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  • Categories Network Operations

Mr DNS Podcast

  • Post author j2sw
  • Post date April 1, 2020

If you are wanting learn all about DNS and learn lots of geeky DNS stuff you can listen http://www.ask-mrdns.com/

  • Categories Network Operations

Using 8.8.8.8 or local resolvers for ISPs

  • Post author j2sw
  • Post date December 31, 2019

ISPs should not be using external resolvers such as google’s 8.8.8.8 to do resolving for their customers

  • Categories Network Operations

How does DNS work for the ISP?

  • Post author j2sw
  • Post date December 2, 2019

If you are not familiar with how DNS and how an ISP uses it works please watch the following video

  • Categories Network Operations

How to disable one of the dumbest things ever: AKA DNS over HTTPS (DoH)

  • Post author j2sw
  • Post date October 1, 2019

So the folks over at Mozilla thought it would be cool to do DNS over HTTPS.  This is a dumb idea. If you happen to be running Mozzilla Firefox you should disable this for your own sake. https://support.mozilla.org/en-US/kb/configuring-networks-disable-dns-over-https If you …

  • Categories Network Operations

Mikrotik DNS DDoS script

  • Post author j2sw
  • Post date July 18, 2019

Do you want to protect your Mikrotik from DNS DDoS attacks? The following script looks for malformed DNS packets commonly used in DDoS attacks

  • Categories Network Operations

Protecting Mikrotik from DNS amplification

  • Post author j2sw
  • Post date May 2, 2019

This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this …

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