bliksem2.nssi.telus.com has no MX records.
Question and response
Question
dig bliksem2.nssi.telus.com. MX
Answer
The response has no answer records.
Authority
nssi.telus.com. 3600 SOA dns36.telus.com. dnsadmin2.telus.com. 2017101651 900 7200 3600000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0