Zone apex
Start of authority
Email
Serial
2026021801
Refresh
30m
Retry
10m
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig mailsafe.usa.net. SOA
Answer
mailsafe.usa.net. 3600 SOA cndvg001.usa.net. hostmaster.usa.net. 2026021801 1800 600 604800 3600
Authority
mailsafe.usa.net. 3600 NS dnsext02.usa.net.
mailsafe.usa.net. 3600 NS dnsext01.usa.net.
Additional
dnsext01.usa.net. 900 A 165.212.55.54
dnsext02.usa.net. 900 A 165.212.55.55
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0