a42-131.akagtm.org has no MX records.
Question and response
Question
dig a42-131.akagtm.org. MX
Answer
The response has no answer records.
Authority
akagtm.org. 172800 SOA a5-128.akagtm.org. hostmaster.akamai.com. 1740666366 172800 172800 172800 180
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0