SOA
Start of Authority
Primary NS
Mailbox
managers.whain.net
Serial
2000010101
Refresh
28800
Retry
7200
Expire
86400
Minimum TTL
28800
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf3.mailnara.co.kr include:_spf4.mailnara.co.kr include:_spf5.mailnara.co.kr include:_spf.google.com include:spf.protection.outlook.com ~all
A