mx2.wrg.edu.do has no NS records.
NS records for this zone are defined at wrg.edu.do.
NS records for this zone are defined at wrg.edu.do.
Question and response
Question
dig ip2.whk.homes. NS
Answer
The response has no answer records.
Authority
whk.homes. 1800 SOA aria.ns.cloudflare.com. dns.cloudflare.com. 2397999930 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0