SOA
Start of Authority
Primary NS
Mailbox
postmaster.hckorea.net
Serial
20100820
Refresh
10800
Retry
3600
Expire
3600000
Minimum TTL
43200
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf1.whoisworks.com ~all
v=spf1 ip4:218.145.65.152 ~all
A