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Questions tagged [dns]

The Domain Name System (DNS) is a hierarchical naming system built on a distributed database for computers, services, or any resource connected to the Internet or a private network.

0 votes
1 answer
20 views

talos linux k8s DNS issue

We are using talos linux to set up k8s clusters in VMware. It's working fine on one cluster on a vmware host but on another everything works except DNS INSIDE pods/containers. I've enabled DNS on all ...
Serve Laurijssen's user avatar
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0 answers
27 views

How to preserve custom changes in Core DNS(Kube-DNS) in OKE(Oracle Cloud Kubernetes)?

I have created an Enhanced Cluster of Kubernetes(OKE) in Oracle Cloud (OCI). In the cluster I am required to do some communication from pods to some VM instances outside OKE but in the same VCN subnet ...
Sahil Aggarwal's user avatar
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0 answers
11 views

Contact Service DNS from another subnet of Kubernetes Cluster

I have a Kubernetes Cluster with its VNet and in the Kubernetes Cluster VNet I have two (or more) subnets: aks-subnet with 10.224.0.0/16 where PODs are taking their IPs (default / created with ...
Stavros Koureas's user avatar
0 votes
1 answer
61 views

How to not create wildcard records using External-DNS?

I am now setting up External DNS to automate the DNS records creation on AWS Route53 for EKS Ingresses. I now have a working setup that can create and delete records depends on ingress existence. ...
Tony Chan's user avatar
1 vote
1 answer
63 views

How can I free up the Azure default domain name for use in another web app?

TL;DR: Is there any way to delete the default domain for an Azure web app? I want to reuse the domain name with a different app. I need to take over the administration and start paying the bills for ...
Rolf Staflin's user avatar
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0 answers
258 views

Cannot solve specific dns record on kubernetes (coredns / nodelocaldns)

I hit a weird problem with coredns/nodelocaldns, basically I can't resolve a specific dns record for a domain. The record is www.digicert.com , it answers correctly tho if I dig with +tcp or use ...
Luca De Rugeriis's user avatar
0 votes
1 answer
159 views

How frequently is AWS Route 53 DNS Latency-Based Routing (LBR) recalculated for a given user?

Does anybody know how frequently one could expect Route 53's latency-based routing data to change for a given user? For example, if I have Route 53 LBR setup with CloudFront sitting in front of 2 ...
Michael Oryl's user avatar
0 votes
2 answers
481 views

dev/stage/prod in separate AWS accounts, managed via terraform cloud workspaces, how can I use lb ip in DNS records for each env?

We currently have 4 aws accounts: root - consolidated billing, domain purchased via route 53 development staging production And they're all managed via terraform cloud as separate workspaces. in dev/...
SebastianG's user avatar
0 votes
1 answer
3k views

Newly installed k3s cluster on fresh OS install can not resolve external domains or connect to external resources?

I'm following the k3s tutorial for troubleshooting DNS, after step 2 "Add KUBECONFIG for user.", if run this command, kubectl run -it --rm --restart=Never busybox --image=busybox:1.28 -- ...
Evan Carroll's user avatar
  • 2,251
0 votes
1 answer
339 views

Server-side Gitlab URL rewriting?

Our old BitBucket server had a URL like this, https://bitbucket.acme.net/scm/acmegroup/acme-project.git And, we're wanting to move to GitLab with a DNS switch which has a different URL-convention ...
Evan Carroll's user avatar
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2 votes
1 answer
117 views

Apex domain to point to an Openshift ROSA application

We have a ROSA (Openshift on AWS) cluster, working fine with all kinds of domains except one, which happens to be an apex of the Hosting Zone in our Route53. So, say, the domain is example.com and it'...
ptrk's user avatar
  • 151
1 vote
1 answer
81 views

How can I find out what ml2 extension drivers are enabled?

According to this document on "The Networking service internal DNS resolution", a feature I need requires the dns extension driver in OpenStack, [ml2] extension_drivers = port_security,dns ...
Evan Carroll's user avatar
  • 2,251
0 votes
1 answer
290 views

How do you enable the DNS extension to ml2 in OpenStack?

In one doc it says, To enable the internal DNS resolution, the neutron-server service must be configured with the dns_domain config option set to a value other than openstacklocal in neutron.conf ...
Evan Carroll's user avatar
  • 2,251
0 votes
1 answer
612 views

Does an FQDN on OpenStack mean there must be a resolver for it?

When I look at different resources on OpenStack, I see a FQDN's like this, host-10-2-67-96.openstacklocal. host-2620-0-28a4-4140-f816-3eff-fefd-6381.openstacklocal. I see this for ports and for NOVA ...
Evan Carroll's user avatar
  • 2,251
1 vote
1 answer
20 views

How can you map DNS/host names to their IPs at scale?

We're trying to look at a fairly large httpd config and find the all the IPs/ports we'd have to allow through a new firewall. Ports are easy, but resolving all the DNS names to the (multiple) IPs they ...
John Humphreys's user avatar

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