Check-Host.cc

Domain

dev.resolv.i3.app

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

Run a live full scan of dev.resolv.i3.app

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
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
104.18.16.26, 104.18.17.26
AAAA
2606:4700::6812:101a, 2606:4700::6812:111a
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

Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.i3.app, api.dev.resolv.i3.app, dev.resolv.i3.app, i3.app

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.

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
A 104.18.17.26 2026-05-27 11:30:34.293 2026-05-27 11:30:34.293
A 104.18.16.26 2026-05-27 11:30:34.293 2026-05-27 11:30:34.293
AAAA 2606:4700::6812:111a 2026-05-27 11:30:34.293 2026-05-27 11:30:34.293
AAAA 2606:4700::6812:101a 2026-05-27 11:30:34.293 2026-05-27 11:30:34.293