ns1.zohocorp.com has no MX records.
Question and response
Question
dig ns1.zohocorp.com. MX
Answer
The response has no answer records.
Authority
zohocorp.com. 300 SOA ns1.zohocorp.com. dnsadmin.vtitan.com. 2026022401 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0