BI

Bing.com Domain Trust Report

ACTIVE Bing — Microsoft's AI-powered search engine
PRISM VERDICT

bing.com shows moderate health — Security Headers and Email Auth need attention. Review the breakdown below.

Last scanned 23m ago · Aug 22, 2026
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OVERALL TRUST SCORE
67 GRADE C
SSL A+
DNS Healthy
EMAIL Partial
SSL GRADE
A+
Expires in 158d
DNS HEALTH
100%
8 nameservers
EMAIL AUTH
1/3
SPF · DKIM · DMARC
HEADERS
F
Score: 15/100
DOMAIN EXPIRY
—
Monitoring...
Critical issues detected — one or more dimensions require immediate attention.

Registration & ownership

WHOIS
Registrar MarkMonitor Inc.
Registered Jan 29, 1996
Updated Dec 29, 2025
Expires Jan 30, 2027
Status client delete prohibit.client transfer prohibit.client update prohibit.server delete prohibit. +2
bing.com is registered with MarkMonitor Inc., since Jan 29, 1996. Domain registration expires Jan 30, 2027. Status: client delete prohibited.
Full WHOIS report

DNS records

DNS
A 150.171.27.10150.171.28.10
AAAA 2620:1ec:33:1::102620:1ec:33::10
MX bing-com.mail.protection.outlook.com (pri 10)
NS ns1-204.azure-dns.comns2-204.azure-dns.netns3-204.azure-dns.orgns4-204.azure-dns.infodns1.p09.nsone.netdns2.p09.nsone.netdns3.p09.nsone.netdns4.p09.nsone.net
TXT facebook-domain-verification=09yg8uzcfnqnlqekzsbwjxyy8rdck7google-site-verification=OkRY8R261shK5B8uEwvsFZp9nQ2gRoHavGlruok1azcgoogle-site-verification=SHuSHN0Hv3nwBI9So329KwfbQ7xLif64SRwcGSdWNAUv=msv1 t=6097A7EA-53F7-4028-BA76-6869CB284C54v=spf1 include:spf.protection.outlook.com -all
bing.com resolves to 150.171.27.10 and 1 more IP. Nameservers: ns1-204.azure-dns.com, ns2-204.azure-dns.net (+6). IPv6 (AAAA) is configured. Mail handled by 1 MX record.
Full DNS lookup

Hosting & network

NETWORK
IP address 150.171.27.10150.171.28.10
IPv6 2620:1ec:33:1::102620:1ec:33::10
Nameservers ns1-204.azure-dns.comns2-204.azure-dns.netns3-204.azure-dns.orgns4-204.azure-dns.infodns1.p09.nsone.netdns2.p09.nsone.netdns3.p09.nsone.netdns4.p09.nsone.net
Protocol HTTPS HTTP/2
IPv6 support ENABLED
bing.com is hosted at 150.171.27.10 across 2 IPs. Full IPv6 support is configured. DNS is managed through 8 nameservers (ns1-204.azure-dns.com).
Full IP analysis

SSL / TLS

SECURITY
Valid · A+ Microsoft Corporation · expires Jan 27, 2027
158 days remaining
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
99.50% incidents detected
30d ago today

Email authentication

EMAIL
Full email auth report

Monitoring events

EVENTS
No monitoring events detected — all probes returning clean results.
Run a specific check on bing.com:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN INTELLIGENCE

What we know about Bing.com

Bing.com has been registered for 30 years (since Jan 29, 1996), managed through MarkMonitor Inc., ranked #34 globally by Tranco, categorised as search & tech. Its current health score is 67/100 (grade C) — generally healthy but with some configuration gaps worth reviewing. As a major internet platform, its SSL certificate chain, DNS propagation, and email authentication practices are scrutinised by security researchers worldwide.

Security Posture Grade C

bing.com's security posture: SSL is valid (issued by Microsoft Corporation), expiring in 158 days; security headers are largely missing.

SSL A+
Headers F
SSL expiry 158d
Health score 67/100
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 IPv6

bing.com resolves to 2 IP addresses (150.171.27.10 and 1 more), IPv6 is enabled, DNS is managed through ns1-204.azure-dns.com and ns2-204.azure-dns.net (+6 more), email routed through 1 MX record.

Primary IP 150.171.27.10
Nameservers 8
MX records 1
A records 2
DOMAIN LIFECYCLE
Registered Jan 29, 1996 30 years old
Last updated Dec 29, 2025
Expires Jan 30, 2027
Registrar MarkMonitor Inc.
SSL issued by Microsoft Corporation
DomainScan monitors bing.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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