Question and response
Question
dig webmail.sfnet.com.br. NS
Answer
webmail.sfnet.com.br. 5 CNAME ispmanager.sfnet.com.br.
Authority
sfnet.com.br. 3283 SOA master.frionline.com.br. adtech.frionline.com.br. 2026022000 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0