Question and response
Question
dig mx1.fibertel.com.ar. PTR
Answer
The response has no answer records.
Authority
fibertel.com.ar. 86400 SOA dns1.cvtci.com.ar. noc.fibertel.com.ar. 2026010500 86400 21600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0