218.42.222.77.in-addr.arpa.
Question and response
Question
dig 218.42.222.77.in-addr.arpa. PTR
Answer
218.42.222.77.in-addr.arpa. 600 PTR 218.42.222.77.in-addr.arpa.
Authority
42.222.77.in-addr.arpa. 600 NS ns1.sweb.ru.
42.222.77.in-addr.arpa. 600 NS ns4.sweb.ru.
42.222.77.in-addr.arpa. 600 NS ns2.sweb.ru.
Additional
ns1.sweb.ru. 300 A 31.177.67.100
ns1.sweb.ru. 300 AAAA 2a02:2090:e800:9000:31:177:67:100
ns2.sweb.ru. 300 A 31.177.74.100
ns2.sweb.ru. 300 AAAA 2a02:2090:ec00:9040:31:177:74:100
ns4.sweb.ru. 300 A 31.177.85.186
ns4.sweb.ru. 300 AAAA 2a02:2090:e400:7000:31:177:85:186
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0