Question and response
Question
dig xssl.net. MX
Answer
xssl.net. 300 MX 0 mx2.spamfiltering.com.
Authority
xssl.net. 300 NS dns1.xssl.net.
xssl.net. 300 NS dns3.xssl.net.
xssl.net. 300 NS dns2.xssl.net.
Additional
mx2.spamfiltering.com. 600 A 185.249.122.21
mx2.spamfiltering.com. 600 A 78.129.212.228
mx2.spamfiltering.com. 600 A 185.249.122.19
dns1.xssl.net. 300 A 84.22.166.196
dns2.xssl.net. 300 A 217.194.210.107
dns3.xssl.net. 300 A 109.169.17.173
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0