Microsoftonline.com Domain Trust Report

ACTIVE Microsoft 365 — cloud-based identity and access management

PRISM VERDICT

microsoftonline.com has critical issues detected across one or more monitoring dimensions (SSL Certificate). Review the health breakdown below.

Last scanned 23m ago · Aug 22, 2026

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OVERALL TRUST SCORE

49 GRADE D

SSL crit

DNS Healthy

EMAIL Partial

SSL GRADE

—

DNS HEALTH

100%

4 nameservers

EMAIL AUTH

1/3

SPF · DKIM · DMARC

HEADERS

—

Score: 0/100

DOMAIN EXPIRY

—

Monitoring...

Registration & ownership

WHOIS

Registrar	MarkMonitor Inc.
Registered	Jul 10, 2002
Updated	Jun 7, 2026
Expires	Jul 10, 2027
Status	client delete prohibit.client transfer prohibit.client update prohibit.server delete prohibit. +2

microsoftonline.com is registered with MarkMonitor Inc., since Jul 10, 2002. Domain registration expires Jul 10, 2027. Status: client delete prohibited.

Full WHOIS report

DNS records

DNS

MX	messaging-microsoft-com.mail.protection.outlook.com (pri 10)
NS	ns1-38.azure-dns.comns2-38.azure-dns.netns3-38.azure-dns.orgns4-38.azure-dns.info
TXT	v=spf1 ip4:216.32.180.228 include:spfa.microsoftonline.com include:spf-exacttarg…google-site-verification=y-tlrGiMNJkBF1UO4Xk0GjbVwYk3p5urCieV9B1sHJ0google-site-verification=CNZTg2P9nNfuZUJdHTYBONoHbOjMq7UPVvxoqMgomfQ

microsoftonline.com resolves to an IP address. Nameservers: ns1-38.azure-dns.com, ns2-38.azure-dns.net (+2). Mail handled by 1 MX record.

Full DNS lookup

Hosting & network

NETWORK

IP address	collecting...
Nameservers	ns1-38.azure-dns.comns2-38.azure-dns.netns3-38.azure-dns.orgns4-38.azure-dns.info
Protocol	HTTPS HTTP/2

IP lookup tool

SSL / TLS

SECURITY

SSL certificate data is collected every 6 hours. Run SSL check

TLS 1.3 TLS 1.2 TLS 1.1 TLS 1.0

Full SSL report

Technology detected

STACK

HTTP/2TLS 1.3HSTSIPv6

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30-day availability

MONITORING

98.50% incidents detected

30d ago today

Email authentication

SPF PRESENT

DMARC policy: none NONE

DKIM PROBING

Full email auth report

Monitoring events

EVENTS

No monitoring events detected — all probes returning clean results.

Run a specific check on microsoftonline.com:

DNS lookup WHOIS SSL check Security headers Email auth Screenshot

DOMAIN INTELLIGENCE

What we know about Microsoftonline.com

Microsoftonline.com has been registered for 24 years (since Jul 10, 2002), managed through MarkMonitor Inc., ranked #26 globally by Tranco, categorised as enterprise tech. Its current health score is 49/100 (grade D), with one or more critical issues detected across monitored dimensions. As an enterprise technology platform, its email authentication enforcement and TLS configuration directly affect the security posture of its corporate clients and integrations.

Security Posture Grade D

microsoftonline.com's security posture: SSL has a critical issue.

SSL crit

Headers F

Health score 49/100

Email Authentication Partial

SPF is configured, restricting which servers can send email as this domain. DMARC is absent or set to "none" — no enforcement against email spoofing.

SPF Configured

DMARC policy none

Spoofable Yes

Network Infrastructure

microsoftonline.com DNS is managed through ns1-38.azure-dns.com and ns2-38.azure-dns.net (+2 more), email routed through 1 MX record.

Nameservers 4

MX records 1

DOMAIN LIFECYCLE

Registered Jul 10, 2002 24 years old

Last updated Jun 7, 2026

Expires Jul 10, 2027

Registrar MarkMonitor Inc.

DomainScan monitors microsoftonline.com continuously — DNS every hour, SSL & email auth every 6 h, security headers every 12 h, WHOIS every 24 h. Every detected change triggers a severity-classified monitoring event. Refreshed 23m ago

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