http://dnsknowledge.com DNS Tutorial, News and Tools Sat, 17 Jul 2010 04:17:58 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 http://dnsknowledge.com/q-a/website-not-reachable-error/ http://dnsknowledge.com/q-a/website-not-reachable-error/#comments Fri, 16 Jul 2010 20:52:17 +0000 admin http://dnsknowledge.com/?p=305 http://dnsknowledge.com/q-a/website-not-reachable-error/feed/ 0 http://dnsknowledge.com/bind/linux-check-bind-version/ http://dnsknowledge.com/bind/linux-check-bind-version/#comments Thu, 08 Jul 2010 22:38:46 +0000 admin http://dnsknowledge.com/?p=301 http://dnsknowledge.com/bind/linux-check-bind-version/feed/ 0 http://dnsknowledge.com/q-a/what-ports-need-to-be-open-for-dns-operate/ http://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://dnsknowledge.com/q-a/what-ports-need-to-be-open-for-dns-operate/feed/ 0 http://dnsknowledge.com/tutorials/centos-tutorials/bind-9/howto-setup-dynamic-dns-ddns/ http://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://dnsknowledge.com/tutorials/centos-tutorials/bind-9/howto-setup-dynamic-dns-ddns/feed/ 0 http://dnsknowledge.com/q-a/check-airtel-broadband-usage/ http://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://dnsknowledge.com/q-a/check-airtel-broadband-usage/feed/ 0 http://dnsknowledge.com/tutorials/debian/bind9/linux-set-bind9-caching-dns-nameserver/ http://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://dnsknowledge.com/tutorials/debian/bind9/linux-set-bind9-caching-dns-nameserver/feed/ 0 http://dnsknowledge.com/q-a/howto-edit-etcresolv-conf-file-in-centos/ http://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://dnsknowledge.com/q-a/howto-edit-etcresolv-conf-file-in-centos/feed/ 0 http://dnsknowledge.com/whatis/nxdomain-non-existent-domain-2/ http://dnsknowledge.com/whatis/nxdomain-non-existent-domain-2/#comments Fri, 14 May 2010 22:01:30 +0000 admin http://dnsknowledge.com/?p=167 What is NXDOMAIN? How does nxdomain affects my browsing? Explains the relationship between NXDOMAIN and DNS Hijacking.]]> http://dnsknowledge.com/whatis/nxdomain-non-existent-domain-2/feed/ 0 http://dnsknowledge.com/news/wikipedia-site-website-dow/ http://dnsknowledge.com/news/wikipedia-site-website-dow/#comments Wed, 24 Mar 2010 19:06:39 +0000 admin http://dnsknowledge.com/?p=161 http://dnsknowledge.com/news/wikipedia-site-website-dow/feed/ 0 http://dnsknowledge.com/news/25-years-of-the-com/ http://dnsknowledge.com/news/25-years-of-the-com/#comments Mon, 15 Mar 2010 16:57:48 +0000 admin http://dnsknowledge.com/?p=141 The domain name .com is a generic top-level domain (gTLD) in the Domain Name System of the Internet. .COM is one of the first set of gTLD. It was first implemented for use on the Internet in January 1985. The internet celebrates a landmark event on the 15 March - the 25th birthday of the day the first dotcom name was registered. ]]> http://dnsknowledge.com/news/25-years-of-the-com/feed/ 1