Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig openinvoice.com. SOA
Answer
openinvoice.com. 900 SOA ns-902.awsdns-48.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
openinvoice.com. 172800 NS ns-1102.awsdns-09.org.
openinvoice.com. 172800 NS ns-1856.awsdns-40.co.uk.
openinvoice.com. 172800 NS ns-405.awsdns-50.com.
openinvoice.com. 172800 NS ns-902.awsdns-48.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0