cacti.cyberlynk.net has no MX records.
Question and response
Question
dig cacti.cyberlynk.net. MX
Answer
The response has no answer records.
Authority
cyberlynk.net. 3600 SOA NS.cyberlynk.net. DNSADMIN.cyberlynk.net. 2026030320 10800 3600 604800 3600
Additional
. 0 OPT ; payload 2800, xrcode 0, version 0, flags 0