SOA
Start of Authority
Primary NS
Mailbox
mail.sfn.cn
Serial
2026110222
Refresh
172800
Retry
600
Expire
1209600
Minimum TTL
7200
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:171.221.46.2/32 ip4:101.207.68.194/32 ip4:112.19.161.241/32 -all
A
IPv4 Addresses
AAAA