Question and response
Question
dig _spf-a.trendmicro.eu. TXT
Answer
_spf-a.trendmicro.eu. 3600 TXT "v=spf1 ip4:66.180.80.0/20 ip4:216.99.128.0/20 ip4:216.104.0.0/19 ip4:150.70.0.0/16 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0