Check-Host.cc

Domain

www.diffchecker.com

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

Run a live full scan of www.diffchecker.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
6
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
5
in our scans

DNS Records

A
104.26.4.140, 104.26.5.140, 172.67.71.147
AAAA
2606:4700:20::681a:48c, 2606:4700:20::681a:58c, 2606:4700:20::ac43:4793
MX
NS
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

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

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

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

104.233.207.45:443 href · ×5
137.175.74.148:443 href · ×5
104.233.207.42:443 href · ×5
104.233.207.41:443 href · ×5
8.217.133.183:443 href · ×3

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.

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 2606:4700:20::681a:48c 2026-05-26 13:48:04.681 2026-07-21 05:25:36.251
A 172.67.71.147 2026-05-26 13:48:04.681 2026-07-21 05:25:36.251
A 104.26.4.140 2026-05-26 13:48:04.681 2026-07-21 05:25:36.251
A 104.26.5.140 2026-05-26 13:48:04.681 2026-07-21 05:25:36.251
AAAA 2606:4700:20::ac43:4793 2026-05-26 13:48:04.681 2026-07-21 05:25:36.251
AAAA 2606:4700:20::681a:58c 2026-05-26 13:48:04.681 2026-07-21 05:25:36.251