mx.service.netease.com has no TXT records.
Question and response
Question
dig mx.service.netease.com. TXT
Answer
The response has no answer records.
Authority
netease.com. 60 SOA ns4.nease.net. admin.nease.net. 20810053 7200 1800 1209600 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0