Check-Host.cc

Domain

apps.dev.microsoft.com

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

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

DNS Records

A
20.190.152.144, 20.190.152.23, 20.190.152.80, 20.190.181.19, 20.190.181.21, 20.190.181.22, 40.126.24.145, 40.126.24.16
AAAA
2603:1026:3000:150::2, 2603:1026:3000:150::3, 2603:1027:1:148::b, 2603:1027:1:158::7, 2603:1027:1:28::, 2603:1027:1:28::14, 2603:1027:1:28::15, 2603:1027:1:28::16
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

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.

285042032cc85de3… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
36d176bc2ecec03d… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
c7b281b7e15d9a60… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
8fbe8017b46312a7… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
3b1ad84870b7a04f… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
c5ad9275cd0fb760… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
6196877118fcf88c… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-04 00:00:00 → 2026-10-01 23:59:59
f0b20712fb668843… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-03 00:00:00 → 2026-09-30 23:59:59
f969e367e05ef9d1… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-03 00:00:00 → 2026-09-30 23:59:59
68adf22fb2b0958b… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-03 00:00:00 → 2026-09-30 23:59:59
779a655449bb3a60… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-03 00:00:00 → 2026-09-30 23:59:59
859e19d7c12777f2… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-03 00:00:00 → 2026-09-30 23:59:59
567da6952c6b4e20… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-02 00:00:00 → 2026-09-29 23:59:59
0f1c4abea279deb5… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-02 00:00:00 → 2026-09-29 23:59:59
26362d355205afa9… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-02 00:00:00 → 2026-09-29 23:59:59
2bd2d599598e8d8c… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-02 00:00:00 → 2026-09-29 23:59:59
475b4591740e31df… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-02 00:00:00 → 2026-09-29 23:59:59
ea4f7649ce6a8a5c… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-02 00:00:00 → 2026-09-29 23:59:59
4ea3a6dc4514d4a3… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-01 00:00:00 → 2026-09-28 23:59:59
a17d4afe4d0b95bd… google · xenon2026h2
Subject: identity.microsoft.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: identity.microsoft.com, applications.microsoft-int.com, applications.microsoft.com, apps.dev.microsoft-int.com, apps.dev.microsoft.com, identity.microsoft-int.com
Valid: 2026-04-01 00:00:00 → 2026-09-28 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
A 40.126.32.129 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
A 40.126.32.131 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
A 40.126.32.6 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
AAAA 2603:1026:3000:150::2 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
AAAA 2603:1027:1:148::b 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
AAAA 2603:1026:3000:150::3 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
AAAA 2603:1027:1:158::7 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
A 40.126.32.66 2026-05-31 06:15:49.821 2026-07-20 06:59:26.081
A 40.126.53.1 2026-05-31 21:24:51.412 2026-07-19 14:51:58.173
A 20.190.181.22 2026-05-31 21:24:51.412 2026-07-19 14:51:58.173
A 20.190.181.19 2026-05-31 21:24:51.412 2026-07-19 14:51:58.173
A 40.126.53.23 2026-05-31 21:24:51.412 2026-07-17 15:51:41.338
A 40.126.53.2 2026-05-31 21:24:51.412 2026-07-19 14:51:58.173
A 20.190.181.21 2026-05-31 21:24:51.412 2026-07-19 14:51:58.173
A 40.126.53.0 2026-05-31 21:24:51.412 2026-07-19 14:51:58.173
A 40.126.53.3 2026-05-31 21:24:51.412 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::15 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::19 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::2 2026-06-15 09:57:28.986 2026-07-17 11:30:52.065
AAAA 2603:1027:1:28:: 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::3 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
A 40.126.53.4 2026-06-15 09:57:28.986 2026-07-19 14:51:58.173
AAAA 2603:1027:1:28::14 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::b 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
A 40.126.53.5 2026-06-15 09:57:28.986 2026-07-19 14:51:58.173
AAAA 2603:1027:1:28::18 2026-06-15 09:57:28.986 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::17 2026-06-18 06:03:06.357 2026-07-17 15:51:41.338
AAAA 2603:1027:1:28::16 2026-06-18 16:08:49.569 2026-07-17 11:30:52.065
A 20.190.152.80 2026-07-18 01:49:02.310 2026-07-18 01:49:02.310
A 20.190.152.23 2026-07-18 01:49:02.310 2026-07-18 01:49:02.310
A 20.190.152.144 2026-07-18 01:49:02.310 2026-07-18 01:49:02.310
A 40.126.24.16 2026-07-18 01:49:02.310 2026-07-18 01:49:02.310
A 40.126.24.145 2026-07-18 01:49:02.310 2026-07-18 01:49:02.310
AAAA 2603:1036:3000:128::8 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173
AAAA 2603:1036:3000:138::8 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173
AAAA 2603:1037:1:130::8 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173
AAAA 2603:1036:3000:128::9 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173
AAAA 2603:1037:1:130::7 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173
AAAA 2603:1036:3000:138::7 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173
AAAA 2603:1036:3000:128::7 2026-07-19 14:51:58.173 2026-07-19 14:51:58.173