Author: firstdns

So, if one’s using BIND, depending where/how one receives such (e.g. via security supported distro), expect newer versions to be out relatively soon, mostly >~=2025-05-21. Also, many distros, etc., may, e.g. backport security fixes into older (e.g. existing production) versions of BIND (notably the ones the distro may be currently distributing and supporting). Subject: Pre-announcement … Read More “Pre-announcement of a BIND 9 security issue scheduled for disclosure 21 May 2025” »

With the exception of my CNAME DKIM records, which have TTL set to 1/2 hour, all my DNS records at my current host have one hour TTL’s. Cloudflare, by default, sets TTL’s on DNS records to “Auto.” I’m changing nameservers later today. Should I change my TTL values, or just leave them be? The necessary … Read More “TTLs for DNS Records When Changing Hosts: Recommendations” »

https://www.reddit.com/r/mullvadvpn/s/aKO8u79Nb1 They state: “Trans-Atlantic ping times for DNS will not matter or be visible to an end user. End user devices cache DNS responses. Your device doesn’t query DNS for every web page, DNS queries happen minutes about. 150ms trans-Atlantic DNS queries won’t be noticeable. If you are using CNN, for example, your device will … Read More “Is this a true statement about DNS?” »

submitted by /u/Vivid-Primary1163 [link] [comments] Powered by WPeMatico

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I have several SRV and CNAME records configured for my domain. Right now, our DNS is managed through Microsoft 365. We’re getting ready to transfer DNS to Cloudflare, and they were able to import all my DNS records. So far, so good. When I do a search for SRV or CNAME records for my domain, … Read More “SRV and CNAME records not appearing in DNS lookups” »

maybe this is the wrong subreddit, if so please tell me where to post this. i use nextdns and i checked my logs and this was by far the most resolved domain, it gets resolved on my pc every 2-3 minutes, any idea what that is? submitted by /u/ymm_exe [link] [comments] Powered by WPeMatico

I have a idea for my project to do DNS fallback using powerdns and lua scripting like that we always use public dns resolver (like 1.1.1.1, 8.8.8.8) and when we cannot get response or NXDOMAIN for the special domain(“mytest.com”), we will fallback to our local dns server(127.0.0.1:1053) to resolve it. how can I do it? … Read More “DNS fallback using powerdns and lua scripting” »

Hello, I know that there is a way to set private DNS on android and it works fine for mobile data, but when I’m connected to my home wifi, I would like to be connected to my home DNS server. How to achieve that? Private DNS seems to override any other DNS setting submitted by … Read More “How to use different DNS on wifi and mobile data on Android?” »

Recently i switched from bind to knot but knot bloating my main zonefile with dnssec records, any way available like bind foo.bar.zone.signed? submitted by /u/Adventurous-Web-451 [link] [comments] Powered by WPeMatico