Question and response
Question
dig spf.smtp.software. CERT
Answer
The response has no answer records.
Authority
smtp.software. 3600 SOA nsn1.mijndomein.nl. hostmaster.smtp.software. 2026022601 86400 3600 604800 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0