pop.everlytic.com has no NS records.
NS records for this zone are defined at everlytic.com.
NS records for this zone are defined at everlytic.com.
Question and response
Question
dig exchange.everlytlc.com. NS
Answer
The response has no answer records.
Authority
everlytlc.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1771668988 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0