Check-Host.cc

Domain

s-microsoft.com

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

Run a live full scan of s-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
359
A/AAAA targets
Subdomains
35
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
in our scans

DNS Records

A
AAAA
MX
NS
ns1-205.azure-dns.com, ns2-205.azure-dns.net, ns3-205.azure-dns.org, ns4-205.azure-dns.info
TXT
CNAME
CAA
0 contactemail "caarecordaware@microsoft.com"

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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: request.access-microsoft.com
Issuer: E7
SANs: request.access-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: i.s-microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: css.microsoft.com, i.microsoft.com, i.s-microsoft.com, i2.microsoft.com, i3.microsoft.com, img.microsoft.com, js.microsoft.com, products.office.com, testdrive.office.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com
Subject: *.s-microsoft.com
Issuer: Microsoft RSA TLS CA 01
SANs: *.s-microsoft.com

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.

Origin IP Origin ASN CDN ASN Confidence Reasoning
185.219.7.177 AS400992 AS20940 95% cert 9f17b548… served by 185.219.7.177 (AS400992) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:3be::356e, 23.193.238.69, 2a02:26f0:b200:39a::356e, 23.47.22.21
202.61.193.214 AS197540 AS20940 95% cert 9f17b548… served by 202.61.193.214 (AS197540) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:3be::356e, 23.193.238.69, 2a02:26f0:b200:39a::356e, 23.47.22.21
103.26.0.74 AS23724 AS20940 95% cert 9f17b548… served by 103.26.0.74 (AS23724) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2600:141b:1c00:2097::356e, 104.99.234.128, 2600:141b:1c00:2092::356e, 2a02:26f0:b200:29a::356e
85.198.91.138 AS57008 AS16625 95% cert 9f17b548… served by 85.198.91.138 (AS57008) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS16625) at 104.99.234.128, 2a02:26f0:b200:2a3::356e, 2a02:26f0:b200:29a::356e, 184.30.158.70
85.198.91.138 AS57008 AS20940 95% cert 9f17b548… served by 85.198.91.138 (AS57008) carries SAN i.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 104.99.234.128, 2a02:26f0:b200:2a3::356e, 23.220.113.225
167.179.105.187 AS20473 AS16625 95% cert 9f17b548… served by 167.179.105.187 (AS20473) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS16625) at 104.99.234.128, 2a02:26f0:b200:2a3::356e, 2a02:26f0:b200:29a::356e, 184.30.158.70
167.179.105.187 AS20473 AS20940 95% cert 9f17b548… served by 167.179.105.187 (AS20473) carries SAN i.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 104.99.234.128, 2a02:26f0:b200:2a3::356e, 23.220.113.225
157.173.27.173 AS216416 AS20940 95% cert 9f17b548… served by 157.173.27.173 (AS216416) carries SAN i.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 104.99.234.128, 2a02:26f0:b200:2a3::356e, 23.220.113.225
157.173.27.173 AS216416 AS16625 95% cert 9f17b548… served by 157.173.27.173 (AS216416) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS16625) at 104.99.234.128, 2a02:26f0:b200:2a3::356e, 2a02:26f0:b200:29a::356e, 184.30.158.70
23.251.34.157 AS62468 AS20940 95% cert 9f17b548… served by 23.251.34.157 (AS62468) carries SAN i.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 104.99.234.128, 2a02:26f0:b200:2a3::356e, 23.220.113.225
23.251.34.157 AS62468 AS16625 95% cert 9f17b548… served by 23.251.34.157 (AS62468) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS16625) at 104.99.234.128, 2a02:26f0:b200:2a3::356e, 2a02:26f0:b200:29a::356e, 184.30.158.70
23.94.53.11 AS36352 AS20940 95% cert 9f17b548… served by 23.94.53.11 (AS36352) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
157.173.4.63 AS49592 AS20940 95% cert 9f17b548… served by 157.173.4.63 (AS49592) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
95.215.204.210 AS204601 AS20940 95% cert 9f17b548… served by 95.215.204.210 (AS204601) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
31.76.49.79 AS215590 AS20940 95% cert 9f17b548… served by 31.76.49.79 (AS215590) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
91.8.47.236 AS3320 AS20940 95% cert 9f17b548… served by 91.8.47.236 (AS3320) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
103.23.149.164 AS154321 AS20940 95% cert 9f17b548… served by 103.23.149.164 (AS154321) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
104.168.135.58 AS54290 AS20940 95% cert 9f17b548… served by 104.168.135.58 (AS54290) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:29a::356e, 95.100.102.101, 2a02:26f0:b200:2a3::356e, 23.220.113.225
43.255.30.77 AS133199 AS20940 95% cert 9f17b548… served by 43.255.30.77 (AS133199) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:2b4::356e, 2a02:26f0:b200:283::356e, 184.30.158.70, 2a02:26f0:b200:2a3::356e
155.248.192.102 AS31898 AS20940 95% cert 9f17b548… served by 155.248.192.102 (AS31898) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:2b4::356e, 2a02:26f0:b200:283::356e, 184.30.158.70, 2a02:26f0:b200:2a3::356e
45.133.209.104 AS203273 AS20940 95% cert 9f17b548… served by 45.133.209.104 (AS203273) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:2b4::356e, 2a02:26f0:b200:283::356e, 184.30.158.70, 2a02:26f0:b200:2a3::356e
178.83.211.96 AS49592 AS20940 95% cert 9f17b548… served by 178.83.211.96 (AS49592) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:2b4::356e, 2a02:26f0:b200:283::356e, 184.30.158.70, 2a02:26f0:b200:2a3::356e
144.202.115.1 AS20473 AS20940 95% cert 9f17b548… served by 144.202.115.1 (AS20473) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:2b4::356e, 2a02:26f0:b200:283::356e, 184.30.158.70, 2a02:26f0:b200:2a3::356e
95.140.146.155 AS210976 AS20940 95% cert 9f17b548… served by 95.140.146.155 (AS210976) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:b200:2b4::356e, 2a02:26f0:b200:283::356e, 184.30.158.70, 2a02:26f0:b200:2a3::356e
62.60.234.26 AS215540 AS20940 95% cert 9f17b548… served by 62.60.234.26 (AS215540) carries SAN c.s-microsoft.com which currently resolves through Akamai (AS20940) at 2a02:26f0:480:98e::356e, 184.30.158.70, 2a02:26f0:480:984::356e, 2a02:26f0:1180:59e::356e

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
NS ns2-205.azure-dns.net 2026-06-04 22:33:40.391 2026-07-28 20:31:39.973
CAA 0 contactemail "caarecordaware@microsoft.com" 2026-06-04 22:33:40.391 2026-07-28 20:31:39.973
NS ns3-205.azure-dns.org 2026-06-04 22:33:40.391 2026-07-28 20:31:39.973
NS ns4-205.azure-dns.info 2026-06-04 22:33:40.391 2026-07-28 20:31:39.973
NS ns1-205.azure-dns.com 2026-06-04 22:33:40.391 2026-07-28 20:31:39.973