usr.1net.by.225.172.178.in-addr.arpa.
Question and response
Question
dig usr.1net.by.225.172.178.in-addr.arpa. PTR
Answer
usr.1net.by.225.172.178.in-addr.arpa. 21600 PTR usr.1net.by.225.172.178.in-addr.arpa.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0