mail8835.silverpop-email.branch.rocks has no NS records.
NS records for this zone are defined at branch.rocks.
NS records for this zone are defined at branch.rocks.
Question and response
Question
dig mail8835.silverpop-email.branch.rocks. NS
Answer
The response has no answer records.
Authority
branch.rocks. 1800 SOA brianna.ns.cloudflare.com. dns.cloudflare.com. 2399027591 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0