Information about DNS and network
I’ve been trying to debug some dns issues with an external DNA server. I used Gibson’s DNS Benchmark tool. But now I want to do individual DNS requests, cached, uncached and dotcom. SO I can them look at the logs and easily find the events. Are there commands that tell the dns server to reply … Read More “command line way to do cached and uncached requests?” »
Hi all, Anyone with ideas on how to do DNS load balancer, i.e. sends request to multiple servers based on DNS query. So you wondering why not just put a proxy server in front?, the servers are in different locations and I need a smart way of sending traffic to them based on cost & … Read More “DNS Load Balancer” »
It is suppose to be only CDN77(datacamp) and datapacket, but from the results it was hundred of cloudflare and google dns ip. what could it be?. Try dnscheck.tools submitted by /u/Haunting_Drawing_885 [link] [comments] Powered by WPeMatico
submitted by /u/giwidouggie [link] [comments] Powered by WPeMatico
Hi everyone, We received a request for a DNS forward with the domain name “-type=ns example.com 11.22.33.44.” I’m trying to understand what this means and how it works. After some research, I understand that this is a nameserver record request. However, in my configuration, when I add the entire entry “-type=ns example.com 11.22.33.44,” it resolves … Read More “Clarification Needed on DNS Forward Request and Nameserver Record Configuration” »
Hello, I’m a fledgling developer and I just took over admin for a website from another web service and I used Cloudflare to get the records I needed and was planning on using it to manage the DNS settings, at least for now. My question pertains to all of the records I receivfed. It’s a … Read More “Have a problem hopefully someone can help me with” »
Hi I have an application with one webserver in each machine. App runs in one machine but I can do a failover manually I have a dns with two ips such as Cluster.app.com 192.168.1.123 Cluster.app.com 192.168.1.124 When I connect from the application or from the browser always resolve with web server active and if I … Read More “Behavior dns with two ips in failover” »
I have no problem with dmarc, cloud, or big companies but when dmarc records are not updated and i reject because computer says no dmarc is gmail and other companies ignoring dmarc. and using some other mechanism. OK we are strict but to set dmarc to ignore seems strange. I like dmarc yes it works … Read More “dmarc records, cloud computing at big companies fail” »
I turned on Secure DNS in my Chrome and Firefox browsers and set them to Google Public DNS 8.8.8.8 and CloudFlare 1.1.1.1. I read that DNS a query resolution can go thru multiple DNS servers like the Root server then the TLD server then a 2nd Level Domain Server. As my DNS query goes thru … Read More “Question about the real security of encrypted DNS.” »
Word on the street is that there are DNS resolvers out there that cache RRs (significantly) longer than the TTL of the RR on the authoritative DNS server(s) dictates. Is there any reliable report that can be referenced that helps to quantify the issue? My research came up dry. I found nothing but rumors, mostly … Read More “(Scientific) data around DNS resolvers not honoring TTL?” »