Check-Host.cc

Domain

support.microsoft.com

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

Run a live full scan of support.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
13.107.213.65, 13.107.226.38, 13.107.226.42, 13.107.226.43, 13.107.226.45, 13.107.226.67, 13.107.226.72, 13.107.246.65
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, 2603:1061:14:1c2::1, 2603:1061:14:20::1, 2603:1061:14:21::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.

145.226.171.35:443 href · ×13
145.226.46.123:80 href · ×13
145.226.174.68:443 href · ×13
145.226.175.106:80 href · ×13
145.226.46.106:80 href · ×13
145.226.46.162:80 href · ×12
145.226.171.183:443 href · ×12
145.226.46.100:80 href · ×12
145.226.175.221:443 href · ×12
145.226.47.216:443 href · ×12
145.226.174.129:443 href · ×12
145.226.47.200:443 href · ×12
145.226.174.142:80 href · ×12
145.226.175.216:443 href · ×12
145.226.47.183:80 href · ×12
145.226.46.64:80 href · ×12
145.226.174.221:80 href · ×12
145.226.175.63:80 href · ×12
145.226.46.1:80 href · ×12
145.226.175.227:80 href · ×12
145.226.175.172:80 href · ×12
145.226.47.61:80 href · ×12
52.126.44.41:443 href · ×8
57.167.119.24:443 href · ×8
20.66.129.61:443 href · ×8
48.199.209.138:443 href · ×8
77.68.73.172:80 href · ×6
18.254.167.78:443 href · ×5
31.56.117.118:80 href · ×5
51.210.203.61:443 href · ×4
45.63.48.139:443 href · ×4
172.237.30.215:80 href · ×4
172.235.35.88:443 href · ×4
172.237.30.53:443 href · ×4
109.248.157.220:443 href · ×4
170.10.189.37:80 href · ×4
5.9.146.99:443 href · ×4
194.164.175.97:443 href · ×4
62.128.15.6:443 href · ×4
217.160.11.55:443 href · ×4
172.239.68.129:443 href · ×4
172.237.21.17:80 href · ×4
109.248.157.220:995 href · ×4
62.128.15.52:443 href · ×4
172.202.232.38:443 href · ×3
81.196.184.243:443 href · ×3
83.254.150.77:443 href · ×3
45.159.181.211:80 href · ×3
64.225.78.216:8080 href · ×3
82.71.214.137:80 href · ×3

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.

e9d8213d5d7e5dc1… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-03-20 02:21:34 → 2026-09-16 02:21:34
f1ef527a6607433b… google · xenon2026h2
Subject: emerald.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: emerald.microsoft.com, support.microsoft.com, concierge.live.com
Valid: 2026-02-25 22:13:01 → 2026-08-24 22:13:01
db5d6ceb532a7f52… google · xenon2026h2
Subject: support.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: support.microsoft.com
Valid: 2026-02-25 21:52:20 → 2026-08-24 21:52:20
1cd4775988966902… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-02-25 21:47:29 → 2026-08-24 21:47:29
9932c58a31928830… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-02-25 21:47:29 → 2026-08-24 21:47:29
7188c3ca9c33b895… google · xenon2026h2
Subject: emerald.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: emerald.microsoft.com, support.microsoft.com, concierge.live.com
Valid: 2026-02-23 17:18:01 → 2026-08-22 17:18:01
0c3c5541424f6cf4… google · xenon2026h2
Subject: support.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: support.microsoft.com
Valid: 2026-02-17 08:24:27 → 2026-08-16 08:24:27
e638461afe6702c5… google · xenon2026h2
Subject: support.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: support.microsoft.com
Valid: 2026-02-17 08:24:27 → 2026-08-16 08:24:27
bce65891a44c56b9… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-02-16 07:32:34 → 2026-08-15 07:32:34
c3550fe0fa884a25… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-02-16 07:32:34 → 2026-08-15 07:32:34
64a7c55862124cae… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-01-25 17:12:19 → 2026-07-24 17:12:19
aa5139e5a486ca0f… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-01-25 17:12:19 → 2026-07-24 17:12:19
53a4130df6428a92… google · xenon2026h2
Subject: support.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: support.microsoft.com
Valid: 2026-01-04 19:38:14 → 2026-07-03 19:38:14
5585c29ad15c67b8… google · xenon2026h2
Subject: support.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: support.microsoft.com
Valid: 2026-01-04 19:38:14 → 2026-07-03 19:38:14
54df8f5cfd27dd6b… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-01-03 20:02:09 → 2026-07-02 20:02:09
618f548b1cec4dd5… google · xenon2026h2
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2026-01-03 20:02:09 → 2026-07-02 20:02:09
aa66b2ba0c0479bc… sectigo · elephant2026h1
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2025-12-12 23:13:57 → 2026-06-10 23:13:57
d0724febba347580… cloudflare · nimbus2026
Subject: support.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: support.microsoft.com
Valid: 2025-11-22 05:26:04 → 2026-05-21 05:26:04
d0724febba347580… sectigo · elephant2026h1
Subject: support.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: support.microsoft.com
Valid: 2025-11-22 05:26:04 → 2026-05-21 05:26:04
c7d5b560612d71ed… cloudflare · nimbus2026
Subject: prod.support.services.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: *.support.services.microsoft.com, *.prod.support.services.microsoft.com, support.microsoft.com, prod.support.services.microsoft.com
Valid: 2025-11-20 17:57:46 → 2026-05-19 17:57:46

