spf.encirca-hosting.net has no MX records.
Question and response
Question
dig spf.encirca-hosting.net. MX
Answer
The response has no answer records.
Authority
encirca-hosting.net. 3600 SOA dnssec1.encirca.net. dnsmaster.encirca.com. 2026021901 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0