SOA
Start of Authority
Primary NS
Mailbox
postmaster.nex-turn.com
Serial
20201208
Refresh
10800
Retry
3600
Expire
3600000
Minimum TTL
43200
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:210.114.6.175 ~all
v=spf1 include:_spf.daum.net ~all
A