Check-Host.cc

Domain

developer.microsoft.com

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

Run a live full scan of developer.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
52
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
30
in our scans

DNS Records

A
104.85.2.65, 104.99.232.130, 184.30.157.19, 2.19.101.92, 2.23.244.130, 23.210.16.131, 23.219.138.130, 23.220.112.225
AAAA
2600:1408:ec00:1088::b69, 2600:1408:ec00:1089::b69, 2600:141b:1c00:128e::b69, 2600:141b:1c00:12a6::b69, 2600:141b:1c00:1386::b69, 2600:141b:1c00:13a2::b69, 2600:141b:1c00:1680::b69, 2600:141b:1c00:168b::b69
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

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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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

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

172.239.68.129:443 href · ×8
45.63.48.139:443 href · ×8
172.235.35.88:443 href · ×8
172.237.30.53:443 href · ×8
172.237.21.17:80 href · ×8
172.237.30.215:80 href · ×8
172.236.152.77:80 href · ×4
172.235.34.79:443 href · ×4
172.239.68.204:443 href · ×4
172.237.80.44:80 href · ×4
172.237.19.108:443 href · ×4
172.239.67.216:80 href · ×4
172.237.21.247:443 href · ×4
172.236.145.230:80 href · ×4
172.237.79.149:80 href · ×4
172.105.106.140:443 href · ×4
172.237.102.238:443 href · ×4
172.236.137.235:80 href · ×4
172.237.71.56:80 href · ×4
172.239.117.240:443 href · ×4
172.237.30.207:80 href · ×4
172.236.142.112:80 href · ×4
172.237.79.100:80 href · ×4
194.195.123.197:443 href · ×4
202.182.111.24:80 href · ×4
172.237.79.143:80 href · ×4
172.237.71.132:443 href · ×4
172.237.30.145:443 href · ×4
172.239.67.38:80 href · ×4
172.239.233.104:443 href · ×4
172.237.79.78:443 href · ×4
172.237.30.153:443 href · ×4
172.236.138.79:80 href · ×4
172.237.12.180:443 href · ×4
172.239.67.13:443 href · ×4
172.237.81.112:80 href · ×4
172.237.30.9:443 href · ×4
172.239.67.117:80 href · ×4
45.76.210.210:80 href · ×4
172.237.65.230:443 href · ×4
172.237.30.215:443 href · ×4
172.237.80.88:443 href · ×4
172.237.21.182:443 href · ×4
172.237.21.225:80 href · ×4
172.234.160.147:443 href · ×4
172.237.21.216:80 href · ×4
172.105.25.85:443 href · ×4
172.237.102.238:80 href · ×4
213.239.243.9:443 href · ×4
172.235.35.232:443 href · ×4

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.

b3fb681d55bfe03c… google · xenon2026h2
Subject: partner.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net, developermsft.trafficmanager.net, developermsft-canary.trafficmanager.net, developermsft-default.trafficmanager.net, partner.microsoft.com, partnermsftcom.trafficmanager.net, partnermsft.trafficmanager.net, partnermsft-canary.trafficmanager.net, partnermsft-default.trafficmanager.net
Valid: 2026-03-13 13:37:59 → 2026-08-25 23:59:59
17bdcc170d130b63… google · xenon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net
Valid: 2026-03-12 11:44:51 → 2026-08-25 23:59:59
f2781d9aa7dc88cd… google · xenon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net
Valid: 2026-01-26 07:43:48 → 2026-07-25 07:43:48
399617cd4667c693… google · xenon2026h2
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: developer.microsoft.com
Valid: 2026-01-16 14:36:03 → 2026-07-15 14:36:03
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 · 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
5178f66841e1c866… google · xenon2026h1
Subject: partner.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net, developermsft.trafficmanager.net, developermsft-canary.trafficmanager.net, developermsft-default.trafficmanager.net, partner.microsoft.com, partnermsftcom.trafficmanager.net, partnermsft.trafficmanager.net, partnermsft-canary.trafficmanager.net, partnermsft-default.trafficmanager.net
Valid: 2025-09-13 20:14:51 → 2026-03-12 20:14:51
148420815f7f396e… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net
Valid: 2025-09-11 14:55:29 → 2026-03-10 14:55:29
bbfc5bf5dc5fc7d9… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net
Valid: 2025-07-28 00:03:25 → 2026-01-24 00:03:25
6007677890f5bc84… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: developer.microsoft.com
Valid: 2025-07-20 05:12:48 → 2026-01-16 05:12:48
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
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
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
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
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
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
5aa4ed7ee243f80e… google · xenon2026h1
Subject: developer.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: developer.microsoft.com, developermsftcom.trafficmanager.net
Valid: 2025-04-28 10:19:22 → 2026-04-23 10:19:22

