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Do not add, change, or delete name servers in this record.
Keep it to 12 hours if your secondary name servers support notify..Since dynamic zones are harder to maintain in Bind, you will create a separated subzone separated from our main zone.A zone file consists of directives and resource records. ( 2001062501 ; serial 21600 ; refresh after 6 hours 3600 ; retry after 1 hour 604800 ; expire after 1 week 86400 ) ; minimum TTL of 1 day ; ; IN NS dns1. dns1 IN A 10.0.1.1 IN AAAA aaaa:bbbb::1 dns2 IN A 10.0.1.2 IN AAAA aaaa:bbbb::2 ; ; @ IN MX 10 mail. mail IN A 10.0.1.5 IN AAAA aaaa:bbbb::5 mail2 IN A 10.0.1.6 IN AAAA aaaa:bbbb::6 ; ; ; This sample zone file illustrates sharing the same IP addresses ; for multiple services: ; services IN A 10.0.1.10 IN AAAA aaaa:bbbb::10 IN A 10.0.1.11 IN AAAA aaaa:bbbb::11 ftp IN CNAME services. ; ; A reverse name resolution zone file is used to translate an IP address in a particular namespace into an fully qualified domain name (FQDN). ( 2001062501 ; serial 21600 ; refresh after 6 hours 3600 ; retry after 1 hour 604800 ; expire after 1 week 86400 ) ; minimum TTL of 1 day ; @ IN NS dns1. Amazon Route 53 automatically creates a name server (NS) record that has the same name as your hosted zone.It lists the four name servers that are the authoritative name servers for your hosted zone.