smtp2164.mkhostings.com has no NS records.
NS records for this zone are defined at mkhostings.com.
NS records for this zone are defined at mkhostings.com.
Question and response
Question
dig smtp2164.mkhostings.com. NS
Answer
The response has no answer records.
Authority
mkhostings.com. 300 SOA ns3.1-hostingservice.com. domains.1-hostingservice.com. 2025052311 3600 60 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0