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 23.58.104.128 2026-05-26 02:38:03.884 2026-06-18 18:08:42.755
AAAA 2a02:26f0:e600:29f::b69 2026-05-26 02:38:03.884 2026-05-27 16:51:55.350
AAAA 2a02:26f0:e600:2b9::b69 2026-05-26 02:38:03.884 2026-05-27 16:51:55.350
AAAA 2a02:26f0:1700:192::b69 2026-05-26 02:43:02.200 2026-05-26 04:15:48.898
A 88.221.169.81 2026-05-26 02:43:02.200 2026-07-17 15:06:17.239
AAAA 2a02:26f0:1700:1a4::b69 2026-05-26 02:43:02.200 2026-05-26 04:15:48.898
AAAA 2a02:26f0:280:39e::b69 2026-05-26 04:11:07.627 2026-06-19 04:22:39.364
AAAA 2a02:26f0:280:3a4::b69 2026-05-26 04:11:07.627 2026-06-19 04:22:39.364
A 72.246.29.103 2026-05-26 04:15:48.898 2026-06-23 19:14:47.968
AAAA 2a02:26f0:1700:1a7::b69 2026-05-26 05:35:32.793 2026-06-20 14:33:46.840
AAAA 2a02:26f0:1700:1b2::b69 2026-05-26 05:35:32.793 2026-06-20 14:33:46.840
A 2.19.101.92 2026-05-26 06:40:34.301 2026-05-31 05:25:40.810
A 2.23.244.130 2026-05-26 07:34:03.928 2026-06-23 16:11:38.421
A 23.52.180.221 2026-05-26 07:46:21.929 2026-05-27 07:21:42.379
AAAA 2a02:26f0:7100:995::b69 2026-05-26 09:56:18.027 2026-05-26 09:56:18.027
AAAA 2a02:26f0:7100:9bc::b69 2026-05-26 09:56:18.027 2026-05-26 09:56:18.027
AAAA 2a02:26f0:480:129b::b69 2026-05-26 18:01:13.258 2026-05-27 16:00:51.139
AAAA 2a02:26f0:480:1298::b69 2026-05-26 18:01:13.258 2026-05-27 16:00:51.139
AAAA 2a02:26f0:c6:39c::b69 2026-05-27 01:53:31.573 2026-05-27 04:10:32.336
AAAA 2a02:26f0:c6:397::b69 2026-05-27 01:53:31.573 2026-05-27 04:10:32.336
AAAA 2a02:26f0:280:18c::b69 2026-05-27 17:20:23.420 2026-06-23 21:35:22.301
AAAA 2a02:26f0:280:19c::b69 2026-05-27 17:20:23.420 2026-06-23 21:35:22.301
AAAA 2a02:26f0:2c:5ae::b69 2026-05-31 02:31:40.750 2026-05-31 02:31:40.750
AAAA 2a02:26f0:2c:5a9::b69 2026-05-31 02:31:40.750 2026-05-31 02:31:40.750
AAAA 2a02:26f0:1180:189::b69 2026-06-15 00:07:36.295 2026-07-22 22:13:26.993
A 23.220.112.225 2026-06-15 00:07:36.295 2026-07-22 15:44:03.354
AAAA 2a02:26f0:1180:180::b69 2026-06-15 00:07:36.295 2026-07-22 22:13:26.993
A 184.30.157.19 2026-06-15 01:22:55.677 2026-07-22 12:43:10.125
AAAA 2a02:26f0:1180:196::b69 2026-06-16 01:15:07.399 2026-06-16 01:18:42.866
A 104.85.2.65 2026-06-16 01:15:07.399 2026-07-22 22:13:26.993
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 2a02:26f0:1180:198::b69 2026-06-17 08:13:25.551 2026-06-17 09:51:04.283
A 23.210.16.131 2026-06-21 10:39:47.045 2026-06-21 10:39:47.045
AAAA 2a02:26f0:1700:484::b69 2026-06-23 16:11:38.421 2026-06-23 16:11:38.421
AAAA 2a02:26f0:1700:492::b69 2026-06-23 16:11:38.421 2026-06-23 16:11:38.421
A 23.219.138.130 2026-06-23 19:12:00.801 2026-06-23 19:12:00.801
AAAA 2600:141b:1c00:13a2::b69 2026-07-16 11:52:15.984 2026-07-16 11:52:15.984
AAAA 2600:141b:1c00:1386::b69 2026-07-16 11:52:15.984 2026-07-16 11:52:15.984
A 104.99.232.130 2026-07-16 19:33:25.705 2026-07-22 06:06:06.535
AAAA 2600:141b:1c00:168b::b69 2026-07-16 19:33:25.705 2026-07-17 14:02:37.787
AAAA 2600:141b:1c00:1680::b69 2026-07-16 19:33:25.705 2026-07-17 14:02:37.787
A 23.34.124.120 2026-07-17 09:39:28.233 2026-07-17 09:39:28.233
AAAA 2600:1408:ec00:1089::b69 2026-07-18 12:59:58.184 2026-07-22 10:30:16.117
AAAA 2600:1408:ec00:1088::b69 2026-07-18 12:59:58.184 2026-07-22 10:30:16.117
A 23.56.162.128 2026-07-19 09:28:36.237 2026-07-19 09:28:36.237
AAAA 2a02:26f0:1180:591::b69 2026-07-19 17:53:10.731 2026-07-19 17:53:10.731
AAAA 2a02:26f0:1180:598::b69 2026-07-19 17:53:10.731 2026-07-19 17:53:10.731
AAAA 2600:141b:1c00:12a6::b69 2026-07-22 08:20:08.673 2026-07-22 08:20:08.673
AAAA 2600:141b:1c00:128e::b69 2026-07-22 08:20:08.673 2026-07-22 08:20:08.673