Question and response
Question
dig smtp.courseware.nl. TXT
Answer
smtp.courseware.nl. 300 TXT "v=spf1 ip4:80.84.235.70 include:spf.afas.online include:spf.ccvshop.eu include:spf.protection.outlook.com include:spf.exclaimer.net include:_spf.online.superoffice.com include:servers.mcsv.net -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0