Check-Host.cc
Domain

4040.buzz

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

Run a live full scan of 4040.buzz

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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Hosting IPs
4
A/AAAA targets
Subdomains
1
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
3
in our scans

DNS Records

A
104.21.89.8, 172.67.155.104
AAAA
2606:4700:3032::ac43:9b68, 2606:4700:3033::6815:5908
MX
NS
cody.ns.cloudflare.com, olivia.ns.cloudflare.com
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
4040.buzz 2026-08-23 17:12:50.324

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.

8f79ba3bbbb209b5… google · xenon2026h2
Subject: 4040.buzz
Issuer: Cloudflare TLS Issuing ECC CA 4
SANs: 4040.buzz, *.4040.buzz
Valid: 2026-08-21 12:49:17 → 2026-11-18 08:59:14
2ab4d5b4a90df1fb… google · xenon2026h2
Subject: 4040.buzz
Issuer: WE1
SANs: 4040.buzz, *.4040.buzz
Valid: 2026-08-20 08:08:08 → 2026-11-18 09:05:16
694fe23dc699d2e8… google · xenon2026h2
Subject: 4040.buzz
Issuer: WE1
SANs: 4040.buzz, *.4040.buzz
Valid: 2026-08-20 08:08:08 → 2026-11-18 09:05:16

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
AAAA 2606:4700:3033::6815:5908 2026-08-23 17:12:50.324 2026-08-23 17:12:50.324
A 172.67.155.104 2026-08-23 17:12:50.324 2026-08-23 17:12:50.324
NS olivia.ns.cloudflare.com 2026-08-23 17:12:50.324 2026-08-23 17:12:50.324
NS cody.ns.cloudflare.com 2026-08-23 17:12:50.324 2026-08-23 17:12:50.324
AAAA 2606:4700:3032::ac43:9b68 2026-08-23 17:12:50.324 2026-08-23 17:12:50.324
A 104.21.89.8 2026-08-23 17:12:50.324 2026-08-23 17:12:50.324