mail.alpha.net.cy has no NS records.
NS records for this zone are defined at alpha.net.cy.
NS records for this zone are defined at alpha.net.cy.
Question and response
Question
dig mail.alpha.net.cy. NS
Answer
The response has no answer records.
Authority
alpha.net.cy. 1800 SOA logan.ns.cloudflare.com. dns.cloudflare.com. 2396996082 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0