smtp.webcrm.com has no NS records.
NS records for this zone are defined at webcrm.com.
NS records for this zone are defined at webcrm.com.
Question and response
Question
dig smtp.webcrm.com. NS
Answer
The response has no answer records.
Authority
webcrm.com. 1800 SOA hans.ns.cloudflare.com. dns.cloudflare.com. 2397589745 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0