Check-Host.cc

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

dev.azure.com

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

DNS Check HTTP Check Run Full Scan .com TLD

Run a live full scan of dev.azure.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
4
A/AAAA targets
Subdomains
—
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
163
in our scans

DNS Records

A
150.171.73.16, 150.171.74.16
AAAA
2603:1061:10:1::16, 2603:1061:10::16
MX
—
NS
ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info
TXT
—
CNAME
—
CAA
0 contactemail "caarecordaware@microsoft.com"

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

52.250.216.161:443 b93e280ab24d…
Subject: reporting.cis-dev.azure.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: reporting.cis-dev.azure.com
20.37.158.53:443 5e8d3a5dbbf9…
Subject: visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: *.app.visualstudio.com, *.visualstudio.com, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com, visualstudio.com, x-pipes.vsassets.io
40.74.28.64:443 3e5685bd6023…
Subject: analytics.visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: *.analytics.visualstudio.com, *.app.analytics.visualstudio.com, *.dev.azure.com, analytics.visualstudio.com, app.analytics.visualstudio.com, dev.azure.com
40.74.28.47:443 69dec440f630…
Subject: visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: *.app.visualstudio.com, *.visualstudio.com, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com, visualstudio.com, x-pipes.vsassets.io
51.104.26.0:443 85146d45d251…
Subject: visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: *.app.visualstudio.com, *.visualstudio.com, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com, visualstudio.com, x-pipes.vsassets.io
20.41.6.26:443 7e93b080310e…
Subject: visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: *.app.visualstudio.com, *.visualstudio.com, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com, visualstudio.com, x-pipes.vsassets.io
20.166.41.2:443 0bee3187fa8b…
Subject: visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: *.app.visualstudio.com, *.visualstudio.com, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com, visualstudio.com, x-pipes.vsassets.io

IPs Citing This Domain

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

77.237.127.197:443 href · ×21
9.223.176.231:80 href · ×13
34.111.137.215:443 href · ×10
20.224.2.220:80 href · ×8
91.9.133.250:443 href · ×5
91.9.128.3:80 href · ×5
20.98.130.15:443 href · ×4
109.176.11.70:443 href · ×4
104.236.65.96:443 href · ×4
172.105.169.242:80 href · ×3
120.79.243.141:443 href · ×2
13.89.99.113:443 href · ×2
5.45.105.119:443 href · ×2
13.80.170.5:443 href · ×2
34.166.60.16:443 href · ×2
20.108.42.250:80 href · ×2
172.212.203.135:80 href · ×2
45.135.59.183:80 href · ×2
52.53.107.4:80 href · ×2
49.13.19.8:8080 href · ×1
34.36.31.208:443 href · ×1
49.13.19.8:443 href · ×1
34.73.70.221:443 href · ×1
20.124.33.98:443 href · ×1
136.144.174.37:443 href · ×1
34.54.49.33:443 href · ×1
167.99.60.31:443 href · ×1
66.42.41.169:80 href · ×1
109.199.96.37:80 href · ×1
68.71.93.55:80 href · ×1
20.51.254.213:443 href · ×1

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.

3422efdc05c502d1… google · xenon2026h2
Subject: dpdbot.visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: dpdbot.visualstudio.com, *.dpdbot.visualstudio.com, *.app.dpdbot.visualstudio.com, app.dpdbot.visualstudio.com, dev.azure.com, *.dev.azure.com
Valid: 2026-04-07 04:26:24 → 2026-08-25 23:59:59
8ae020ee0f92deb7… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-04-01 11:34:39 → 2026-08-25 23:59:59
94bf462862ac3dad… google · xenon2026h2
Subject: vscommerce.visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: vscommerce.visualstudio.com, *.vscommerce.visualstudio.com, *.app.vscommerce.visualstudio.com, app.vscommerce.visualstudio.com, dev.azure.com, *.dev.azure.com
Valid: 2026-04-01 11:29:51 → 2026-08-25 23:59:59
910682485376dda1… google · xenon2026h2
Subject: vstskalypso.visualstudio.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: vstskalypso.visualstudio.com, *.vstskalypso.visualstudio.com, *.app.vstskalypso.visualstudio.com, app.vstskalypso.visualstudio.com, dev.azure.com, *.dev.azure.com
Valid: 2026-03-31 21:54:41 → 2026-09-27 21:54:41
68d92bb09b65af3d… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-28 19:02:03 → 2026-08-25 23:59:59
d5e0b21e1a58fc97… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-13 19:50:28 → 2026-08-25 23:59:59
817e79e5fca6db3d… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-09 21:20:59 → 2026-08-25 23:59:59
66f262effacc962f… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-03 00:09:35 → 2026-08-25 23:59:59
e42d88665984c41f… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 22:29:52 → 2026-08-25 23:59:59
2d7e14dad244115c… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 18:19:05 → 2026-08-25 23:59:59
efbf9709dd27eaca… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 18:08:37 → 2026-08-25 23:59:59
16426fbc82768026… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 16:47:12 → 2026-08-25 23:59:59
548d4fb6dfda2e1f… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 12:03:33 → 2026-08-25 23:59:59
43ed5de959bf73f7… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 11:43:26 → 2026-08-25 23:59:59
16c3b5e3bd5ea57b… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 11:40:46 → 2026-08-25 23:59:59
2a55d27b7447210f… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 07:53:50 → 2026-08-25 23:59:59
dc8740f0a1e1c95e… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 06:48:31 → 2026-08-25 23:59:59
10ffd7dc40df9b93… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 06:00:11 → 2026-08-25 23:59:59
e092c7aa9ba134ce… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 05:39:30 → 2026-08-25 23:59:59
b878ff04797c5342… google · xenon2026h2
Subject: visualstudio.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: visualstudio.com, *.visualstudio.com, *.app.visualstudio.com, x-pipes.vsassets.io, dev.azure.com, ssh.dev.azure.com, tfs.dev.azure.com
Valid: 2026-03-02 05:37:39 → 2026-08-25 23:59:59

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.