Questions tagged [domain-name-system]
The Domain Name System, usually referred to by the acronym DNS, is a hierarchical, distributed database where the keys are domain names. Questions involving publicly accessible domains should include the real, Fully Qualified Domain Name (FQDN)
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ı cant create zone with my powerdnsadmin ı saw http error 400
[2023-08-28 14:35:33,070] [_internal.py:224] INFO - 192.168.220.1 - - [28/Aug/2023 14:35:33] "POST /domain/add HTTP/1.1" 400 -
[2023-08-28 14:35:33,095] [_internal.py:224] INFO - 192.168.220....
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nslookup weird behavior in 2 pods on the same node in kubernetes
I have 2 containers running in the same namespace.
in-pod dns of the pod xwing does not resolving host name but will resolve FQDN
but in-pod dns of the pod utils resolve it properly.
✗ kgpo
NAME ...
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Wildcard A record overwriting specific A record for subdomain
We have the following DNS records:
www CNAME (ALIAS) webclusters.clubessential.com
@ A 104.18.129.113
@ A 104.18.130.113
* A 104.18.129.113
somesubdomain.ourdomain.com A 34.174.158.48
The wildcard A ...
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Adding MX record
I would want to achieve the following: I have acquired a domain name, and I would like to add a website and a mail server for this domain. I have: 1 Domain name, 1 private Ubuntu server with IP, 1 ...
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subprocress fault ı cant start powerdns-admin
× Getting requirements to build wheel did not run successfully.
│ exit code: 1
╰─> [35 lines of output]
/tmp/pip-build-env-tc6mapwc/overlay/lib/python3.10/site-packages/setuptools/config/...
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How Do I Make DNS Requests to An Internal DNS Server for Site That Was Previously Hosted On Prem Route To A Site Off-Prem With A Diff URL?
This is embarrassing, but I'm hoping the hive can point me somewhere on this one.
I've got a domain that until recently pointed to an internally hosted site. Almost immediately prior to my taking over ...
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Create static endpoint to point to externally hosted resources
We use a product that provides us an endpoint for javascript resources and an API endpoint. This URL is then provided to teams internally to interface with the API.
We run into issues where the ...
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unbound DNS without recursive
I want to configure the unbound DNS for the domain e.g. domain.com in a way that it only answers for *.domain.com and rest of any query like gmail.com or hotmail.com are refused.
I have following ...
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How to correctly split a DKIM txt dns entry?
many questions here on spliting DKIM txt records, but my dns provider only allows 255 chars for each key. no fancy way to enter multiple values like the other platforms mentioned all the other ...
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Windows DNS Server Not Resolving abs.twimg.com (Twitter)
I'm having trouble resolving abs.twimg.com. For this reason, twitter.com cannot be accessed. Sometimes images just don't come.
I am using Windows DNS Server with Root Hints and DNS server does not go ...
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What is the difference between a query for a TXT record and a query for a TXT record against a particular name server?
For the purpose of implementing an email server, I want to be able to look up a domain's DKIM record.
What is the difference between these two sets of DNS queries? Which should I choose to implement ...
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Do spaces in DKIM records matter?
I'm trying to get BIND show my DKIM exactly like it was generated but it seems like the " sign is messing up the results for dig.
If I don't insert the public key within "" then dig ...
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How to set up a ptr record to allow my ip for sending email?
I'm trying to set up a raspberrypi 4 as a mail server.
Since I own a domain name using a provider (gandi.net), I use this domain name for my mail server (with mx records, redirection to the raspberry, ...
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Active Directory Win2k19 DNS record refused
I am migrating a Samba domain to AD on Windows 2k19. The domain successfully replicated, and I transferred 5 of the 7 Samba FSMOs (there are 2 additional FSMOs that Samba claimed that Active ...
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Named server cannot be started
Good day, I am trying to follow this DNS server setup tutorial
Here's what I was hoping to setup
win10 | 192.168.1.247
ns1 | 192.168.1.203
mint | 192.168.1.183
domain: nyc3.example.com
my named-...
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Apparent DNS failure on domain server running Small Business Server 2011
I am a volunteer who provides IT support to a community radio station. I have only been with the station a short time, so I'm still trying to get my head around the hardware and the systems they are ...
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Will changing my DNS A record have an impact on my emails?
I have a domain name with godaddy, which also provides email via a Microsoft Business 365 plan. My website is hosted on Wix.com. The domain name points to my website via pointing meaning that I did ...
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Why is my DNS not propagating?
Around a month ago, in anticipation of the demise of Google Domains, I migrated to porkbun.
The moment I did this, Google rug-pulled me and deleted all records of my domain from their side despite my ...
