Check-Host.cc

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

dev.microsoft.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.microsoft.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
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A/AAAA targets
Subdomains
—
CT + scan + body
Record Types
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seen in DNS
Observed Certs
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in our scans

DNS Records

A
104.85.2.65, 104.99.232.130, 184.30.157.19, 23.210.16.131, 23.219.8.120, 23.220.112.225, 23.34.124.120, 23.44.208.118
AAAA
2600:1408:ec00:1088::b69, 2600:1408:ec00:1089::b69, 2600:141b:1c00:1386::b69, 2600:141b:1c00:13a2::b69, 2600:141b:1c00:1680::b69, 2600:141b:1c00:168b::b69, 2a02:26f0:1180:180::b69, 2a02:26f0:1180:189::b69
MX
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NS
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TXT
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CNAME
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CAA
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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

2.18.224.122:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.57.251.112:443 af9cb50bd234…
Subject: origin.azuredev.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 02
SANs: origin.azuredev.microsoft.com, origin.azureperf.microsoft.com, origin.azureppe.microsoft.com
23.204.88.108:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.57.174.117:443 e5b5185a894d…
Subject: applydev.microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: applydev.microsoft.com
23.205.233.100:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.2.139.81:443 d6c03d9b5c89…
Subject: wwwdev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: wwwdev.microsoft.com, wwwlocal.microsoft.com, wwwperf.microsoft.com, wwwppe.microsoft.com, wwwstg.microsoft.com
23.4.191.120:443 d6c03d9b5c89…
Subject: wwwdev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: wwwdev.microsoft.com, wwwlocal.microsoft.com, wwwperf.microsoft.com, wwwppe.microsoft.com, wwwstg.microsoft.com
23.34.0.120:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
92.123.159.93:443 d6c03d9b5c89…
Subject: wwwdev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: wwwdev.microsoft.com, wwwlocal.microsoft.com, wwwperf.microsoft.com, wwwppe.microsoft.com, wwwstg.microsoft.com
104.85.232.149:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.215.120.130:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.56.219.240:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
69.192.89.185:443 af9cb50bd234…
Subject: origin.azuredev.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 02
SANs: origin.azuredev.microsoft.com, origin.azureperf.microsoft.com, origin.azureppe.microsoft.com
104.89.193.96:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
52.190.192.192:443 579aedb52620…
Subject: cersk-dev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: cersk-dev.microsoft.com
104.116.172.130:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.222.72.217:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.217.224.39:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.6.106.107:443 af9cb50bd234…
Subject: origin.azuredev.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 02
SANs: origin.azuredev.microsoft.com, origin.azureperf.microsoft.com, origin.azureppe.microsoft.com
23.204.13.229:443 e5b5185a894d…
Subject: applydev.microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: applydev.microsoft.com
23.79.178.194:443 e5b5185a894d…
Subject: applydev.microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: applydev.microsoft.com
23.57.120.122:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.193.236.121:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
23.210.116.193:443 d6c03d9b5c89…
Subject: wwwdev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: wwwdev.microsoft.com, wwwlocal.microsoft.com, wwwperf.microsoft.com, wwwppe.microsoft.com, wwwstg.microsoft.com
69.192.31.182:443 af9cb50bd234…
Subject: origin.azuredev.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 02
SANs: origin.azuredev.microsoft.com, origin.azureperf.microsoft.com, origin.azureppe.microsoft.com
184.31.72.34:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
128.24.185.164:443 4830b1c9cae8…
Subject: qualitycheckpoint-dev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: qualitycheckpoint-dev-westcentralus.microsoft.com, qualitycheckpoint-dev.microsoft.com
23.8.10.251:443 d6c03d9b5c89…
Subject: wwwdev.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: wwwdev.microsoft.com, wwwlocal.microsoft.com, wwwperf.microsoft.com, wwwppe.microsoft.com, wwwstg.microsoft.com
23.196.105.35:443 e5b5185a894d…
Subject: applydev.microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: applydev.microsoft.com
23.193.205.196:443 8cb2305354b3…
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com

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.

