DNS: domain,zone递归迭代
PC->DNS Server
解析：正向，反向FQDN：完全合格域名
DNS：资源记录类型
FQDN A IP区域 NS 域名服务器名称 定义一个区域的域名服务器是谁SOA 起始授权记录，资源数据库的第一条记录MX（0-99） 邮件交换器，优先级之分CNAME 别名，前面的是后面的别名RTP 指针记录TXT
DNS 区域传送：axfr，ixfr UDP:53 TCP:53
bind，named，DNSbind-libsbind-utilsbind-chroot 不要装caching-nameserver
/etc/named.confoptions { directory "/var/named";};
zone "." IN { type hint; file "name.ca";};
zone "localhost" IN { type master; file "localhost.zone";};
zone "0.0.127.in-addr.arpa" IN { type master file "named.local"};
dig -t NS . @a.root-servers.net > /car/named/named.ca
host [TTL] IN RR_TYPE data www.a.com 86400 IN A 1.1.1.1
$TTL 86400@ IN SOA a.com. admin.a.com.( 2011012901 1H 10M 7D 1D ) 否定回答记录时间 IN NS ns1.a.com. IN NS ns2.a.com. IN MX 10 mail1.a.com. IN MX 20 mail2.a.com.
$TTL 86400$ORIGIN a.com.@ IN SOA a.com. admin.a.com.( 2011012901 1H 10M 7D 1D ) 否定回答记录时间 IN NS ns1 IN NS ns2 IN MX 10 mail1 IN MX 20 mail2
querylog
dig txt chaos version.bind @127.0.0.1
listen-onquerylog booleanversionallow-recursionallow-query
DMZ 非军事化区
view "lan" { match-clients { 192.168.0.0/24； }； }
host -t TYPE name host -t A www.a.com host -t MX a.com
apnic 亚太地区网络信息中心www.dnspod.cnwww.dns.lawww.8gdns.com
mysqlpostgresqlLDAPBDB,Berkeley DB, sleepycatkey-value
powerDNS,cache,30000xinnet.com
./configure --prefix-/usr/local/named --sysconfig=/etc/named --with-dlz-mysql=/usr/local/mysql --with-dlz-postgresql --with-dlz-file --with-dns
