mx02.pathe.nl has no CNAME records.
Question and response
Question
dig mx02.pathe.nl. NS
Answer
The response has no answer records.
Authority
pathe.nl. 1427 SOA annabel.ns.cloudflare.com. dns.cloudflare.com. 2397465613 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0