SOA
Start of Authority
Primary NS
Mailbox
postmaster\@bitronet.ir
Serial
202504202
Refresh
10800
Retry
7200
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:imailgw-b.getway.biz a:mailgw-b.getway.biz mx a:mailgw.getway.biz a:mailgw2.getway.biz ip4:62.3.41.109 -all
A