Question and response
Question
dig www.optimum.net. PTR
Answer
The response has no answer records.
Authority
optimum.net. 7200 SOA authns1.cv.net. postmaster.optimum.net. 2013141322 7200 600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0