Question and response
Question
dig mail-forwarder.io. MX
Answer
mail-forwarder.io. 300 MX 10 mx-01.mail-forwarder.io.
mail-forwarder.io. 300 MX 20 mx-02.mail-forwarder.io.
Authority
mail-forwarder.io. 172800 NS ns-1476.awsdns-56.org.
mail-forwarder.io. 172800 NS ns-1724.awsdns-23.co.uk.
mail-forwarder.io. 172800 NS ns-213.awsdns-26.com.
mail-forwarder.io. 172800 NS ns-590.awsdns-09.net.
Additional
mx-01.mail-forwarder.io. 60 A 5.22.145.121
mx-01.mail-forwarder.io. 60 A 5.22.145.16
mx-01.mail-forwarder.io. 60 AAAA 2a00:18e0:5:2:7577:4e4d:413b:f507
mx-01.mail-forwarder.io. 60 AAAA 2a00:18e0:5:3:dfe2:c743:85aa:61bc
mx-02.mail-forwarder.io. 60 A 5.22.145.16
mx-02.mail-forwarder.io. 60 A 5.22.145.121
mx-02.mail-forwarder.io. 60 AAAA 2a00:18e0:5:2:7577:4e4d:413b:f507
mx-02.mail-forwarder.io. 60 AAAA 2a00:18e0:5:3:dfe2:c743:85aa:61bc
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0