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 2026-06-24 00:12:22.073
AAAA 2603:1061:14:63::1 2026-05-25 21:56:50.553 2026-06-23 20:59:28.026
AAAA 2603:1061:14:21::1 2026-05-25 22:07:29.493 2026-07-21 14:19:10.630
A 150.171.109.35 2026-05-25 22:07:29.493 2026-07-21 11:24:05.065
A 150.171.109.33 2026-05-25 22:09:29.497 2026-06-23 21:35:22.301
AAAA 2603:1061:14:20::1 2026-05-25 22:09:29.497 2026-06-23 21:35:22.301
A 150.171.109.101 2026-05-26 00:07:44.959 2026-06-23 20:56:30.887
AAAA 2603:1061:14:64::1 2026-05-26 00:12:34.719 2026-06-23 20:56:30.887
A 150.171.109.36 2026-05-26 00:28:48.843 2026-07-22 06:37:48.710
A 150.171.109.34 2026-05-26 02:26:35.941 2026-07-22 10:30:16.117
AAAA 2603:1061:14:22::1 2026-05-26 02:34:00.508 2026-07-22 06:37:48.710
A 150.171.109.194 2026-05-26 02:54:15.517 2026-05-29 04:13:40.768
A 150.171.110.53 2026-05-26 03:28:26.010 2026-07-21 09:56:43.096
AAAA 2603:1061:14:135::1 2026-05-26 04:02:49.330 2026-07-22 04:10:37.294
AAAA 2603:1061:14:23::1 2026-05-26 04:56:37.608 2026-07-22 05:09:25.190
AAAA 2603:1061:14:133::1 2026-05-26 05:43:11.871 2026-07-21 08:54:38.970
A 150.171.110.54 2026-05-26 05:43:11.871 2026-07-19 20:24:47.647
AAAA 2603:1061:14:c1::1 2026-05-26 06:59:09.753 2026-05-28 05:23:40.758
A 13.107.253.67 2026-05-26 07:24:35.478 2026-06-19 07:16:37.145
A 13.107.226.67 2026-05-26 07:24:35.478 2026-06-19 07:16:37.145
AAAA 2603:1061:14:b6::1 2026-05-26 07:55:56.671 2026-06-23 14:39:08.500
A 150.171.109.193 2026-05-26 10:27:10.433 2026-05-30 13:25:40.882
AAAA 2603:1061:14:1c2::1 2026-05-26 10:48:48.499 2026-06-20 12:39:54.706
A 150.171.110.52 2026-05-26 11:07:18.608 2026-07-21 10:07:58.605
A 13.107.253.38 2026-05-26 12:05:53.518 2026-06-18 17:07:35.652
AAAA 2620:1ec:48:1::38 2026-05-26 12:05:53.518 2026-06-18 17:07:35.652
AAAA 2620:1ec:29:1::38 2026-05-26 12:05:53.518 2026-06-18 17:07:35.652
A 13.107.226.38 2026-05-26 12:05:53.518 2026-06-18 17:07:35.652
A 150.171.109.183 2026-05-26 12:46:01.758 2026-05-30 12:05:40.865
A 150.171.110.56 2026-05-26 15:58:31.117 2026-07-21 03:18:50.558
AAAA 2603:1061:14:c0::1 2026-05-26 22:00:58.872 2026-05-29 14:45:40.795
A 150.171.110.195 2026-05-27 00:59:12.512 2026-05-31 04:03:40.707
AAAA 2603:1061:14:137::1 2026-05-27 01:34:36.669 2026-07-20 22:35:17.111
AAAA 2603:1061:14:134::1 2026-05-27 03:57:02.782 2026-07-22 10:10:50.567
AAAA 2603:1061:14:174::1 2026-05-27 17:58:10.838 2026-06-21 16:19:23.317
AAAA 2620:1ec:29:1::72 2026-05-27 19:13:40.746 2026-07-22 10:39:51.806
AAAA 2620:1ec:48:1::72 2026-05-27 19:13:40.746 2026-07-22 10:39:51.806
AAAA 2620:1ec:48:1::67 2026-05-27 19:25:40.772 2026-07-22 09:06:57.538
AAAA 2620:1ec:29:1::67 2026-05-27 19:25:40.772 2026-07-22 09:06:57.538
