Check-Host.cc

Domain

technet.microsoft.com

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

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

DNS Records

A
13.107.226.38, 13.107.226.43, 13.107.226.67, 13.107.226.72, 13.107.253.38, 13.107.253.43, 13.107.253.67, 13.107.253.72
AAAA
2603:1061:14:133::1, 2603:1061:14:134::1, 2603:1061:14:135::1, 2603:1061:14:137::1, 2603:1061:14:174::1, 2603:1061:14:20::1, 2603:1061:14:21::1, 2603:1061:14:22::1
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

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

218.38.161.191:80 href · ×4
172.237.30.215:80 href · ×3
128.27.75.66:8080 href · ×3
172.237.30.53:443 href · ×2
159.203.88.222:443 href · ×2
172.237.21.17:80 href · ×2
192.254.76.245:443 href · ×2
153.192.43.52:8081 href · ×2
183.97.156.161:8080 href · ×2
220.88.162.201:8080 href · ×2
173.233.95.84:443 href · ×2
66.187.70.26:443 href · ×2
222.108.163.98:8081 href · ×2
220.126.3.154:80 href · ×2
153.198.176.190:8080 href · ×2
45.63.48.139:443 href · ×2
118.38.199.116:80 href · ×2
58.239.217.136:80 href · ×2
172.235.35.88:443 href · ×2
104.200.214.220:80 href · ×2
168.126.202.62:8000 href · ×2
211.198.160.213:8080 href · ×2
52.156.129.44:443 href · ×2
59.3.53.104:80 href · ×2
14.63.220.142:443 href · ×2
172.239.68.129:443 href · ×2
121.143.69.184:80 href · ×2
172.237.79.78:443 href · ×1
71.95.100.130:80 href · ×1
172.237.71.132:443 href · ×1
111.234.141.8:8081 href · ×1
173.198.18.198:8088 href · ×1
172.237.27.98:80 href · ×1
210.101.69.213:8081 href · ×1
172.237.79.100:80 href · ×1
165.229.201.22:80 href · ×1
85.214.225.141:443 href · ×1
88.70.71.65:8081 href · ×1
59.0.77.222:8081 href · ×1
190.187.168.26:80 href · ×1
190.187.185.11:80 href · ×1
27.78.182.128:80 href · ×1
134.41.204.39:8000 href · ×1
172.235.35.232:443 href · ×1
220.86.41.56:80 href · ×1
165.229.201.69:80 href · ×1
175.205.152.72:80 href · ×1
60.39.58.102:8081 href · ×1
172.237.21.247:443 href · ×1
112.167.237.221:8081 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.

74155229ca6a4d65… google · xenon2026h2
Subject: technet.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: technet.microsoft.com
Valid: 2026-02-01 21:22:42 → 2026-07-31 21:22:42
b761f75899eb107a… cloudflare · nimbus2026
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: technet.microsoft.com
Valid: 2025-11-03 12:53:27 → 2026-05-02 12:53:27
b761f75899eb107a… sectigo · elephant2026h1
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: technet.microsoft.com
Valid: 2025-11-03 12:53:27 → 2026-05-02 12:53:27
53ce1a903fd61a65… google · xenon2026h1
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: technet.microsoft.com
Valid: 2025-08-05 00:00:14 → 2026-02-01 00:00:14
7bf2b481cbbd4c29… google · argon2026h1
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: technet.microsoft.com
Valid: 2025-05-13 15:56:59 → 2026-05-08 15:56:59
f4610ad76eaba711… google · xenon2026h1
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: technet.microsoft.com
Valid: 2025-05-13 15:56:59 → 2026-05-08 15:56:59
7bf2b481cbbd4c29… google · xenon2026h1
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: technet.microsoft.com
Valid: 2025-05-13 15:56:59 → 2026-05-08 15:56:59
f4610ad76eaba711… cloudflare · nimbus2026
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: technet.microsoft.com
Valid: 2025-05-13 15:56:59 → 2026-05-08 15:56:59
f4610ad76eaba711… sectigo · elephant2026h1
Subject: technet.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: technet.microsoft.com
Valid: 2025-05-13 15:56:59 → 2026-05-08 15:56:59

