Check-Host.cc

Domain

connect.microsoft.com

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

Run a live full scan of connect.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
20.112.250.133, 20.231.239.246, 20.236.44.162, 20.76.201.171
AAAA
2603:1020:201:10::10f, 2603:1030:20e:3::23c, 2603:1030:b:3::152, 2603:1030:c02:8::14
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

Subject: operatorconnect.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: *.prod-operatorconnect.microsoft.com, cosmic-operatorconnect.microsoft.com, indirect-operatorconnect.microsoft.com, msit-operatorconnect.microsoft.com, msit-partnerportal.microsoft.com, operatorconnect.microsoft.com, partnerportal-service.prod-ejp.ic3-pstncalling-nmp.japaneast-prod.cosmic.office.net, partnerportal-service.prod-eus.ic3-pstncalling-nmp.eastus-prod.cosmic.office.net, partnerportal-service.prod-neu.ic3-pstncalling-nmp.northeurope-prod.cosmic.office.net, partnerportal-service.prod-weu.ic3-pstncalling-nmp.westeurope-prod.cosmic.office.net, partnerportal-service.prod-wjp.ic3-pstncalling-nmp.japanwest-prod.cosmic.office.net, partnerportal-service.prod-wus.ic3-pstncalling-nmp.westus-msit.cosmic.office.net, partnerportal-service.prod-wus.ic3-pstncalling-nmp.westus-prod.cosmic.office.net, partnerportal.microsoft.com
Subject: operatorconnect.microsoft.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: *.prod-operatorconnect.microsoft.com, cosmic-operatorconnect.microsoft.com, indirect-operatorconnect.microsoft.com, msit-operatorconnect.microsoft.com, msit-partnerportal.microsoft.com, operatorconnect.microsoft.com, partnerportal-service.prod-ejp.ic3-pstncalling-nmp.japaneast-prod.cosmic.office.net, partnerportal-service.prod-eus.ic3-pstncalling-nmp.eastus-prod.cosmic.office.net, partnerportal-service.prod-neu.ic3-pstncalling-nmp.northeurope-prod.cosmic.office.net, partnerportal-service.prod-weu.ic3-pstncalling-nmp.westeurope-prod.cosmic.office.net, partnerportal-service.prod-wjp.ic3-pstncalling-nmp.japanwest-prod.cosmic.office.net, partnerportal-service.prod-wus.ic3-pstncalling-nmp.westus-msit.cosmic.office.net, partnerportal-service.prod-wus.ic3-pstncalling-nmp.westus-prod.cosmic.office.net, partnerportal.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.

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.

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 2603:1030:c02:8::14 2026-05-25 22:09:29.497 2026-07-24 14:29:57.609
AAAA 2603:1020:201:10::10f 2026-05-25 22:09:29.497 2026-07-20 13:29:46.017
A 20.112.250.133 2026-05-25 22:09:29.497 2026-07-28 12:44:20.043
A 20.76.201.171 2026-05-25 22:09:29.497 2026-07-28 12:44:20.043
A 20.236.44.162 2026-05-26 04:07:00.841 2026-07-24 14:29:57.609
AAAA 2603:1030:20e:3::23c 2026-05-26 04:07:00.841 2026-07-28 12:44:20.043
A 20.231.239.246 2026-05-26 04:11:07.627 2026-07-20 13:29:46.017
AAAA 2603:1030:b:3::152 2026-05-26 11:29:02.829 2026-07-28 12:44:20.043