AAAA 2620:1ec:48:1::45 2026-05-28 05:17:40.772 2026-05-29 11:13:40.830
AAAA 2620:1ec:29:1::45 2026-05-28 05:17:40.772 2026-05-29 11:13:40.830
A 13.107.226.45 2026-05-28 07:53:40.751 2026-05-28 08:01:40.759
A 13.107.253.45 2026-05-28 07:53:40.751 2026-05-28 08:01:40.759
A 13.107.246.65 2026-06-14 22:36:55.780 2026-06-14 22:36:55.780
AAAA 2620:1ec:46::65 2026-06-14 22:36:55.780 2026-06-14 22:36:55.780
A 13.107.213.65 2026-06-14 22:36:55.780 2026-06-14 22:36:55.780
AAAA 2620:1ec:bdf::65 2026-06-14 22:36:55.780 2026-06-14 22:36:55.780
A 150.171.109.212 2026-06-14 22:52:09.672 2026-06-15 16:27:43.978
AAAA 2603:1061:14:c5::1 2026-06-14 22:52:09.672 2026-06-24 00:15:50.136
A 150.171.109.244 2026-06-14 23:37:38.836 2026-06-14 23:37:38.836
AAAA 2620:1ec:48:1::43 2026-06-15 00:23:13.348 2026-06-16 04:46:08.897
A 13.107.253.43 2026-06-15 00:23:13.348 2026-06-16 04:46:08.897
AAAA 2620:1ec:29:1::43 2026-06-15 00:23:13.348 2026-06-16 04:46:08.897
A 13.107.226.43 2026-06-15 00:23:13.348 2026-06-16 04:46:08.897
AAAA 2603:1061:14:d3::1 2026-06-15 00:54:33.538 2026-06-15 00:54:33.538
A 150.171.109.197 2026-06-15 00:54:33.538 2026-06-23 22:59:58.557
A 150.171.110.117 2026-06-15 02:03:18.579 2026-06-18 04:48:34.126
AAAA 2603:1061:14:c4::1 2026-06-15 02:03:18.579 2026-06-23 22:59:58.557
A 150.171.109.198 2026-06-15 02:06:31.468 2026-06-23 19:12:00.801
A 150.171.109.210 2026-06-15 03:33:40.639 2026-06-15 03:33:40.639
AAAA 2603:1061:14:d0::1 2026-06-15 03:45:17.998 2026-06-15 03:45:17.998
AAAA 2603:1061:14:c3::1 2026-06-15 08:56:22.831 2026-06-24 00:12:22.073
A 150.171.109.196 2026-06-15 13:54:34.245 2026-06-23 17:16:00.000
A 150.171.109.216 2026-06-15 18:23:07.229 2026-06-15 18:23:07.229
AAAA 2603:1061:14:d1::1 2026-06-16 00:55:32.816 2026-06-16 00:55:32.816
AAAA 2603:1061:14:f0::1 2026-06-16 12:51:35.469 2026-06-16 12:51:35.469
AAAA 2603:1061:14:d7::1 2026-06-17 03:19:03.749 2026-06-17 03:19:03.749
AAAA 2603:1061:14:f4::1 2026-06-17 06:51:08.343 2026-06-17 06:51:08.343
A 150.171.109.215 2026-06-17 09:51:04.283 2026-06-17 09:51:04.283
A 13.107.226.42 2026-06-17 10:00:03.812 2026-06-17 10:00:03.812
AAAA 2620:1ec:29:1::42 2026-06-17 10:00:03.812 2026-06-17 10:00:03.812
A 13.107.253.42 2026-06-17 10:00:03.812 2026-06-17 10:00:03.812
AAAA 2620:1ec:48:1::42 2026-06-17 10:00:03.812 2026-06-17 10:00:03.812
A 150.171.109.51 2026-06-20 01:49:05.336 2026-07-22 10:00:42.790
A 150.171.109.53 2026-06-21 05:51:05.953 2026-07-22 10:10:50.567
AAAA 2603:1061:14:34::1 2026-06-21 12:36:55.616 2026-07-22 10:30:16.117
AAAA 2603:1061:14:32::1 2026-06-23 00:47:34.149 2026-07-22 08:20:08.673
A 13.107.226.72 2026-07-22 10:39:51.806 2026-07-22 10:39:51.806
A 13.107.253.72 2026-07-22 10:39:51.806 2026-07-22 10:39:51.806