$TTL 172800     ; 2 days
chemistry.me.uk.             IN SOA  ns1.has-no-ip.com. asmillar.sir-millar.com. (
                                2007042100 ; serial
                                3600       ; refresh (1 hour)
                                1800       ; retry (1 hour)
                                604800     ; expire (1 week)
                                172800     ; minimum (2 days)
                                )
                        NS      ns1.has-no-ip.com.
                        NS      ns2.has-no-ip.com.
                        NS      ns3.has-no-ip.com.

                        A       72.20.17.195
                        MX      10      mail
                        TXT     "v=spf1 ip4:72.20.17.195/32 ~all"
$ORIGIN chemistry.me.uk.
*                       A       72.20.17.195
www                     A       72.20.17.195
mail                    A       72.20.17.195