manage.wowrackcloud.com has no NS records.
NS records for this zone are defined at wowrackcloud.com.
NS records for this zone are defined at wowrackcloud.com.
Question and response
Question
dig manage.wowrackcloud.com. NS
Answer
The response has no answer records.
Authority
wowrackcloud.com. 1800 SOA ns1.wowrack.com. hostmaster.wowrackcloud.com. 2020112901 14400 1800 86400 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0