Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig equifaxsd.ivcert.net. SOA
Answer
equifaxsd.ivcert.net. 900 SOA ns-2028.awsdns-61.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
equifaxsd.ivcert.net. 172800 NS ns-1116.awsdns-11.org.
equifaxsd.ivcert.net. 172800 NS ns-2028.awsdns-61.co.uk.
equifaxsd.ivcert.net. 172800 NS ns-248.awsdns-31.com.
equifaxsd.ivcert.net. 172800 NS ns-709.awsdns-24.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0