dnssec2.encirca.net has no MX records.
Question and response
Question
dig dnssec2.encirca.net. MX
Answer
The response has no answer records.
Authority
encirca.net. 3600 SOA standard3.encirca.net. dnsmaster.encirca.com. 2026021901 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0