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Yahoo.com Domain Trust Report

ACTIVE Yahoo — media and technology company with 1B+ monthly users
PRISM VERDICT

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

Last scanned 23m ago · Aug 22, 2026
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OVERALL TRUST SCORE
60 GRADE C
SSL warn
DNS Healthy
EMAIL Partial
SSL GRADE
C
Expires in 60d
DNS HEALTH
100%
5 nameservers
EMAIL AUTH
1/3
SPF · DKIM · DMARC
HEADERS
D
Score: 45/100
DOMAIN EXPIRY
—
Monitoring...
Warning conditions detected — some monitoring checks are in warning state.

Registration & ownership

WHOIS
Registrar MarkMonitor Inc.
Registered Jan 18, 1995
Updated Dec 18, 2025
Expires Jan 19, 2027
Status client delete prohibit.client transfer prohibit.client update prohibit.server delete prohibit. +2
yahoo.com is registered with MarkMonitor Inc., since Jan 18, 1995. Domain registration expires Jan 19, 2027. Status: client delete prohibited.
Full WHOIS report

DNS records

DNS
A 98.137.11.16474.6.231.2074.6.143.2574.6.143.2674.6.231.2198.137.11.163
AAAA 2001:4998:44:3507::80012001:4998:44:3507::80002001:4998:24:120d::1:02001:4998:24:120d::1:1 +2
MX mta5.am0.yahoodns.net (pri 1)mta7.am0.yahoodns.net (pri 1)mta6.am0.yahoodns.net (pri 1)
NS ns4.yahoo.comns1.yahoo.comns3.yahoo.comns2.yahoo.comns5.yahoo.com
TXT google-site-verification=Z3-Vh6zqUMgybVH4wQl1GxKSKN7JE13kyCyeZ3TZZ-Igoogle-site-verification=xoBvU6aKxP0gYgNL0iXqF0EccAg6nFrO7XxsHnc3iNQgoogle-site-verification=GLp01gkFNopm_JItbLxml4iuVbTgJa3rKu0-eq1RvsEZoom=13284637google-site-verification=GU8WAl0zPqaxdcZqDjuN7pqdfPCpR9Amz9rwxMG91qw +6 more
yahoo.com resolves to 98.137.11.164 and 5 more IPs. Nameservers: ns4.yahoo.com, ns1.yahoo.com (+3). IPv6 (AAAA) is configured. Mail handled by 3 MX records.
Full DNS lookup

Hosting & network

NETWORK
IP address 98.137.11.16474.6.231.2074.6.143.2574.6.143.2674.6.231.2198.137.11.163
IPv6 2001:4998:44:3507::80012001:4998:44:3507::8000 +4
Nameservers ns4.yahoo.comns1.yahoo.comns3.yahoo.comns2.yahoo.comns5.yahoo.com
Protocol HTTPS HTTP/2
IPv6 support ENABLED
yahoo.com is hosted at 98.137.11.164 across 6 IPs. Full IPv6 support is configured. DNS is managed through 5 nameservers (ns4.yahoo.com).
Full IP analysis

SSL / TLS

SECURITY
Valid · C DigiCert Inc · expires Oct 22, 2026
60 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 yahoo.com:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN INTELLIGENCE

What we know about Yahoo.com

Yahoo.com has been registered for 31 years (since Jan 18, 1995), managed through MarkMonitor Inc., ranked #51 globally by Tranco, categorised as search & media. Its current health score is 60/100 (grade C) — generally healthy but with some configuration gaps worth reviewing. As a large-scale search and media platform, its DNS TTLs, CDN configuration, and TLS posture directly affect how billions of users access content.

Security Posture Grade C

yahoo.com's security posture: SSL certificate needs attention — only 60 days until expiry; security headers have gaps.

SSL warn
Headers D
SSL expiry 60d
Health score 60/100
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

yahoo.com resolves to 6 IP addresses (98.137.11.164 and 5 more), IPv6 is enabled, DNS is managed through ns4.yahoo.com and ns1.yahoo.com (+3 more), email routed through 3 MX records.

Primary IP 98.137.11.164
Nameservers 5
MX records 3
A records 6
DOMAIN LIFECYCLE
Registered Jan 18, 1995 31 years old
Last updated Dec 18, 2025
Expires Jan 19, 2027
Registrar MarkMonitor Inc.
SSL issued by DigiCert Inc
DomainScan monitors yahoo.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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