mail.skillgate.com has no NS records.
NS records for this zone are defined at skillgate.com.
NS records for this zone are defined at skillgate.com.
Question and response
Question
dig mail.skillgate.com. NS
Answer
The response has no answer records.
Authority
skillgate.com. 3600 SOA ns1.kloudns.co.uk. dns-admin.katapult.io. 1770632435 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0