Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig mailcloud.com.tw. SOA
Answer
mailcloud.com.tw. 900 SOA ns-848.awsdns-42.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
mailcloud.com.tw. 172800 NS ns-1166.awsdns-17.org.
mailcloud.com.tw. 172800 NS ns-1873.awsdns-42.co.uk.
mailcloud.com.tw. 172800 NS ns-444.awsdns-55.com.
mailcloud.com.tw. 172800 NS ns-848.awsdns-42.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0