Zone apex
Start of authority
Email
Serial
2
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig spf.emailsecurity.bracnet.net. SOA
Answer
spf.emailsecurity.bracnet.net. 3600 SOA dns1.bdmail.net. root.dns1.bdmail.net. 2 10800 3600 604800 86400
Authority
spf.emailsecurity.bracnet.net. 3600 NS dns2.bdmail.net.
spf.emailsecurity.bracnet.net. 3600 NS dns1.bdmail.net.
Additional
dns1.bdmail.net. 3600 A 202.168.254.4
dns2.bdmail.net. 3600 A 202.168.254.8
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0