Check-Host.cc

Domain

nic.microsoft

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

Run a live full scan of nic.microsoft

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
1
A/AAAA targets
Subdomains
10
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
40.69.190.41
AAAA
MX
NS
dns1.nic.microsoft, dns2.nic.microsoft, dns3.nic.microsoft, dns4.nic.microsoft, dnsa.nic.microsoft, dnsb.nic.microsoft, dnsc.nic.microsoft, dnsd.nic.microsoft
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

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

Subdomain Resolves to Last seen
nic.microsoft 2026-07-27 03:49:39.738

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.

b51d9ae0a4e9d619… google · xenon2026h2
Subject: nic.microsoft
Issuer: GeoTrust TLS RSA CA G1
SANs: nic.microsoft
Valid: 2026-02-14 00:00:00 → 2026-08-14 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
NS dns1.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dnsb.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dnsc.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dns3.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dnsa.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dns2.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
A 40.69.190.41 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dns4.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738
NS dnsd.nic.microsoft 2026-06-04 23:51:53.290 2026-07-27 03:49:39.738