安装dig: yum install bind-utils 支持edns-client-subnet: http://wilmer.gaa.st/edns-client-subnet/ $ bin/dig/dig @ns1.google.com www.google.com +client=130.89.89.130 ; <<>> DiG 9.7.1-P2 <<>> @ns1.google.com www.google.com +client=130.89.89.130 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ; CLIENT-SUBNET: 130.89.89.130/32/21 ;; QUESTION SECTION: ;www.google.com. IN A ;; ANSWER SECTION: www.google.com. 604800 IN CNAME www.l.google.com. www.l.google.com. 300 IN A 74.125.79.104 www.l.google.com. 300 IN A 74.125.79.99 www.l.google.com. 300 IN A 74.125.79.147 安装支持edns-client-subnet的dig(bind): yum install patch yum install gcc wget ftp://ftp.isc.org/isc/bind9/9.7.3/bind-9.7.3.tar.gz tar zxf bind-9.7.3.tar.gz cd bind-9.7.3/ wget http://wilmer.gaa.st/edns-client-subnet/bind-9.7.3-dig-edns-client-subnet.diff cp bin/dig/dig.c{,.20130110} sed -n '26,322p' bind-9.7.3-dig-edns-client-subnet.diff > dig.patch patch -p0 < dig.patch ./configure --disable-openssl-version-check make && make install make 参考资料[1]. http://blog.chinaunix.net/uid-8926237-id-3470426.html |