ns3.surfnet.nl.
Question and response
Question
dig 71.64-26.124.169.195.in-addr.arpa. PTR
Answer
71.64-26.124.169.195.in-addr.arpa. 28800 PTR ns3.surfnet.nl.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0