webmail.mundivox.com has no NS records.
NS records for this zone are defined at mundivox.com.
NS records for this zone are defined at mundivox.com.
Question and response
Question
dig webmail.mundivox.com. NS
Answer
The response has no answer records.
Authority
mundivox.com. 300 SOA ns-rj-1.mundivox.com. ti.mundivox.com. 2026020301 7200 3600 1209600 4320
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0