Hi, I’m trying to setup a pdns-recursor in front of a powerdns auth server that will only contain one particular domain. I’d like the recursor to NOT resolve anything bu that domain, for which I configured a “forward-zones” entry in conf. The recursor is still resolving any public domain I try to resolve, and I … Read More “Avoid resolving all domains but one with pdns-recursor” »

Looking for anyone who has built one or still using to share their experiences and how. If you have your own dns server, mine’s BIND and second is Technitium, you must know you need to specify a public DNS server either your own ISP’s or public usually with anycast capabilities as a fordwarder, those are … Read More “Anyone built their own recursive DNS server?” »

Intermittent errors that prevent web page loading, etc. nslookup shows nslookup r.bing.com ;; communications error to 127.0.0.53#53: timed out ;; communications error to 127.0.0.53#53: timed out ;; communications error to 127.0.0.53#53: timed out ;; no servers could be reached 127.0.0.53 is systemd’s DNS server. That goes out to the local AT&T fibre, which goes to … Read More “New problem on Ubuntu 22.04 LTS.” »

Okay I’m sorry this is confusing me too much and I can’t work it out. Basically I need to be in control of a domain as we’re moving the server three times next week. So I’ve a website for a client (example.com) and their domain is on ionos. We can’t do name servers as they’re … Read More “Reverse Proxies to other domains?” »

If that’s not the case (I think that’s very likely), was there a leak in recent history that has been preserved? submitted by /u/eiMohyaX4phi [link] [comments] Powered by WPeMatico

Hello, I’m configuring a headless Debian server with ProtonVPN. All of the usual parts (connectivity, logging in, tun0) are working as expected. However, despite turning off IPv6 system-wide I see that dnsleak is showing me a possible leak. I disabled IPv6 as described here: https://protonvpn.com/support/disable-ipv6-protocol-linux/ The change persists after a reboot, as expected. The Proton … Read More “DNS leak showing IPv6 addresses despite IPv6 being disabled on OS level” »

Is anyone here doing geo load balancing and managing their own DNS? The specific vendor I am using falls on their face in terms of cname records that redirect to other domains like records required by Microsoft for O365. Any record created has to match the domain for which you create the record on. So … Read More “Geo load balancing and self hosting DNS” »

Hello I am trying to setup a NS record delegation for the hostname “_domainkey.mydomain.com” my record format looks like the following: _domainkey.mydomain.com. IN NS externaldomain.com. When I try to load that zone, it errors and zone check comes back: _domainkey.mydomain.com: bad owner name (check-names) If I change the record to just “domainkey.mydomain.com” and omit the … Read More “BIND9 Error when delegating NS records that begin with _” »

I’ve been troubleshooting this for a week and not sure what is next. All DNS records seem to have a 5 second TTL. The DNS server is set to 1 hour and I did a packet capture on the client and server side, but when I look at ipconfig /displaydns it always says everything is … Read More “TTL 5 seconds for everything” »

Hey everyone, I’ve pretty much cleared all hurdles but can’t seem to figure this one out: dmarc: External Domains in your DMARC are not giving permission for your reports to be sent to them. Any solutions for a fix? submitted by /u/ExcellentMaximum2019 [link] [comments] Powered by WPeMatico