23.comuniquese2.com.br.
Question and response
Question
dig 89.80-95.218.36.138.in-addr.arpa. PTR
Answer
89.80-95.218.36.138.in-addr.arpa. 300 PTR 23.comuniquese2.com.br.
Authority
80-95.218.36.138.in-addr.arpa. 172800 NS ns-1459.awsdns-54.org.
80-95.218.36.138.in-addr.arpa. 172800 NS ns-1587.awsdns-06.co.uk.
80-95.218.36.138.in-addr.arpa. 172800 NS ns-486.awsdns-60.com.
80-95.218.36.138.in-addr.arpa. 172800 NS ns-705.awsdns-24.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0