netblock1.cyberlynk.net has no MX records.
Question and response
Question
dig netblock1.cyberlynk.net. MX
Answer
The response has no answer records.
Authority
cyberlynk.net. 3600 SOA NS.cyberlynk.net. DNSADMIN.cyberlynk.net. 2026022432 10800 3600 604800 3600
Additional
. 0 OPT ; payload 2800, xrcode 0, version 0, flags 0