youtube.com
Number 7 of the Top 100 · Tranco rank 9
youtube.com is YouTube, Google's video site. The videos themselves stream from googlevideo.com and the thumbnails from ytimg.com, and embedded players on other sites load from youtube.com.
Can youtube.com be forged?
Can youtube.com be forged?
No. Receivers that check DMARC refuse mail that forges youtube.com or its subdomains.
- The exact name
- reject · subdomains reject · no reports asked for
- Names that copy
- 186 registered lookalikes can send mail. DMARC never sees them. See them →
What we noticed
- No DKIM selector answered, so the mail of the domain carries no signature.
Senders it names Google Workspace
- Google Workspace include:_spf.google.com
- Google Workspace runs its mail hosts
These are the services the records name. A record can name a service no longer used, and a sender can sign without being named.
SPF-all · 3 of 10 lookups · 98 thousand addresses
Refuses others · 3 of 10 lookups · 0 of 2 void lookups · 98,309 IPv4 addresses · 10 IPv6 blocks · Includes of its senders
Every term and include
DKIM0 keys found
We look under the selectors of the services the records name. A domain can have keys we do not find.
Sending names 2 names, 2 at reject
| Name | Policy | SPF lookups | Reports to |
|---|---|---|---|
| m.youtube.com | reject (inherited) | — | — |
| support.youtube.com | reject (inherited) | — | — |
ReportsNo reports asked for
Aggregate reports (rua) go to mailto:mailauth-reports@google.com. No failure reports are asked for.
Transport MTA-STS none · TLS-RPT none · BIMI none
MTA-STS asks senders to deliver to youtube.com over encrypted connections only. TLS-RPT asks for reports when they cannot. BIMI shows a logo beside mail that passes DMARC at quarantine or reject.
Read on Oct 28, 2026. Check it again yourself →
Watch your own domain's mail this way: Sender Security · the DMARC Report