d1.yottavdi.com has no NS records.
NS records for this zone are defined at yottavdi.com.
NS records for this zone are defined at yottavdi.com.
Question and response
Question
dig d1.yottavdi.com. NS
Answer
The response has no answer records.
Authority
yottavdi.com. 86400 SOA ns1.yotta.com. root\@ns1.yotta.com. 2025122302 3600 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0