Next Milestone: IPv6 is fully functional

  • DNS Benchmark v2 is Finished and Available!
    Guest:
    That's right. It took an entire year, but the result far more accurate and feature laden than we originally planned. The world now has a universal, multi-protocol, super-accurate, DNS resolver performance-measuring tool. This major second version is not free. But the deal is, purchase it once for $9.95 and you own it — and it's entire future — without ever being asked to pay anything more. For an overview list of features and more, please see The DNS Benchmark page at GRC. If you decide to make it your own, thanks in advance. It's a piece of work I'm proud to offer for sale. And if you should have any questions, many of the people who have been using and testing it throughout the past year often hang out here.
    /Steve.
  • Be sure to checkout “Tips & Tricks”
    Dear Guest Visitor → Once you register and log-in please checkout the “Tips & Tricks” page for some very handy tips!

    /Steve.

  • BootAble – FreeDOS boot testing freeware

    To obtain direct, low-level access to a system's mass storage drives, SpinRite runs under a GRC-customized version of FreeDOS which has been modified to add compatibility with all file systems. In order to run SpinRite it must first be possible to boot FreeDOS.

    GRC's “BootAble” freeware allows anyone to easily create BIOS-bootable media in order to workout and confirm the details of getting a machine to boot FreeDOS through a BIOS. Once the means of doing that has been determined, the media created by SpinRite can be booted and run in the same way.

    The participants here, who have taken the time to share their knowledge and experience, their successes and some frustrations with booting their computers into FreeDOS, have created a valuable knowledgebase which will benefit everyone who follows.

    You may click on the image to the right to obtain your own copy of BootAble. Then use the knowledge and experience documented here to boot your computer(s) into FreeDOS. And please do not hesitate to ask questions – nowhere else can better answers be found.

    (You may permanently close this reminder with the 'X' in the upper right.)

Steve

Steve

(as in GRC)
Staff member
Feb 1, 2019
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www.grc.com
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On Chrismas Eve, I published the 3rd development test release of DNSB. This release incorporates the significant re-engineering of the application that was required before it would be able to support anything other than 32-bit IPv4 addressing. So, although this is now “only” supporting the additional IPv6 protocol, the new framework has rewritten to support secure TLS-style DNS queries in addition to anything else that might come along in the future.

So for now, it performs side-by-side benchmarking of DNS nameservers addressed using either IPv4 or IPv6.

During the work on this, I decided to add a new sorting/ranking system using the RMS value (root mean square) of the Benchmark's three performance metrics (cached, uncached & dot com) rather than the straight three-level sort that has always been used. That new sort will be implemented next while the bugs and things I missed in R3 are found.

Once those are fixed I plan to start on the implementation of the three TLS-style secure DNS queries: DoH, DoT & DoQ.

During this re-engineering work I also realized how I could dramatically improve the performance of the benchmarking and custom resolver list building. So that will be a future feature as well.
 
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