Zone apex
Start of authority
Email
Serial
1
Refresh
1h
Retry
15m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig ca-central-1.amazonaws.com. SOA
Answer
ca-central-1.amazonaws.com. 7200 SOA dns-external-route53.us-east-1.amazonaws.com. root.amazon.com. 1 3600 900 604800 900
Authority
ca-central-1.amazonaws.com. 46291 NS ns-1134.awsdns-13.org.
ca-central-1.amazonaws.com. 46291 NS ns-1736.awsdns-25.co.uk.
ca-central-1.amazonaws.com. 46291 NS ns-447.awsdns-55.com.
ca-central-1.amazonaws.com. 46291 NS ns-710.awsdns-24.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0