on.spiceworks.com has no NS records.
NS records for this zone are defined at spiceworks.com.
NS records for this zone are defined at spiceworks.com.
Question and response
Question
dig on.spiceworks.com. NS
Answer
The response has no answer records.
Authority
spiceworks.com. 900 SOA ns-518.awsdns-00.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0