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Youtube.com Domain Trust Report

ACTIVE YouTube — Google's video streaming platform, 2B monthly users
PRISM VERDICT

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

Last scanned 12m ago · Sep 21, 2026
Run live scan Visit site
OVERALL TRUST SCORE
74 GRADE C
SSL warn
DNS Healthy
EMAIL Strong
SSL GRADE
B
Expires in 67d
DNS HEALTH
100%
4 nameservers
EMAIL AUTH
2/3
SPF · DKIM · DMARC
HEADERS
D
Score: 45/100
DOMAIN EXPIRY
147d
Feb 15, 2027
Warning conditions detected — some monitoring checks are in warning state.

Registration & ownership

WHOIS
Registrar MarkMonitor Inc.
Registered Feb 15, 2005
Updated Jan 14, 2026
Expires Feb 15, 2027 147d
Status client delete prohibit.server delete prohibit.
youtube.com is registered with MarkMonitor Inc., since Feb 15, 2005. Domain registration expires Feb 15, 2027 (147 days). Status: client delete prohibited.
Full WHOIS report

DNS records

DNS
A 172.253.118.91172.253.118.190172.253.118.93172.253.118.136
AAAA 2404:6800:4003:c05::5d2404:6800:4003:c05::5b2404:6800:4003:c05::be2404:6800:4003:c05::88
MX smtp.google.com (pri 0)
NS ns4.google.comns3.google.comns2.google.comns1.google.com
TXT v=spf1 include:google.com mx -allfacebook-domain-verification=64jdes7le4h7e7lfpi22rijygx58j1google-site-verification=QtQWEwHWM8tHiJ4s-jJWzEQrD_fF3luPnpzNDH-Nw-w
CAA pki.goog
youtube.com resolves to 172.253.118.91 and 3 more IPs. Nameservers: ns4.google.com, ns3.google.com (+2). IPv6 (AAAA) is configured. Mail handled by 1 MX record.
Full DNS lookup

Hosting & network

NETWORK
IP address 172.253.118.91172.253.118.190172.253.118.93172.253.118.136
IPv6 2404:6800:4003:c05::5d2404:6800:4003:c05::5b +2
Nameservers ns4.google.comns3.google.comns2.google.comns1.google.com
Protocol HTTPS HTTP/2
IPv6 support ENABLED
youtube.com is hosted at 172.253.118.91 across 4 IPs. Full IPv6 support is configured. DNS is managed through 4 nameservers (ns4.google.com).
Full IP analysis

SSL / TLS

SECURITY
Valid · B Google Trust Services · expires Nov 27, 2026
67 days remaining
TLS 1.3 TLS 1.2 TLS 1.1 TLS 1.0
Full SSL report

Technology detected

STACK
Google CloudHTTP/2HSTSBrotli
Full tech scan

30-day availability

MONITORING
99.50% incidents detected
30d ago today

Email authentication

EMAIL
Full email auth report

Monitoring events

103 total EVENTS
Security header grade degraded: C → D 2h ago
low hdr HEADER_GRADE_DEGRADED
grade
DNS AAAA record modified 3h ago
medium dns DNS_RECORD_MODIFIED
dns.aaaa
DNS A record modified 3h ago
medium dns DNS_RECORD_MODIFIED
dns.a
+88 more — view live
Run a specific check on youtube.com:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN LIFECYCLE
Registered Feb 15, 2005 21 years old
Last updated Jan 14, 2026
Expires Feb 15, 2027 147 days remaining
Registrar MarkMonitor Inc.
SSL issued by Google Trust Services
DOMAIN INTELLIGENCE

What we know about Youtube.com

Youtube.com has been registered for 21 years (since Feb 15, 2005), managed through MarkMonitor Inc., ranked #9 globally by Tranco, categorised as video & media. Its current health score is 74/100 (grade C) — generally healthy but with some configuration gaps worth reviewing. As a media streaming platform, its DNS resolution speed, TLS version support, and CDN configuration directly affect playback reliability for end users.

Security Posture Grade C

youtube.com's security posture: SSL certificate needs attention — only 67 days until expiry; security headers have gaps; no blacklist entries found.

SSL warn
Headers D
SSL expiry 67d
Health score 74/100
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 IPv6

youtube.com resolves to 4 IP addresses (172.253.118.91 and 3 more), IPv6 is enabled, DNS is managed through ns4.google.com and ns3.google.com (+2 more), email routed through 1 MX record.

Primary IP 172.253.118.91
Nameservers 4
MX records 1
A records 4
DomainScan monitors youtube.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 12m ago
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