smtpvm.altevaip.com.
smtpvm1.lexvm.voipinternetcable.net.
Question and response
Question
dig 148.128-159.147.78.4.in-addr.arpa. PTR
Answer
148.128-159.147.78.4.in-addr.arpa. 3600 PTR smtpvm1.lexvm.voipinternetcable.net.
148.128-159.147.78.4.in-addr.arpa. 3600 PTR smtpvm.altevaip.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0