ks001.key-p.com.
Question and response
Question
dig 146.144.217.78.202.in-addr.arpa. PTR
Answer
146.144.217.78.202.in-addr.arpa. 86400 PTR ks001.key-p.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0