Check-Host.cc
Domain

400ai.dev

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

Run a live full scan of 400ai.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
2
A/AAAA targets
Subdomains
4
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
3
in our scans

DNS Records

A
13.248.243.5, 76.223.105.230
AAAA
MX
0 400ai-dev.mail.protection.outlook.com
NS
ns31.domaincontrol.com, ns32.domaincontrol.com
TXT
NETORGFT18661554.onmicrosoft.com, v=spf1 include:secureserver.net -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
400ai.dev 2026-08-27 05:22:00.422
www.400ai.dev 2026-08-27 05:22:00.422

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.

3b2630e82e6ed0bf… google · xenon2026h2
Subject: 400ai.dev
Issuer: GoDaddy TLS Intermediate CA DV - R1v1
SANs: 400ai.dev, www.400ai.dev
Valid: 2026-08-07 20:16:11 → 2026-11-05 20:16:11
6a588a16a0ce1d30… google · argon2026h2
Subject: 400ai.dev
Issuer: GoDaddy TLS Intermediate CA DV - R1v1
SANs: 400ai.dev, www.400ai.dev
Valid: 2026-08-07 20:16:11 → 2026-11-05 20:16:11
bcc1504f6ae5859f… google · xenon2026h2
Subject: 400ai.dev
Issuer: GoDaddy TLS Intermediate CA DV - R1v1
SANs: 400ai.dev, www.400ai.dev
Valid: 2026-06-09 03:28:47 → 2026-09-07 03:28:47

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 76.223.105.230 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
TXT v=spf1 include:secureserver.net -all 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
A 13.248.243.5 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
NS ns32.domaincontrol.com 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
NS ns31.domaincontrol.com 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
SRV _sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
MX 0 400ai-dev.mail.protection.outlook.com 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422
TXT NETORGFT18661554.onmicrosoft.com 2026-07-25 06:45:44.816 2026-08-27 05:22:00.422