youku.com
The domain youku.com answers at IP address 106.11.40.57. Mail for youku.com goes through 2 servers; the highest priority one is mx1.youku.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
- 106.11.40.57 300s
AAAA AAAA records
- 2408:4001:f10::fd 300s
- 2408:4001:f10::8 300s
- 2408:4001:f00::3a 300s
- 2408:4001:f00::1af 300s
MX MX records
- 20 mx1.youku.com 55s
- 20 mx2.youku.com 55s
NS NS records
- dns2.youku.com 21600s
- dns3.youku.com 21600s
- dns4.youku.com 21600s
- dns1.youku.com 21600s
TXT TXT records
- v=spf1 include:spf1.staff.mail.aliyun.com -all 300s
- _globalsign-domain-verification=tZ7FgEoUskFJpYv3ncv1X298Psdl-Kur0y6ZbKEhcl 300s
SOA SOA records
- dns1.youku.com 600s
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 3 hours ago.