Question and response
Question
dig plesk.smartspb.net. PTR
Answer
The response has no answer records.
Authority
smartspb.net. 600 SOA ns4.smartspb.net. hostmaster.smartspb.net. 928 28800 1800 1209600 28800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0