smart-mail.de.		30 IN SOA ns1.domainknecht.de. root.ns1.domainknecht.de. (
				1655119781 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

smart-mail.de.		30 IN TXT "v=spf1 mx -all"

smart-mail.de.		30 IN A	217.69.254.100

Mail exchangers:
smart-mail.de.		30 IN MX 10 mail.smart-mail.de.

Name servers:
smart-mail.de.		30 IN NS ns2.domainknecht.de.
smart-mail.de.		30 IN NS ns1.domainknecht.de.