filtered.junkemailfilter.com has no NS records.
NS records for this zone are defined at junkemailfilter.com.
NS records for this zone are defined at junkemailfilter.com.
Question and response
Question
dig filtered.junkemailfilter.com. NS
Answer
The response has no answer records.
Authority
filtered.junkemailfilter.com. 9639 SOA ns.reality-dns.com. hostmaster.junkemailfilter.com. 2019011009 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0