mxin6.phpnet.org has no MX records.
Question and response
Question
dig mxin6.phpnet.org. MX
Answer
The response has no answer records.
Authority
phpnet.org. 1800 SOA ns.phpnet.org. grenoble.phpnet.org. 2026022723 3600 1800 1209600 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0