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PDNSD is a non authoritative caching DNS server. It maintains a disk cache of the queries that your system performs and subsequent queries will be faster from the cache. It is safe enough to be used on a personal Unix/Linux system as a home Desktop or a Laptop.

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djbdns is a very secure suite of DNS tools that consists out of multiple parts: dnscache, a DNS cache that can be used in /etc/resolv.conf instead of your ISP's name servers and that tries to sort out wrong (malicious) DNS answers; axfrdns, a service that

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Combine Ruby, Ajax and bash with CGI scripts to monitor server-bound processe

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OpenDNS is a safer, faster, smarter and more reliable way to navigate the Internet. Our service is free and requires nothing to download.

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This hint isn't specific to Mac OS X, but I find it so helpful I wanted to share it. You can speed up DNS response for look-ups by specifying OpenDNS' servers

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dig, host, and nslookup. All three utilities are included with the BIND (Berkeley Internet Name Domain) version 9 package, part of every Mac OS X 10.4 installation, and all three do pretty much the same task: translate hostnames to IP addresses and...

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ave you ever wondered, "How does the email I'm sending, or the text on the site I'm reading, find its way from here to there?" Behind the scenes, connecting every machine on the entire Internet is a system called DNS, the Domain Name System, which...

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