DNS Shotgun is capable of simulating real client behaviour by replaying captured traffic over selected protocol(s). The timing of original queries as well as their content is kept intact.
Tag Archives: dns
The BrothersWisp Podcast
Finally had some time to contribute to another podcast I am a part of.
This week we talk about:
WISP Virtual Summit July 28th
Save Dave’s brain
RIP Ubiquiti Unifi Video – EOL 1/1/2021
zwift.com
Cloudflare DNS outage
David – Arduino, PHP programming, cycling and weight loss, new kid,
Wilson’s RPKI
Mike got some new hardware; a stent!
I’m done with my sales training – I’m a real boy
Simple Mikrotik DNS cache flush script
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.
Unlock with PatreonMr DNS Podcast
If you are wanting learn all about DNS and learn lots of geeky DNS stuff you can listen http://www.ask-mrdns.com/
Using 8.8.8.8 or local resolvers for ISPs
I recently uploaded a video to youtube talking about why ISPs should not be using external resolvers such as google’s 8.8.8.8 to do resolving for their customers. In this post, I am going to give you, The Patreon subscribers, more information on this topic.
Some clarification. Running 8.8.8.8 as your primary resolver is not an evil thing, it’s just not optimal. Whenever I am managing a network I want to squeeze every last bit of performance I can out of it. One way to do this is to run your own resolvers with root hints.
Let’s start with some links
Everything you ever wanted to know about root hints
https://kb.isc.org/docs/aa-01309
Setting up Unbound
http://troubleshooters.com/linux/unbound_nsd/unbound.htm
FAQ
Do I setup forwarders or root hints?
Do root hints. Bind will cache the lookups. This way you are not dependent on another entities DNS servers
My upstream ISP has DNS servers. Should I use them?
This is better than nothing, but I would ask them where those servers are located. It’s really not that hard to run your own.
How does DNS work for the ISP?
I started a blog tonight on DNS design for the ISP. As a result of this writing, I found myself explaining a lot of what the following video does. So if you are not familiar with how DNS works please watch the following video and look for a new post soon on DNS design for the ISP.
How to disable one of the dumbest things ever: AKA DNS over HTTPS (DoH)
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 want the functionality of DNS over HTTPS (DoH) then use a VPN and make your life easier.
Mikrotik DNS DDoS script
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.
Protecting Mikrotik from DNS amplification
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.