$TTL 604800 @ SOA localhost. root.localhost. ( 1 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; Public zone roots, mailhubs and non-CNAME services (use A) NS localhost. A 192.168.222.250 ;188.183.5.254 MX 0 . SPF "v=spf1 -all" ; External hosts (use A and TXT-wrapped CNAME or PTR) ; Public local hosts (use A) ; Public wildcards of zone roots, hosts and non-CNAME services (use A and TXT or CNAME) * CNAME xayide.jones.dk. ; Public CNAME-mapped PTR records ; Public authentication-related (LDAP and Kerberos) records ; External services (use CNAME to local A, or A and TXT-wrapped CNAME, or CNAME if ok with partner) ; Public local services (use CNAME) ; Private zone roots, mailhubs and non-CNAME services (use A) ; Private hosts (use A) ; Private wildcards of zone roots, hosts and non-CNAME services (use CNAME) ; Private CNAME-mapped PTR records ; Private services (use CNAME) ; Private CNAME-mapped PTR records