uklicensing.manageengine.com has no MX records.
Question and response
Question
dig uklicensing.manageengine.com. MX
Answer
The response has no answer records.
Authority
manageengine.com. 600 SOA NS1.ZOHOCORP.COM. dnsadmin.vtitan.com. 2026022205 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0