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 150.171.109.100 2026-05-25 21:56:50.553 2026-06-23 20:09:05.501
AAAA 2603:1061:14:64::1 2026-05-25 21:56:50.553 2026-06-23 19:14:47.968
AAAA 2603:1061:14:21::1 2026-05-25 21:58:50.500 2026-07-25 19:04:40.391
A 150.171.109.34 2026-05-25 21:58:50.500 2026-07-25 19:58:59.813
AAAA 2603:1061:14:23::1 2026-05-25 22:05:29.416 2026-07-24 02:45:01.182
AAAA 2603:1061:14:20::1 2026-05-25 22:07:29.493 2026-06-23 10:42:30.294
A 150.171.109.35 2026-05-25 22:07:29.493 2026-07-25 15:04:44.900
A 150.171.110.56 2026-05-25 22:09:29.497 2026-07-20 16:36:28.581
AAAA 2603:1061:14:22::1 2026-05-26 02:38:03.884 2026-07-24 08:41:33.492
A 150.171.109.36 2026-05-26 03:28:26.010 2026-07-25 06:06:04.591
AAAA 2603:1061:14:63::1 2026-05-26 03:41:45.201 2026-06-23 23:03:07.256
A 150.171.110.54 2026-05-26 05:30:55.049 2026-07-22 06:06:06.535
A 150.171.109.193 2026-05-26 05:35:32.793 2026-05-26 05:35:32.793
AAAA 2603:1061:14:135::1 2026-05-26 05:35:32.793 2026-07-25 10:34:09.128
A 150.171.109.101 2026-05-26 06:40:34.301 2026-06-23 20:13:35.709
A 150.171.109.194 2026-05-26 07:34:03.928 2026-05-27 16:29:00.225
A 150.171.110.195 2026-05-26 09:42:06.859 2026-06-22 21:16:43.723
AAAA 2603:1061:14:c1::1 2026-05-26 14:15:34.038 2026-05-26 14:15:34.038
AAAA 2603:1061:14:c0::1 2026-05-26 22:47:25.101 2026-05-26 22:47:25.101
A 150.171.109.33 2026-05-26 23:23:16.070 2026-06-19 21:09:07.694
AAAA 2603:1061:14:137::1 2026-05-27 05:54:21.886 2026-07-25 15:04:44.900
AAAA 2603:1061:14:134::1 2026-05-31 02:35:40.823 2026-07-22 06:06:06.535
A 150.171.110.52 2026-05-31 05:21:51.565 2026-07-17 10:53:49.832
AAAA 2603:1061:14:b6::1 2026-05-31 07:51:40.747 2026-05-31 07:51:40.747
A 13.107.226.43 2026-06-14 22:36:55.780 2026-06-15 01:07:50.467
A 13.107.253.43 2026-06-14 22:36:55.780 2026-06-15 01:07:50.467
AAAA 2620:1ec:29:1::43 2026-06-14 22:36:55.780 2026-06-15 01:07:50.467
AAAA 2620:1ec:48:1::43 2026-06-14 22:36:55.780 2026-06-15 01:07:50.467
A 150.171.110.117 2026-06-15 00:23:13.348 2026-06-21 18:44:16.226
AAAA 2603:1061:14:c5::1 2026-06-15 05:49:23.774 2026-06-23 22:13:08.290
A 150.171.109.196 2026-06-15 09:00:44.534 2026-06-21 18:23:54.148
A 150.171.109.197 2026-06-15 12:22:51.986 2026-06-23 23:03:07.256
A 150.171.109.198 2026-06-15 12:53:52.495 2026-06-23 23:06:50.782
A 150.171.109.214 2026-06-15 12:56:59.867 2026-06-15 12:56:59.867
AAAA 2603:1061:14:c4::1 2026-06-15 13:00:11.375 2026-06-23 22:16:38.120
AAAA 2603:1061:14:c3::1 2026-06-16 01:15:07.399 2026-06-23 23:06:50.782
A 150.171.109.209 2026-06-16 01:15:07.399 2026-06-16 01:18:42.866
AAAA 2603:1061:14:d0::1 2026-06-16 18:29:25.681 2026-06-16 18:29:25.681
A 150.171.110.114 2026-06-17 08:02:55.378 2026-06-17 08:02:55.378
AAAA 2603:1061:14:f0::1 2026-06-17 08:13:25.551 2026-06-17 08:13:25.551
A 150.171.109.210 2026-06-17 09:48:04.601 2026-06-17 09:48:04.601
AAAA 2603:1061:14:d1::1 2026-06-17 09:51:04.283 2026-06-17 09:51:04.283
A 150.171.109.215 2026-06-17 12:39:58.275 2026-06-17 12:39:58.275
AAAA 2603:1061:14:174::1 2026-06-17 16:03:10.095 2026-06-17 16:03:10.095
AAAA 2620:1ec:48:1::38 2026-06-18 18:08:42.755 2026-06-18 18:08:42.755
A 13.107.226.38 2026-06-18 18:08:42.755 2026-06-18 18:08:42.755
A 13.107.253.38 2026-06-18 18:08:42.755 2026-06-18 18:08:42.755
AAAA 2620:1ec:29:1::38 2026-06-18 18:08:42.755 2026-06-18 18:08:42.755
A 150.171.109.51 2026-06-20 00:23:07.692 2026-07-26 13:05:23.356
A 150.171.109.53 2026-07-16 11:52:15.984 2026-07-25 23:38:59.001
AAAA 2603:1061:14:32::1 2026-07-16 11:52:15.984 2026-07-26 05:01:06.184
AAAA 2603:1061:14:34::1 2026-07-16 13:13:26.601 2026-07-26 13:05:23.356
AAAA 2603:1061:14:133::1 2026-07-16 19:33:25.705 2026-07-24 02:35:42.567
A 150.171.110.53 2026-07-17 14:02:37.787 2026-07-24 02:35:42.567
A 13.107.253.72 2026-07-22 08:38:34.243 2026-07-22 08:38:34.243
A 13.107.226.72 2026-07-22 08:38:34.243 2026-07-22 08:38:34.243
AAAA 2620:1ec:29:1::72 2026-07-22 08:38:34.243 2026-07-22 08:38:34.243
AAAA 2620:1ec:48:1::72 2026-07-22 08:38:34.243 2026-07-22 08:38:34.243
AAAA 2620:1ec:48:1::67 2026-07-22 13:21:56.713 2026-07-22 13:21:56.713
A 13.107.253.67 2026-07-22 13:21:56.713 2026-07-22 13:21:56.713
AAAA 2620:1ec:29:1::67 2026-07-22 13:21:56.713 2026-07-22 13:21:56.713
A 13.107.226.67 2026-07-22 13:21:56.713 2026-07-22 13:21:56.713