mail2.innovestsystems.com has no NS records.
NS records for this zone are defined at innovestsystems.com.
NS records for this zone are defined at innovestsystems.com.
Question and response
Question
dig mail2.innovestsystems.com. NS
Answer
The response has no answer records.
Authority
innovestsystems.com. 300 SOA sauthns2.qwest.net. abuse.centurylinkservices.net. 2260112088 10800 3600 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0