Information about DNS and network
Using local host file to test some endpoints with private IP addresses. I know DIG and NSlookup don’t respect /etc/hosts changes but if I ping my.endpoint.azure.com it returns the private IP addresses from the host file. My question is that ping (and the private ip address in the response) “proof” that the machine is resolving … Read More “Confirming DNS resolution to specific IPs on windows with /etc/hosts” »
submitted by /u/stuntpope [link] [comments] Powered by WPeMatico
I have a client who stated he purchased a .CO domain years ago. He stated it was a one time purchase to own the domain in perpetuity. He’s not 100% certain where he purchased the Domain from but is looking around his inboxes to find some information. What’s interesting to me, is when I … Read More “.CO Registration Information Missing” »
I’m trying to verify MailChimp with my domain which is hosted at Go Daddy. I followed the steps MailChimp provided which includes name and values. Go Daddy says the DNS is updated and should be available within 48 hours but testing in MailChimp still fails. MC has provided domains that include a sub domain value … Read More “CNAME for MailChimp” »
When I buy a domain say through Google and I want to host with another web host I change the nameservers on the registrar to the new host. Then I go on the new host and setup the DNS details but my question is, how does that host verify that I own that domain? I … Read More “How does a name server verify ownership of a domain?” »
Hello I have multiple VMs on my network and I would like to be able to access them externally. However each VM has its own apps, docker, services etc. and I would like for example, to use ‘cloud.vm1.pve.example.com’ and I also need to create more sub domains inside the VM. Like someapp.vm1.pve.example.com All VMS are … Read More “Which app should I use to handle sub domains in Linux?” »
Hello. I’ve been using no-ip.com as my DNS provider for years now. A webhosting service, Carrd, just notified users that they are retiring their current DNS setup in March, and that they require users to update their DNS settings. (Yeah, makes sense.) Anyway, currently they only require us to use one or two A records, … Read More “Help with adding CNAME records via TXT” »
My client’s DNS appears to have two SPF records currently: (anonymized) Type Name Data TTL TXT @ v=spf1 include:dc-abc123._spfm.domain.com ~all 1 hour TXT dc-abc123._spfm v=spf1 include:_spf.google.com ~all 1 hour When I run the domain through MX Toolbox SPF checker only row 1 is returned as a pass (https://mxtoolbox.com/spf.aspx). The SPF record I need to add … Read More “Question about multiple SPF records and adding an additional SPF include” »
Why not just 1 entry like most of the other records? submitted by /u/ada-boese [link] [comments] Powered by WPeMatico
I have never set up a dns server before, and I’m not sure I need to set one up to accomplish my goal. My goal is to actively deny/allow ip addresses access to my dns server, or to a dns server. For example, Ip address abc wants to access www.example.com. I need to check a … Read More “**NOOB** I want to set up rules for IP addresses that can access a dns server. Where do I begin?” »