youtu.be
The domain youtu.be answers at IP address 142.251.14.93. The domain DNS is managed by Google, which decides where each subdomain points. Mail for youtu.be goes through 2 servers; the highest priority one is smtp.google.com. It also publishes 2 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 142.251.14.93 300s
- 142.251.14.91 300s
- 142.251.14.136 300s
- 142.251.14.190 300s
AAAA AAAA records
- 2a00:1450:4001:c15::5d 300s
- 2a00:1450:4001:c15::5b 300s
- 2a00:1450:4001:c15::be 300s
- 2a00:1450:4001:c15::88 300s
MX MX records
- 0 smtp.google.com 300s
- 10 gmr-smtp-in.l.google.com 300s
NS NS records
- ns2.google.com 21600s
- ns4.google.com 21600s
- ns3.google.com 21600s
- ns1.google.com 21600s
TXT TXT records
- v=spf1 ip4:208.117.224.0/19 ip4:208.65.152.0/22 ip4:64.15.112.0/20 include:google.com mx ~all 3600s
- google-site-verification=2pAxAvJeUmVBMOlonVG64CJkyohWmC1IUEzV7eMshsI 3600s
SOA SOA records
- ns1.google.com 60s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 6 hours ago.