@domain@.@tld@. 10800 IN SOA @domain@.@tld@. admin.@domain@.@tld@. ( 2019033101 3600 900 1209600 86400) 10800 IN NS @host@.@domain@.@tld@. 10800 IN A @HOST_LAN_IP_ADDRESS@ 10800 IN MX 10 @domain@.@tld@. 10800 IN MX 20 mail.@domain@.@tld@. ; SPF, DKIM, and DMARC records. The public DNS records must match these. ; 10800 IN TXT "v=spf1 a mx +include:comcast.net -all" ;dkim_rsa2048._domainkey 10800 IN TXT ( "v=DKIM1; k=rsa; " ; "p=public hash line 1" ; "public hash line 2" ) ;dkim_ed25519._domainkey 10800 IN TXT "v=DKIM1; k=ed25519; p=public hash" ;_dmarc 10800 IN TXT "v=DMARC1; p=reject; adkim=r; aspf=r; sp=reject; pct=100; rua=mailto:dmarcreports@@domain@.@tld@" @host@.@domain@.@tld@. 10800 IN A @HOST_LAN_IP_ADDRESS@ ; MX records *must* point to A records, not CNAME aliases mail.@domain@.@tld@. 10800 IN A @HOST_LAN_IP_ADDRESS@ lists.@domain@.@tld@. 10800 IN A @HOST_LAN_IP_ADDRESS@ server.@domain@.@tld@. 10800 IN CNAME @host@.@domain@.@tld@. www.@domain@.@tld@. 10800 IN CNAME @host@.@domain@.@tld@. smtp.@domain@.@tld@. 10800 IN CNAME @host@.@domain@.@tld@. ; Kerberos configuration with URI, TXT, and SRV records ;_kerberos.@HOST@.@DOMAIN@.@TLD@. IN URI 10 1 "udp://@host@.@domain@.@tld@" ;_kerberos.@HOST@.@DOMAIN@.@TLD@. IN URI 20 1 "tcp://@host@.@domain@.@tld@" ;_kerberos-master.@HOST@.@DOMAIN@.@TLD@. IN URI 10 1 "udp://@host@.@domain@.@tld@" ;_kerberos-master.@HOST@.@DOMAIN@.@TLD@. IN URI 20 1 "tcp://@host@.@domain@.@tld@" ;_kerberos.@host@.@domain@.@tld@. IN TXT "@HOST@.@DOMAIN@.@TLD@" ;_kerberos-master.@host@.@domain@.@tld@. IN TXT "@HOST@.@DOMAIN@.@TLD@" ;_kerberos._udp.@HOST@.@DOMAIN@.@TLD@. IN SRV 10 1 88 @host@.@domain@.@tld@. ;_kerberos._tcp.@HOST@.@DOMAIN@.@TLD@. IN SRV 10 1 88 @host@.@domain@.@tld@. ;_kerberos._tls._tcp.@HOST@.@DOMAIN@.@TLD@. IN SRV 10 1 88 @host@.@domain@.@tld@. ;_kerberos-master._udp.@HOST@.@DOMAIN@.@TLD@. IN SRV 10 1 749 @host@.@domain@.@tld@. ;_kerberos-master._tcp.@HOST@.@DOMAIN@.@TLD@. IN SRV 10 1 749 @host@.@domain@.@tld@. ;_kerberos-master._tls._tcp.@HOST@.@DOMAIN@.@TLD@. IN SRV 10 1 749 @host@.@domain@.@tld@. ; LAN clients client1.@domain@.@tld@. 10800 IN A @CLIENT_LAN_IP_ADDRESS@ client2.@domain@.@tld@. 10800 IN A @CLIENT_LAN_IP_ADDRESS@ client2-alias.@domain@.@tld@. 10800 IN CNAME client2.@domain@.@tld@.