mail.ahostbox.com has no NS records.
NS records for this zone are defined at ahostbox.com.
NS records for this zone are defined at ahostbox.com.
Question and response
Question
dig mail.ahostbox.com. NS
Answer
The response has no answer records.
Authority
ahostbox.com. 1800 SOA lars.ns.cloudflare.com. dns.cloudflare.com. 2398182805 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0