mail.hotech.gr has no NS records.
NS records for this zone are defined at hotech.gr.
NS records for this zone are defined at hotech.gr.
Question and response
Question
dig mail.hotech.gr. NS
Answer
The response has no answer records.
Authority
hotech.gr. 1800 SOA elma.ns.cloudflare.com. dns.cloudflare.com. 2396588336 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0