SOA
Start of Authority
Primary NS
Mailbox
root.dns-jn.sd.cninfo.net
Serial
100008
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
21600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:111.202.245.115 ip4:111.202.245.116 ip4:111.202.245.117 ip4:111.202.245.118 include:spf.icoremail.net -all