authsrv01.wznet.com.br has no SRV records.
Question and response
Question
dig authsrv01.wznet.com.br. SRV
Answer
The response has no answer records.
Authority
wznet.com.br. 38400 SOA dns-aut-01.wznet.com.br. cgr.wznet.com.br. 2025090400 10800 3600 86400 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0