Youtube.com Domain Trust Report
youtube.com shows moderate health — SSL Certificate and Email Auth and Security Headers need attention. Review the breakdown below.
Registration & ownership
| Registrar | MarkMonitor Inc. |
| Registered | Feb 15, 2005 |
| Updated | Jan 14, 2026 |
| Expires | Feb 15, 2027 131d |
| Status | client delete prohibit.server delete prohibit. |
DNS records
| A | 172.217.194.136172.217.194.91172.217.194.190172.217.194.93 |
| AAAA | 2404:6800:4003:c04::5d2404:6800:4003:c04::882404:6800:4003:c04::5b2404:6800:4003:c04::be |
| MX | smtp.google.com (pri 0) |
| NS | ns4.google.comns2.google.comns1.google.comns3.google.com |
| TXT | google-site-verification=QtQWEwHWM8tHiJ4s-jJWzEQrD_fF3luPnpzNDH-Nw-wv=spf1 include:google.com mx -allfacebook-domain-verification=64jdes7le4h7e7lfpi22rijygx58j1 |
| CAA | pki.goog |
Hosting & network
| IP address | 172.217.194.136172.217.194.91172.217.194.190172.217.194.93 |
| IPv6 | 2404:6800:4003:c04::5d2404:6800:4003:c04::88 +2 |
| Nameservers | ns4.google.comns2.google.comns1.google.comns3.google.com |
| Protocol | HTTPS HTTP/2 |
| IPv6 support | ENABLED |
SSL / TLS
Technology detected
30-day availability
Email authentication
Monitoring events
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 70/100 (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.
youtube.com's security posture: SSL certificate needs attention — only 66 days until expiry; security headers have gaps; no blacklist entries found.
SPF is configured, restricting which servers can send email as this domain. DMARC policy is set to "reject" — spoofed emails are rejected.
youtube.com resolves to 4 IP addresses (172.217.194.136 and 3 more), IPv6 is enabled, DNS is managed through ns4.google.com and ns2.google.com (+2 more), email routed through 1 MX record.
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