dns-01.ultradns2.com has no NS records.
NS records for this zone are defined at ultradns2.com.
NS records for this zone are defined at ultradns2.com.
Question and response
Question
dig dns-01.ultradns2.com. NS
Answer
The response has no answer records.
Authority
ultradns2.com. 300 SOA pdns1.ultradns.net. domains.vercara.com. 2022071123 300 900 86400 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0