ac42:2f2a 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875
A 172.66.44.214 2026-08-16 23:10:45.278 2026-08-28 12:03:50.875