Question and response
Question
dig _spf.srv.cat. TXT
Answer
_spf.srv.cat. 60 TXT "v=spf1 include:_netblocks.srv.cat ~all"
Authority
srv.cat. 172800 NS ns-1107.awsdns-10.org.
srv.cat. 172800 NS ns-1573.awsdns-04.co.uk.
srv.cat. 172800 NS ns-358.awsdns-44.com.
srv.cat. 172800 NS ns-695.awsdns-22.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0