Question and response
Question
dig ci.nttsvc.com. PTR
Answer
The response has no answer records.
Authority
ci.nttsvc.com. 600 SOA ns0.ci.nttsvc.com. hostmaster.ci.nttsvc.com. 1771994475 16384 1800 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0