Check-Host.cc
Domain

404-tech.com

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

Run a live full scan of 404-tech.com

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
1
CT + scan + body
Record Types
6
seen in DNS
Observed Certs
1
in our scans

DNS Records

A
104.21.69.164, 172.67.210.93
AAAA
2606:4700:3032::ac43:d25d, 2606:4700:3034::6815:45a4
MX
0 404tech-com0i.mail.protection.outlook.com
NS
chris.ns.cloudflare.com, lilith.ns.cloudflare.com
TXT
mscid=x1a5YylDKDvByh6gTz3JOQvWgL6D4ePBCL4P/SRpxR5iQE6816egVVYX673JtLDKqJVrijpH03hlrmBLwtdEtA==, v=spf1 include:spf.protection.outlook.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
404-tech.com 2026-08-22 08:33:49.958

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.

c5549c874914b938… google · xenon2026h2
Subject: 404-tech.com
Issuer: YE1
SANs: *.404-tech.com, 404-tech.com
Valid: 2026-08-20 13:00:07 → 2026-11-18 13:00:06

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 v=spf1 include:spf.protection.outlook.com -all 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
NS chris.ns.cloudflare.com 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
NS lilith.ns.cloudflare.com 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
AAAA 2606:4700:3032::ac43:d25d 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
MX 0 404tech-com0i.mail.protection.outlook.com 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
A 104.21.69.164 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
A 172.67.210.93 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
AAAA 2606:4700:3034::6815:45a4 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
SRV _sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958
TXT mscid=x1a5YylDKDvByh6gTz3JOQvWgL6D4ePBCL4P/SRpxR5iQE6816egVVYX673JtLDKqJVrijpH03hlrmBLwtdEtA== 2026-08-22 08:33:49.958 2026-08-22 08:33:49.958