Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig 64-79.218.36.138.in-addr.arpa. SOA
Answer
64-79.218.36.138.in-addr.arpa. 900 SOA ns-1701.awsdns-20.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
64-79.218.36.138.in-addr.arpa. 172800 NS ns-1234.awsdns-26.org.
64-79.218.36.138.in-addr.arpa. 172800 NS ns-1701.awsdns-20.co.uk.
64-79.218.36.138.in-addr.arpa. 172800 NS ns-317.awsdns-39.com.
64-79.218.36.138.in-addr.arpa. 172800 NS ns-705.awsdns-24.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0