whatsmydns.net - DNS Propagation Checker
ALL A AAAA CAA CNAME MX NS PTR SOA SRV TXT ANY

No ANY records found for dns03.mimecast.com.

Try mimecast.com instead?

id 52468, opcode QUERY, rcode NOTIMP, flags QR RD RA
;QUESTION
dns03.mimecast.com. IN ANY
;ANSWER
;AUTHORITY
;ADDITIONAL

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