Zone apex
Start of authority
Email
Serial
20112138
Refresh
15m
Retry
10m
Expire
14d
Negative cache TTL
15m
Question and response
Question
dig csgi.com. SOA
Answer
csgi.com. 900 SOA ns1.csgsystems.com. postmaster.csgsystems.com. 20112138 900 600 1209600 900
Authority
The response has no authority records.
Additional
ns1.csgsystems.com. 900 A 205.144.147.21
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0