Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig smartu5s6.cz. SOA
Answer
smartu5s6.cz. 900 SOA ns-437.awsdns-54.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
smartu5s6.cz. 172800 NS ns-1189.awsdns-20.org.
smartu5s6.cz. 172800 NS ns-1617.awsdns-10.co.uk.
smartu5s6.cz. 172800 NS ns-437.awsdns-54.com.
smartu5s6.cz. 172800 NS ns-789.awsdns-34.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0