204.108.142.34.in-addr.arpa.
Question and response
Question
dig cnxeu-smtpout.concentrix.com. PTR
Answer
cnxeu-smtpout.concentrix.com. 300 PTR 204.108.142.34.in-addr.arpa.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0