Zone apex
Start of authority
Email
Serial
2017021500
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig smtp-od.com. SOA
Answer
smtp-od.com. 900 SOA ns-947.awsdns-54.net. dnsadmin.socketlabs.com. 2017021500 7200 900 1209600 86400
Authority
smtp-od.com. 172800 NS ns-1357.awsdns-41.org.
smtp-od.com. 172800 NS ns-146.awsdns-18.com.
smtp-od.com. 172800 NS ns-1547.awsdns-01.co.uk.
smtp-od.com. 172800 NS ns-947.awsdns-54.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0