diff --git a/commands/exim_showdns.sh b/commands/exim_showdns.sh
new file mode 100644
index 0000000..8546707
--- /dev/null
+++ b/commands/exim_showdns.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+DNS=$(openssl rsa -in /etc/exim4/dkim.key -pubout)
+DNS=$(echo ${DNS} | sed "s/ //g" | sed "s/.*Y-----\(.*\)-----E.*/\1/g")
+echo -e '\t\t10800 IN MX 10 <domain>'
+echo -e '\t\t10800 IN TXT "v=spf1 a -all"'
+echo -e '_domainkey\t10800 IN TXT "o=~; r=postmaster@<domain>"'
+echo -e "x._domainkey\t10800 IN TXT \"v=DKIM1; k=rsa; p=${DNS}\""
+echo -e '_dmarc\t\t10800 IN TXT "v=DMARC1; p=quarantine"'