lb-182-252.above.com has no MX records.
Question and response
Question
dig lb-182-252.above.com. MX
Answer
The response has no answer records.
Authority
above.com. 86400 SOA ns1.trellian.com. hostmaster.trellian.com. 2026020400 14400 3600 604800 86400
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0