douban.com
The domain douban.com answers at IP address 81.70.124.99. Mail for douban.com goes through 3 servers; the highest priority one is mx1.feishu.cn. 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
- 81.70.124.99 300s
- 120.53.130.158 300s
- 140.143.177.206 300s
MX MX records
- 10 mx1.feishu.cn 600s
- 20 mx2.feishu.cn 600s
- 30 mx3.feishu.cn 600s
NS NS records
- ns4.dnsv4.com 19328s
- ns3.dnsv4.com 19328s
TXT TXT records
- v=spf1 include:feishu-spf.mail.douban.com ~all 300s
- _7taq71qhdd4d8aex977o81h07frjhgl 300s
SOA SOA records
- ns3.dnsv4.com 180s
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.