Information about DNS and network
Hello all, I am trying to troubleshoot an Internal DNS issue where our website will not resolve. It works fine externally, but not internally. I have flushed the DNS on both DC’s, changed the DNS servers on the DC’s, and cleared the cache through DNS manager. Now, the website will work internally, through Firefox, Opera, … Read More “Internal DNS Issue” »
Me and my friend are pretty new to complex networking and are trying to set up an apache guacamole remote desktop with a physical server that is using Ubuntu Jammy Linux, downloading apache from Cloudron. This worked really well with buying a Linode server as a test but it was really slow due to the … Read More “Domain server not connecting outside of LAN” »
Was looking for an easier way to automate Let’s Encrypt certificate renewals across many domains. Led to challenges.addr.tools. Now, with some strategic CNAMEs in place, automatic DNS-01 challenges are as simple as providing a curl command to certbot, no plugins, accounts, or API keys necessary. I know there are similar services to this. Many of … Read More “A simple way to automate Let’s Encrypt (or any ACME) DNS challenges” »
Hi, I am running a cloud that is exposed to the internet so I can use it away from home. I have assigned a hostname to it, however, when I am actually on my home network, I would like the hostname to resolve to the local IP of the cloud. The reason I want to … Read More “Dumb question about hostnames” »
Does this look correct for the initial record making on an internal dns?? I’m questioning the MX part because it points to gmail for the primary domain $TTL 86400 @ IN SOA dns.primary.domain primary.domain. ( # any numerical values are OK for serial number but # recommendation is [YYYYMMDDnn] (update date + number) 2022111801 … Read More “Manual DNS Noob here” »
I am facing a rather frustrating issue. For the sake of keeping this post simple, I have two domains. One is the TLD and the other is a subdomain. Delegation has been configured on the TLD. Clients can query each other and can also query the DNS servers at the TLD. I then enabled DNSSEC … Read More “Frustrating Issue – DNSSEC on Subdomains” »
submitted by /u/pvscvl [link] [comments] Powered by WPeMatico
Probably a silly question here, but it’s something I can’t quite wrap my head around and have not been able to find an answer to on my own. When I change the NS records for a domain in the registrar to point to a third party (Cloudflare or DigitalOcean, for example), I am able … Read More “Third-party Name Server Question” »
submitted by /u/Rice12Cake [link] [comments] Powered by WPeMatico
I have a domain currently sitting on DomainPeople that I want to move over to Prokbun without any disruptions in services. These are the current records on DomainPeople: CNAME, A, MX, NS, SRV, SPF. TXT How can I do this without causing any downtime, is that even possible?? submitted by /u/Tom-W-Davis [link] [comments] Powered by … Read More “Trying to Transfer from DomainPeople to Porkbun” »