k19.starfall.com.
Question and response
Question
dig 19.subnet0.61.82.74.in-addr.arpa. PTR
Answer
19.subnet0.61.82.74.in-addr.arpa. 172800 PTR k19.starfall.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0