Check-Host.cc

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Domain

copilotstudio.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 copilotstudio.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
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CT + scan + body
Record Types
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seen in DNS
Observed Certs
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in our scans

DNS Records

A
13.107.213.65, 13.107.246.65, 150.171.109.100, 150.171.109.101, 150.171.109.196, 150.171.109.197, 150.171.109.34, 150.171.109.35
AAAA
2603:1061:14:20::1, 2603:1061:14:21::1, 2603:1061:14:22::1, 2603:1061:14:23::1, 2603:1061:14:32::1, 2603:1061:14:34::1, 2603:1061:14:64::1, 2603:1061:14:c3::1
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

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.

13.239.169.165:443 href · ×1
66.42.37.22:443 href · ×1
168.243.69.109:443 href · ×1
20.62.201.129:443 href · ×1
149.202.127.83:443 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.

28c9ff6b88936785… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-04-04 02:12:06 → 2026-08-25 23:59:59
09c6e41f26a8096a… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-04-03 02:52:06 → 2026-08-25 23:59:59
a6dfb00c583db69f… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-30 21:01:19 → 2026-08-25 23:59:59
67846b1d65ab2f7b… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-30 13:33:44 → 2026-08-25 23:59:59
992bc3e54cc91994… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-30 09:18:06 → 2026-08-25 23:59:59
ee967a61d3338047… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 08
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-29 09:11:56 → 2026-08-25 23:59:59
10ddb4e23a1eb16d… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-28 20:44:14 → 2026-08-25 23:59:59
83e293315f2c9f8d… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-28 20:00:02 → 2026-08-25 23:59:59
e1ca14ddf0663733… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-28 12:59:28 → 2026-08-25 23:59:59
fda2ceb4a0f334d2… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-28 09:09:06 → 2026-08-25 23:59:59
db28ac2137ea8601… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-28 04:14:29 → 2026-08-25 23:59:59
2575de345cecd993… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-27 22:59:03 → 2026-08-25 23:59:59
8c53d33b68ff94bd… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-26 15:57:45 → 2026-08-25 23:59:59
516ba607e9fd9a20… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-26 06:04:28 → 2026-08-25 23:59:59
b4fb13eeef7412b3… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 07
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-25 15:46:48 → 2026-08-25 23:59:59
175971a9fb1fd818… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-25 07:43:29 → 2026-08-25 23:59:59
d48a3b9573961355… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-22 09:40:57 → 2026-08-25 23:59:59
08bc70877d6b0869… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 03
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-21 06:53:15 → 2026-08-25 23:59:59
bbbda5321bf2bb0c… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-21 06:52:49 → 2026-08-25 23:59:59
cca7f954e4f2b6e5… google · xenon2026h2
Subject: copilotstudio.microsoft.com
Issuer: Microsoft Azure RSA TLS Issuing CA 04
SANs: copilotstudio.microsoft.com, *.copilotstudio.microsoft.com, copilotstudio.preview.microsoft.com, *.copilotstudio.preview.microsoft.com
Valid: 2026-03-21 06:52:49 → 2026-08-25 23:59:59

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
AAAA 2603:1061:14:64::1 2026-05-26 09:42:06.859 2026-06-20 02:54:48.498
A 150.171.109.100 2026-05-26 09:42:06.859 2026-06-19 09:16:47.473
A 150.171.109.101 2026-05-26 20:28:03.075 2026-06-20 10:37:10.830
A 150.171.109.36 2026-05-31 04:11:40.822 2026-07-15 22:21:10.369
AAAA 2603:1061:14:22::1 2026-06-16 20:10:30.102 2026-07-17 21:20:17.393
A 150.171.109.35 2026-06-16 20:10:30.102 2026-06-19 21:45:01.499
AAAA 2603:1061:14:c5::1 2026-06-17 23:36:43.010 2026-06-20 08:22:09.357
AAAA 2603:1061:14:20::1 2026-06-18 01:12:39.601 2026-06-19 21:45:01.499
AAAA 2603:1061:14:23::1 2026-06-18 09:19:08.813 2026-06-18 09:19:08.813
A 150.171.109.197 2026-06-19 01:12:28.458 2026-06-20 08:22:09.357
A 150.171.110.117 2026-06-19 03:56:02.895 2026-06-19 03:56:02.895
AAAA 2603:1061:14:34::1 2026-06-19 05:52:56.063 2026-07-16 13:19:48.460
AAAA 2603:1061:14:c4::1 2026-06-19 09:16:47.473 2026-06-21 14:05:06.100
AAAA 2603:1061:14:c3::1 2026-06-19 17:50:08.510 2026-06-19 17:50:08.510
A 150.171.109.34 2026-06-19 17:50:08.510 2026-07-17 21:20:17.393
A 150.171.109.196 2026-06-20 02:54:48.498 2026-06-20 02:54:48.498
A 13.107.213.65 2026-06-20 05:58:02.841 2026-06-20 05:58:02.841
AAAA 2620:1ec:bdf::65 2026-06-20 05:58:02.841 2026-06-20 05:58:02.841
A 13.107.246.65 2026-06-20 05:58:02.841 2026-06-20 05:58:02.841
AAAA 2620:1ec:46::65 2026-06-20 05:58:02.841 2026-06-20 05:58:02.841
A 150.171.109.53 2026-06-20 08:24:49.051 2026-07-17 22:54:56.475
AAAA 2603:1061:14:32::1 2026-06-20 08:24:49.051 2026-06-20 08:24:49.051
AAAA 2603:1061:14:21::1 2026-07-17 22:54:56.475 2026-07-17 22:54:56.475