Does Route 53 support MX Records?
A.
Yes.
B.
It supports CNAME records, but not MX records.
C.
No.
D.
Only Primary MX records. Secondary MX records are not supported.
Explanation:
http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/ResourceRecordTypes.html#MXFormat
A:Amazon Route 53 supports the DNS resource record types that are listed in this section namely
A Format
AAAA Format
CNAME Format
MX Format
NAPTR Format
NS Format
PTR Format
SOA Format
SPF Format
SRV Format
TXT Format