ns1.commonmx.com has no NS records.
NS records for this zone are defined at commonmx.com.
NS records for this zone are defined at commonmx.com.
Question and response
Question
dig ns1.commonmx.com. NS
Answer
The response has no answer records.
Authority
commonmx.com. 3600 SOA ns-usa.topdns.com. hostmaster.topdns.com. 2026020301 43200 900 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0