Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
6m
Question and response
Question
dig 128-255.158.137.209.in-addr.arpa. SOA
Answer
128-255.158.137.209.in-addr.arpa. 900 SOA ns-557.awsdns-05.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 360
Authority
128-255.158.137.209.in-addr.arpa. 172800 NS ns-1216.awsdns-24.org.
128-255.158.137.209.in-addr.arpa. 172800 NS ns-1726.awsdns-23.co.uk.
128-255.158.137.209.in-addr.arpa. 172800 NS ns-508.awsdns-63.com.
128-255.158.137.209.in-addr.arpa. 172800 NS ns-557.awsdns-05.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0