youtu.be
Number 41 of the Top 100 · Tranco rank 46
youtu.be is YouTube's short link domain. A youtu.be link opens the same video on youtube.com.
Can youtu.be be forged?
Can youtu.be be forged?
No. Receivers that check DMARC refuse mail that forges youtu.be or its subdomains.
- The exact name
- reject · subdomains reject · no reports asked for
- Names that copy
- 104 registered lookalikes can send mail. DMARC never sees them. See them →
What we noticed
- The SPF record marks an unlisted sender as a soft failure. A hard failure is stronger.
- 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 · 112 thousand addresses
Flags others · 3 of 10 lookups · 0 of 2 void lookups · 111,622 IPv4 addresses · 11 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 none found
No subdomain of youtu.be that we found publishes mail records.
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 youtu.be 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