MI

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, Security Headers). Review the health breakdown below.

Last scanned 39m ago · Sep 21, 2026
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OVERALL TRUST SCORE
52 GRADE F
SSL crit
DNS Healthy
EMAIL Strong
SSL GRADE
F
—
DNS HEALTH
100%
4 nameservers
EMAIL AUTH
2/3
SPF · DKIM · DMARC
HEADERS
F
Score: 0/100
DOMAIN EXPIRY
292d
Jul 10, 2027
Critical issues detected — one or more dimensions require immediate attention.

Registration & ownership

WHOIS
Registrar MarkMonitor Inc.
Registered Jul 10, 2002
Updated Jun 7, 2026
Expires Jul 10, 2027 292d
Status client delete prohibit.server delete prohibit.
microsoftonline.com is registered with MarkMonitor Inc., since Jul 10, 2002. Domain registration expires Jul 10, 2027 (292 days). 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
CAA microsoft.comglobalsign.comentrust.netdigicert.com
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
Full tech scan

30-day availability

MONITORING
98.50% incidents detected
30d ago today

Email authentication

EMAIL
Full email auth report

Monitoring events

5 total EVENTS
DMARC `sp=` not set while `p=reject` — subdomains still spoofable 4d ago
medium email SUBDOMAIN_POLICY_GAP
sp
10 lookalike domain(s) no longer resolve 5d ago
low typosquat TYPOSQUAT_DISAPPEARED
counts.highcounts.lowcounts.mediumcounts.resolvingfindingspermutationscounts.mxCapablecounts.parked
76 newly-observed lookalike domain(s) 5d ago
medium typosquat TYPOSQUAT_NEWLY_OBSERVED
counts.highcounts.lowcounts.mediumcounts.resolvingfindingspermutationscounts.mxCapablecounts.parked
Run a specific check on microsoftonline.com:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN LIFECYCLE
Registered Jul 10, 2002 24 years old
Last updated Jun 7, 2026
Expires Jul 10, 2027 292 days remaining
Registrar MarkMonitor Inc.
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 52/100 (grade F), 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 F

microsoftonline.com's security posture: SSL has a critical issue; security headers are largely missing.

SSL crit
Headers F
Health score 52/100
Email Authentication Strong

SPF is configured, restricting which servers can send email as this domain. DMARC policy is set to "reject" — spoofed emails are rejected.

SPF Configured
DMARC policy reject
Spoofable No
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
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 39m ago
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