_spf.usp.br NS records

NS Authoritative DNS server
5m
_spf.usp.br has no NS records.
NS records for this zone are defined at usp.br.
trace _spf.usp.br NS records for usp.br

Question and response

Question

dig _spf.usp.br. NS

Answer

The response has no answer records.

Authority

usp.br. 300 SOA a.dns.usp.br. hostmaster.usp.br. 2018079091 14400 3600 1209600 300

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0