Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

vstsusers.codeapp.ms

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

DNS Check HTTP Check Run Full Scan .ms TLD

Run a live full scan of vstsusers.codeapp.ms

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
402
in our scans

DNS Records

A
150.171.73.14, 150.171.74.14
AAAA
2603:1061:10:1::14, 2603:1061:10::14
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

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.

4a1f121db4896e46… google · xenon2026h2
Subject: vstsusers.vsts.io
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: vstsusers.vsts.io, *.vstsusers.vsts.io, vstsusers.codeapp.ms, jainriycfuser.vstsusers.vsts.io
Valid: 2026-03-16 14:18:40 → 2026-09-12 14:18:40
2b3eea2d3ddb3328… google · xenon2026h2
Subject: vstsusers.vsts.io
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: vstsusers.vsts.io, *.vstsusers.vsts.io, vstsusers.codeapp.ms, cf2621user.vstsusers.vsts.io
Valid: 2026-01-26 14:08:00 → 2026-07-25 14:08:00
18d81d65b9b9b93e… google · argon2026h2
Subject: vstsusers.vsts.io
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: vstsusers.vsts.io, *.vstsusers.vsts.io, vstsusers.codeapp.ms, cf2620user.vstsusers.vsts.io
Valid: 2026-01-26 02:03:49 → 2026-07-25 02:03:49
18d81d65b9b9b93e… google · xenon2026h2
Subject: vstsusers.vsts.io
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: vstsusers.vsts.io, *.vstsusers.vsts.io, vstsusers.codeapp.ms, cf2620user.vstsusers.vsts.io
Valid: 2026-01-26 02:03:49 → 2026-07-25 02:03:49

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 150.171.73.14 2026-06-17 15:42:03.402 2026-07-28 22:49:35.016
AAAA 2603:1061:10::14 2026-06-17 15:42:03.402 2026-07-28 22:49:35.016
A 150.171.74.14 2026-06-17 15:42:03.402 2026-07-28 22:49:35.016
AAAA 2603:1061:10:1::14 2026-06-17 15:42:03.402 2026-07-28 22:49:35.016