maxemail.emailcenteruk.com has no NS records.
NS records for this zone are defined at emailcenteruk.com.
NS records for this zone are defined at emailcenteruk.com.
Question and response
Question
dig maxemail.emailcenteruk.com. NS
Answer
The response has no answer records.
Authority
emailcenteruk.com. 900 SOA ns-1199.awsdns-21.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0