Check-Host.cc

Domain

beta.visualstudio.com

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

Run a live full scan of beta.visualstudio.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
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
104.102.47.239, 104.96.158.174, 184.30.210.104, 23.1.59.167, 23.197.8.89, 23.207.123.43, 23.207.154.92, 23.222.43.79
AAAA
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.

39d82e15a24e8773… google · xenon2026h2
Subject: www.visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: www.visualstudio.microsoft.com, www.visualstudio.com, www.visualstudio-staging.com, wildcard.visualstudio.com, visualstudio.microsoft.com, tutorials.visualstudio.com, sxp.microsoft.com, launch.visualstudio.com, integrate.visualstudio.com, download.visualstudio.com, beta.visualstudio.com
Valid: 2026-02-11 22:42:53 → 2026-08-25 23:59:59
362aeb16cf81e7e0… google · xenon2026h2
Subject: www.visualstudio.com
Issuer: Microsoft Azure ECC TLS Issuing CA 04
SANs: www.visualstudio.microsoft.com, www.visualstudio.com, www.visualstudio-staging.com, wildcard.visualstudio.com, visualstudio.microsoft.com, tutorials.visualstudio.com, sxp.microsoft.com, launch.visualstudio.com, integrate.visualstudio.com, download.visualstudio.com, beta.visualstudio.com
Valid: 2026-02-11 22:41:06 → 2026-08-25 23:59:59
ecc8c40e04373c64… google · xenon2026h2
Subject: www.visualstudio.com
Issuer: Microsoft Azure ECC TLS Issuing CA 04
SANs: www.visualstudio.microsoft.com, www.visualstudio.com, www.visualstudio-staging.com, wildcard.visualstudio.com, visualstudio.microsoft.com, tutorials.visualstudio.com, sxp.microsoft.com, launch.visualstudio.com, integrate.visualstudio.com, download.visualstudio.com, beta.visualstudio.com
Valid: 2026-02-11 22:41:06 → 2026-08-25 23:59:59
2dfd77eb4f8dc29b… google · xenon2026h2
Subject: www.visualstudio.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: www.visualstudio.microsoft.com, www.visualstudio.com, www.visualstudio-staging.com, wildcard.visualstudio.com, visualstudio.microsoft.com, tutorials.visualstudio.com, sxp.microsoft.com, launch.visualstudio.com, integrate.visualstudio.com, download.visualstudio.com, beta.visualstudio.com
Valid: 2026-01-29 22:22:10 → 2026-08-25 23:59:59
7ec1f8c386ef8fc4… google · xenon2026h2
Subject: www.visualstudio.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: www.visualstudio.microsoft.com, www.visualstudio.com, www.visualstudio-staging.com, wildcard.visualstudio.com, visualstudio.microsoft.com, tutorials.visualstudio.com, sxp.microsoft.com, launch.visualstudio.com, integrate.visualstudio.com, download.visualstudio.com, beta.visualstudio.com
Valid: 2026-01-29 22:22:10 → 2026-08-25 23:59:59

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 23.222.43.79 2026-07-16 18:03:44.437 2026-07-28 19:57:26.855
A 23.4.188.229 2026-07-16 18:22:19.807 2026-07-17 14:55:47.848
A 23.38.30.58 2026-07-17 21:51:11.579 2026-07-23 21:10:52.683
A 104.102.47.239 2026-07-18 04:27:54.557 2026-07-28 13:50:30.453
A 23.1.59.167 2026-07-18 05:01:58.186 2026-07-21 18:49:32.248
A 23.207.154.92 2026-07-18 05:42:49.193 2026-07-24 12:43:12.521
A 184.30.210.104 2026-07-18 17:29:46.696 2026-07-22 21:55:51.631
A 23.45.110.84 2026-07-20 13:29:46.017 2026-07-28 19:11:54.346
A 23.207.123.43 2026-07-23 19:26:25.914 2026-07-27 21:32:57.483
A 23.51.113.90 2026-07-24 21:55:50.404 2026-07-27 12:29:13.784
A 104.96.158.174 2026-07-24 23:14:17.928 2026-07-24 23:14:17.928
A 23.197.8.89 2026-07-26 16:20:59.102 2026-07-26 16:20:59.102