sender4-1.zohomail360.com has no NS records.
NS records for this zone are defined at zohomail360.com.
NS records for this zone are defined at zohomail360.com.
Question and response
Question
dig sender4-1.zohomail360.com. NS
Answer
The response has no answer records.
Authority
zohomail360.com. 600 SOA ns1.vtitan.com. dnsadmin.vtitan.com. 2026021000 7200 1800 1209600 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0