Who is the registrar for core.microsoft?

core.microsoft is registered through MarkMonitor Inc..

When does core.microsoft expire?

core.microsoft is currently set to expire on 2027-03-17.

Is core.microsoft using DNSSEC?

core.microsoft does not currently advertise a signed DNSSEC delegation.

When was core.microsoft first registered?

core.microsoft was first registered on 2023-03-17.

core.microsoft

3y old · expires in 267d (2027-03-17) · registrar MarkMonitor Inc.

Trust verdict

Established · 3 years

Domain has a multi-year track record.

Health Score

0–100

Age signal: 3y
Expiry runway: 267d
NS diversity: 4 providers

Security

0–100

No flags raised.

Status

client transfer prohibitedclient update prohibitedclient delete prohibited

Ownership & Registrar

Registrar: MarkMonitor Inc.
Registrant: Microsoft Corporation
Created: 2023-03-17
Updated: 2026-02-13
Expires: 2027-03-17

More domains at MarkMonitor Inc. →

SourceRDAP via IANA bootstrap ↗·fetched 1s ago

Name Servers

ns1-33.azure-dns.com
ns2-33.azure-dns.net
ns3-33.azure-dns.org
ns4-33.azure-dns.info

Ownership History

Snapshot	Registrar	Registrant	Name servers
2026-06-23	MarkMonitor Inc.	Microsoft Corporation	ns3-33.azure-dns.org, ns4-33.azure-dns.info, ns2-33.azure-dns.net, ns1-33.azure-dns.com

Live DNS

HTTP & Security Headers

Email Security

SSL / Certificate Transparency

DNSSEC

Hosting & Reverse IP

Subdomains (CT logs)

Wayback Machine

Summary

core.microsoft is registered through MarkMonitor Inc., registrant listed as Microsoft Corporation.
Established · 3 years — Domain has a multi-year track record.
Expires in ~0.7 years (2027-03-17).
DNS is operated by Azure DNS.
Overall posture: security strong (80/100), health strong (88/100).