$ORIGIN my-dnssec-test-domain.de.
$TTL 3600

; SOA Record (Start of Authority)
@ IN SOA dns1.nsdns.info. admin.my-dnssec-test-domain.de. (
    2025102401  ; Serial (YYYYMMDDNN)
    7200        ; Refresh (2 hours)
    3600        ; Retry (1 hour)
    604800      ; Expire (1 week)
    86400       ; Minimum TTL (1 day)
)

; Name Server Records
@               IN NS    dns1.nsdns.info.
@               IN NS    dns2.nsdns.info.
@               IN NS    dns3.nsdns.info.

; MX Records (Mail Exchange)
@               IN MX    10 home.of.the.smiling-proxy.de.