Zone apex
Start of authority
Email
Serial
2021030301
Refresh
12h
Retry
1h
Expire
28d
Negative cache TTL
1h
Question and response
Question
dig mx.bigpond.com. SOA
Answer
mx.bigpond.com. 3600 SOA adns01.bigpond.com. hostmaster.bigpond.com. 2021030301 43200 3600 2419200 3600
Authority
mx.bigpond.com. 86400 NS adns04.bigpond.com.
mx.bigpond.com. 86400 NS adns02.bigpond.com.
mx.bigpond.com. 86400 NS adns03.bigpond.com.
mx.bigpond.com. 86400 NS adns01.bigpond.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0