Zone apex
Start of authority
Email
Serial
2017224478
Refresh
3m
Retry
1m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig amazonaws.com. SOA
Answer
amazonaws.com. 900 SOA dns-external-route53.us-east-1.amazonaws.com. hostmaster.amazon.com. 2017224478 180 60 604800 900
Authority
amazonaws.com. 3600 NS ns-1321.awsdns-37.org.
amazonaws.com. 3600 NS ns-1670.awsdns-16.co.uk.
amazonaws.com. 3600 NS ns-27.awsdns-03.com.
amazonaws.com. 3600 NS ns-967.awsdns-56.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0