Zone apex
Start of authority
Email
Serial
2009484500
Refresh
3h
Retry
30m
Expire
7d
Negative cache TTL
30m
Question and response
Question
dig mail.read-books.org. SOA
Answer
The response has no answer records.
Authority
read-books.org. 1800 SOA nf1.no-ip.com. hostmaster.no-ip.com. 2009484500 10800 1800 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0