Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig 128-143.218.36.138.in-addr.arpa. SOA
Answer
128-143.218.36.138.in-addr.arpa. 900 SOA ns-1076.awsdns-06.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
128-143.218.36.138.in-addr.arpa. 172800 NS ns-1076.awsdns-06.org.
128-143.218.36.138.in-addr.arpa. 172800 NS ns-1651.awsdns-14.co.uk.
128-143.218.36.138.in-addr.arpa. 172800 NS ns-35.awsdns-04.com.
128-143.218.36.138.in-addr.arpa. 172800 NS ns-587.awsdns-09.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0