cf3a09c0977b0699… google · argon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-12-17 21:40:15 → 2026-12-12 21:40:15
8d65611cc0541127… google · argon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-12-17 21:40:15 → 2026-12-12 21:40:15
8d65611cc0541127… google · xenon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-12-17 21:40:15 → 2026-12-12 21:40:15
cf3a09c0977b0699… google · xenon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 ECC CA OCSP 06
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-12-17 21:40:15 → 2026-12-12 21:40:15
6c7c7772ee160ecb… google · argon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-12-17 21:38:35 → 2026-12-12 21:38:35
6c7c7772ee160ecb… google · xenon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-12-17 21:38:35 → 2026-12-12 21:38:35
24e702d365e8b126… google · argon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:32:33 → 2026-06-14 19:32:33
24e702d365e8b126… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:32:33 → 2026-06-14 19:32:33
1b62eec9136ac8a4… google · argon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:31:15 → 2026-06-14 19:31:15
ce4d40c46faa0cf9… google · argon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:31:15 → 2026-06-14 19:31:15
ce4d40c46faa0cf9… cloudflare · nimbus2026
Subject: developer.microsoft.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:31:15 → 2026-06-14 19:31:15
1b62eec9136ac8a4… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:31:15 → 2026-06-14 19:31:15
ce4d40c46faa0cf9… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:31:15 → 2026-06-14 19:31:15
ce4d40c46faa0cf9… sectigo · elephant2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure ECC TLS Issuing CA 07
SANs: *.developer.microsoft.com, dev.microsoft.com, developer.microsoft.com, developers.microsoft.com
Valid: 2025-06-19 19:31:15 → 2026-06-14 19:31:15

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
AAAA 2a02:26f0:280:19c::b69 2026-06-02 15:24:20.474 2026-06-02 15:24:20.474
AAAA 2a02:26f0:280:18c::b69 2026-06-02 15:24:20.474 2026-06-02 15:24:20.474
A 88.221.169.81 2026-06-02 15:24:20.474 2026-07-24 18:11:24.835
A 23.220.112.225 2026-06-16 03:21:56.319 2026-07-24 15:35:18.038
AAAA 2a02:26f0:6d00:5b7::b69 2026-06-16 03:21:56.319 2026-06-16 03:21:56.319
AAAA 2a02:26f0:6d00:593::b69 2026-06-16 03:21:56.319 2026-06-16 03:21:56.319
AAAA 2a02:26f0:1180:180::b69 2026-06-16 18:05:30.137 2026-07-25 06:34:36.452
A 104.85.2.65 2026-06-16 18:05:30.137 2026-07-25 06:34:36.452
AAAA 2a02:26f0:1180:189::b69 2026-06-16 18:05:30.137 2026-07-25 06:34:36.452
A 23.58.104.128 2026-06-16 18:08:15.024 2026-06-16 18:08:15.024
A 184.30.157.19 2026-07-16 17:12:01.194 2026-07-22 15:44:03.354
A 104.99.232.130 2026-07-17 09:29:24.690 2026-07-24 15:46:57.652
AAAA 2a02:26f0:1700:1b2::b69 2026-07-17 09:39:28.233 2026-07-17 09:39:28.233
A 23.34.124.120 2026-07-17 09:39:28.233 2026-07-18 08:02:41.926
AAAA 2a02:26f0:1700:1a7::b69 2026-07-17 09:39:28.233 2026-07-17 09:39:28.233
AAAA 2600:1408:ec00:1088::b69 2026-07-18 08:02:41.926 2026-07-18 08:02:41.926
AAAA 2600:1408:ec00:1089::b69 2026-07-18 08:02:41.926 2026-07-18 08:02:41.926
A 23.44.208.118 2026-07-18 12:59:58.184 2026-07-18 12:59:58.184
A 23.219.8.120 2026-07-19 01:17:10.890 2026-07-19 01:17:10.890
AAAA 2600:141b:1c00:13a2::b69 2026-07-19 09:28:36.237 2026-07-19 09:28:36.237
AAAA 2600:141b:1c00:1386::b69 2026-07-19 09:28:36.237 2026-07-19 09:28:36.237
AAAA 2a02:26f0:11a:3a1::b69 2026-07-20 19:02:36.082 2026-07-20 19:02:36.082
AAAA 2a02:26f0:11a:395::b69 2026-07-20 19:02:36.082 2026-07-20 19:02:36.082
A 23.210.16.131 2026-07-23 10:40:09.175 2026-07-23 10:49:17.562
A 23.48.9.2 2026-07-23 22:44:05.318 2026-07-23 22:44:05.318
AAAA 2a02:26f0:1180:591::b69 2026-07-24 15:35:18.038 2026-07-24 15:35:18.038
AAAA 2a02:26f0:1180:598::b69 2026-07-24 15:35:18.038 2026-07-24 15:35:18.038
AAAA 2600:141b:1c00:168b::b69 2026-07-24 18:11:24.835 2026-07-24 18:11:24.835
AAAA 2600:141b:1c00:1680::b69 2026-07-24 18:11:24.835 2026-07-24 18:11:24.835