I’m working on a DNS resolver program referencing RFC1035, and am confused about multiple questions per query. What if some questions in the query can be answered with local data, but some has to be send to another server? Do I need to wait for the server’s reply and send the whole thing back to … Read More “Question regarding multiple questions in one query datagram” »

Just learned about dns filter and got personaldnsfilter. Is it safe for my device? Does it drain battery? Give virus? submitted by /u/Konabe-Dokuyo [link] [comments] Powered by WPeMatico

I flushed Chrome’s DNS cache in chrome://net-internals/#dns and then browsed a couple of websites. I then checked ipconfig /displaydns and none of the two URLs were there. If I’m right, this means that Chrome is using its own DNS client (stub resolver) instead of Windows DNS client service. I had a similar result with Microsoft … Read More “Do Google Chrome and Microsoft Edge use their own DNS clients?” »

Hi All, ​ We run a website, and the domain hosting is a chinese site. we have all DNS records set up correctly and pointing towards our shopify store, however we keep getting disconnected from the domain. Does anyone have any ideas if this happens to others who try to operate in the same=way? (Thinking … Read More “Domain Hosted in China” »

What is the recommended value for DNS TTL ? What are the pros and cons of the Recommended setting? Thanks submitted by /u/Next-Rip-6947 [link] [comments] Powered by WPeMatico

Firstly I am a complete DNS noob and am looking to better my understanding of the overall concept so all help is appreciated. I have one host which has two NICs. Right now one of the NICs has an A record and a corresponding PTR record in internal DNS. I was given a list of … Read More “Can I have two PTR records for the same host, one for each NIC on the server? Would this be the same as making two A records for the same host with it’s two different IP addresses for the two NICs?” »

My public bind hosts zone example.net Within this zone I’d like to have an entry sub NS x.x.x.x Where x.x.x.x is the same server. Is this possible and what do I need to tame care of? Why do I want this? For letsencrypt. Sadly certbot is still broken and dns challenge does not follow CNAMEs. … Read More “Bind delegate subdomain but to SAME server” »

I have a website “example.com”, which has many subpages, including “example.com/sites/something”. It is hosted on Firebase hosting, with the domain managed in Google Domains. I want to implement a service that allows users to point their custom domains (for example “custom.com”) to “example.com/sites/something” – preferably also hosted on Google Domains. How do I achieve that … Read More “Pointing a custom domain to a subdirectory page of another domain (Google Domains + Firebase)” »

So I did some tests on both Google and Cloudflare DNS servers (results here and here) using the measure-command and nslookup commands to find out how long it takes for the servers to answer my query and it seems like cloudflare’s 1.0.0.1 is the fastest followed by 8.8.4.4/1.1.1.1. So I’m guessing I should set my … Read More “Optimal DNS provider for me based on tests” »

For DNSSEC And Why DANE Is Needed: https://blog.technitium.com/2023/05/for-dnssec-and-why-dane-is-needed.html submitted by /u/shreyasonline [link] [comments] Powered by WPeMatico