Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1m
Question and response
Question
dig ca-central-1.compute.amazonaws.com. SOA
Answer
ca-central-1.compute.amazonaws.com. 60 SOA ns-924.awsdns-51.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 60
Authority
ca-central-1.compute.amazonaws.com. 60 NS ns-1129.awsdns-13.org.
ca-central-1.compute.amazonaws.com. 60 NS ns-1991.awsdns-56.co.uk.
ca-central-1.compute.amazonaws.com. 60 NS ns-491.awsdns-61.com.
ca-central-1.compute.amazonaws.com. 60 NS ns-924.awsdns-51.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0