http://www.dnsknowledge.com DNS Tutorial, News and Tools Sat, 12 May 2012 22:49:40 +0000 en-US hourly 1 http://wordpress.org/?v=3.5 http://www.dnsknowledge.com/tutorials/google-public-dns/ipv6-public-dns-server/ http://www.dnsknowledge.com/tutorials/google-public-dns/ipv6-public-dns-server/#comments Sun, 24 Apr 2011 20:44:23 +0000 admin http://dnsknowledge.com/?p=347 Google provides an excellent set of public DNS servers but it won't work on an native IPv6 address or transport. From the official google help pages: ]]> http://www.dnsknowledge.com/tutorials/google-public-dns/ipv6-public-dns-server/feed/ 1 http://www.dnsknowledge.com/bind/howto-test-bind-open-recursive-dns-queries/ http://www.dnsknowledge.com/bind/howto-test-bind-open-recursive-dns-queries/#comments Mon, 18 Apr 2011 17:37:08 +0000 admin http://dnsknowledge.com/?p=339 How do I test that my BIND dns server is not acting as Open resolvers? How do I test if server is acting as open resolver for abusing the large DNS queries?]]> http://www.dnsknowledge.com/bind/howto-test-bind-open-recursive-dns-queries/feed/ 0 http://www.dnsknowledge.com/bind/disabling-named-server-query-version-feature/ http://www.dnsknowledge.com/bind/disabling-named-server-query-version-feature/#comments Fri, 18 Mar 2011 20:02:56 +0000 admin http://dnsknowledge.com/?p=330 How do I disable the bind version.bind option under UNIX or Linux operating systems to improve my name server security?]]> http://www.dnsknowledge.com/bind/disabling-named-server-query-version-feature/feed/ 0 http://www.dnsknowledge.com/q-a/website-not-reachable-error/ http://www.dnsknowledge.com/q-a/website-not-reachable-error/#comments Fri, 16 Jul 2010 20:52:17 +0000 admin http://dnsknowledge.com/?p=305 http://www.dnsknowledge.com/q-a/website-not-reachable-error/feed/ 0 http://www.dnsknowledge.com/bind/linux-check-bind-version/ http://www.dnsknowledge.com/bind/linux-check-bind-version/#comments Thu, 08 Jul 2010 22:38:46 +0000 admin http://dnsknowledge.com/?p=301 http://www.dnsknowledge.com/bind/linux-check-bind-version/feed/ 0 http://www.dnsknowledge.com/q-a/what-ports-need-to-be-open-for-dns-operate/ http://www.dnsknowledge.com/q-a/what-ports-need-to-be-open-for-dns-operate/#comments Fri, 28 May 2010 23:07:12 +0000 admin http://dnsknowledge.com/?p=286 I'd like to know what TCP and UDP ports need to be open for the Domain Name Service (DNS) to function properly under Linux, OS X and UNIX like operating systems?]]> http://www.dnsknowledge.com/q-a/what-ports-need-to-be-open-for-dns-operate/feed/ 2 http://www.dnsknowledge.com/tutorials/centos-tutorials/bind-9/howto-setup-dynamic-dns-ddns/ http://www.dnsknowledge.com/tutorials/centos-tutorials/bind-9/howto-setup-dynamic-dns-ddns/#comments Mon, 24 May 2010 22:16:34 +0000 admin http://dnsknowledge.com/?p=224 How do I setup Dynamic DNS (DDNS) in CentOS Linux 4 or 5 server operating systems?]]> http://www.dnsknowledge.com/tutorials/centos-tutorials/bind-9/howto-setup-dynamic-dns-ddns/feed/ 5 http://www.dnsknowledge.com/q-a/check-airtel-broadband-usage/ http://www.dnsknowledge.com/q-a/check-airtel-broadband-usage/#comments Sun, 23 May 2010 21:21:31 +0000 admin http://dnsknowledge.com/?p=211 How do I check Airtel Broadband usage? ]]> http://www.dnsknowledge.com/q-a/check-airtel-broadband-usage/feed/ 82 http://www.dnsknowledge.com/tutorials/debian/bind9/linux-set-bind9-caching-dns-nameserver/ http://www.dnsknowledge.com/tutorials/debian/bind9/linux-set-bind9-caching-dns-nameserver/#comments Sun, 23 May 2010 17:52:04 +0000 admin http://dnsknowledge.com/?p=190 The resolving name servers directly finds out information about the root servers, top level domains and authoritative name servers. It also speed up queries by caching results locallly as configured by hostmater in their domains’ TTL field. You can setup BIND 9 as caching name server to speed up dns caching for the rest of all clients. This tutorial explain - how to install BIND 9 caching only dns server under Debian Linux.]]> http://www.dnsknowledge.com/tutorials/debian/bind9/linux-set-bind9-caching-dns-nameserver/feed/ 3 http://www.dnsknowledge.com/q-a/howto-edit-etcresolv-conf-file-in-centos/ http://www.dnsknowledge.com/q-a/howto-edit-etcresolv-conf-file-in-centos/#comments Fri, 21 May 2010 21:40:31 +0000 admin http://dnsknowledge.com/?p=187 How do I edit /etc/resolv.conf file in CentOS Linux?]]> http://www.dnsknowledge.com/q-a/howto-edit-etcresolv-conf-file-in-centos/feed/ 2