Catégorie : Non classé

One of my new kids on the block asked me a question tonight; “Jermal, how do I get the mx record of a domain?” To retrieve mx record information we need to use a tool called nslookup which is available in Windows and Linux The quick syntax use is nslookup [-option] [hostname] [server] Example of … Read More « Retrieve MX records using nslookup » »

submitted by jermsmit [link] [2 comments] Powered by WPeMatico

Everyone thought it was bandwidth utilization but we brought in a new 50/10 circuit (this issue wasn’t the deciding factor) and it may have gotten worse. Symptoms: Pages load slowly, I mean 56k slow but only sometimes, but frequently, or pages load halfway but on refresh almost instantly. Since the latest chrome update it actually … Read More « DNS lookup failed or very, very, slow. » »

I am running a simple PERL web spider at home on a linux computer. When running 20 or more threads I tend to take down my router. This has been something i’ve looked into from time to time over the years. I use dd-wrt and when the network starts to really slow down there are … Read More « DNS help with a web spider » »

I was on a client site and made companydomain.com point to a new server, which worked almost immediatly. Everyone else sees that companydomain.com resolves to a new IP address EXCEPT for everyone in our office. We’re all behind the same router, so I restarted the router in case it was caching an old value. I’m … Read More « Made a DNS change for the company website and everyone on the internet can see the change.. EXCEPT for any computer within our office. What's going on? It's been more than 24 hours. » »

submitted by 4964d3aae7085d86607b [link] [1 comment] Powered by WPeMatico

If you happen to be looking for RPMs for pdnsd and dnscrypt-proxy on Fedora, you can use my RPM specs to build RPMS to install on your Fedora Linux machine. I’ve tested them to work on Fedora 19. The original pdnsd SPEC has a bug that causes rpmbuild to fail and the original dnscrypt-proxy SPEC … Read More « Fedora RPM specs for pdnsd and dnscrypt-proxy » »

Hey there. I run a minecraft server and I’m having a bit of issues figuring out the best approach to accessing ports using either subdomains or ports at the end of a url. With both my servers they’re using an SRV record, so those are fine. However, with my admin panel and dynmap page, I … Read More « Trying to figure out how to link a subdomain to a specific port. » »

submitted by ishwon [link] [comment] Powered by WPeMatico

Maybe I’m creating my own problem but I’m kind of stuck. I have a handful of hosts at home and a 64 address DHCP block for which I have a TLD setup on a Solaris machine. nslookup from the Windows clients always works (it always asks the primary DNS server, the Solaris machine), but when … Read More « DNS at home » »