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Exposing OpenShift Services to External Domain Using Ingress Controller
I have an OpenShift cluster set up with the default Ingress controller for an internal domain, let's say app.internal.com. I need to expose specific services to the internet and access them via ...
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How to alias a URL path to another URL path (apache2)?
I've tried everything. Alias, ProxyPass, different config files (sites-available/000-default.conf, mods-enabled/alias.conf). My issue is simple. I have an apache2 server hosted at xyz.com/name/. I'd ...
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How to create Origin (@) DNS record in Windows DNS Server
I am running Active Directory, and have a Domain Controller with a DNS server for my internal (acmecorp.acme.com) and external (acme.com) domains.
So, my machine names are things like workstation1....
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If I change my router's IP address, why do all client devices assume it's at 192.168.1.1? [closed]
I've decided to set my router at some non "1.1" IP address.
I have even created a QR code for connecting to the Wi-Fi.
The problem is, it looks most devices assume that if the DNS address is ...
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OpenVPN headless on Debian 11.7 IP does not change
I have a ProtonVPN paid account.
I want to use it on my VPS server (so in headless), to change my ip.
Their client does not work in headless mode, so I use OpenVPN.
I download the Linux config file on ...
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140
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Windows ping chooses IPv4 address
When I run ping myserver I can see two DNS queries in Wireshark, one for A and one for AAAA. Both get answered with the IPv4 and IPv6 address respectively and ping starts pinging the IPv4 address. If ...
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Handmade DNS root NS query fails to 1.1.1.1 but succeeds to 8.8.8.8
For educational purposes I'm sending handmade packets to query root NS using python. The expectation is to get similar results as dig NS . @1.1.1.1.
The following is relevant only to NS . as any other ...
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201
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haproxy on pfsense fw to guac
I am having some issues with setting up a publicly accessible guacamole server thru my pfsense, which is running haproxy.
Internet > pfsense
\ haproxy > guac
I have my domain DNS thru ...
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How to default to TLS1.3 for all dns traffic to and from Windows 11 box?
I was browsing Wireshark output and noticed that the handshake process for talking to Google DNS servers was asking for TLS1.2 vs the supported default TLS1.3 at 2001:4860:4860::8844.(https://...
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IPv6 AAAA record not resolving for sub domain
Hi have one domain lets say example.in, i have been using one of its subdomain for my application purpose xyz.example.in, i have following NS record for main domain and sub domain :
example.in NS ...
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How can I dump an AWS Route53 zone in a BIND-compatible format?
I have a zone in Route53 that I need in a BIND-compatible format.
How can I convert it?
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DNS Server returning only name, no IP
I am having DNS server service running on Windows 2016 Server Primary Domain controller. I have an additional domain smtw.in configured:
The PDC is the primary server for the domain.
I have a host ...
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Change mail from header in sendmail
We have two separate RTs (request trackers) configured on one server. They both are configured to send the emails through sendmail.
We are trying to configure now SPF and DMARC records for these DNS ...
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importing domain from AWS Route S3 to Linode
I want to import a domain registered in AWS:
in the Guides: https://www.linode.com/docs/products/networking/dns-manager/guides/incoming-dns-zone-transfers/
Within your external name server, allow ...
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Error DNS over HTTPS Setup "Unable to Find the DNS Parameter"
I am having problems finding a guide that provides what I need to setup DoH on a self-hosted server. In the end, my final error is "Unable to find the DNS parameter" when using POWERDNS ...
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Name server propagation for sub sub domain
I face a problem for adding a DNS record to a sub sub domain ("x.y.example.com").
To explain the architecture further :
"example.com" is my commercial website. NS records are set ...
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277
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Getting "has no address records (A or AAAA)" error when running named-checkzone
I am currently trying to build my own home lab for the first time, and as a newbie it’s been a bit confusing. For the past few days, I have been working on configuring an internal DNS server, and ...
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Multiple servers on only 3 nameservers
I've been googling for days now and I can't seem to find the answer.
I've seen multiple hosting providers with just 3 nameservers (ns1.example.com, ns2.example.com, ns3.example.com) and they have ...
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Bad address translation in Kubernetes UDP service by kube-proxy with iptables
For educational purposes, I made myself a Kubernetes cluster according to Kubernetes the Hard Way guide - except I did it on my own set of local VMs rather than using Google Cloud.
Everything seemed ...
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underscore in certbot's TXT record
Certbot is a free and open-source utility mainly used for managing SSL/TLS certificates from the Let’s Encrypt certificate authority. When using Certbot to obtain a certificate through the DNS-01 ...
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DNS config for roaming DC client laptop
We have a small office with one primary DC(192.168.1.6), one secondary DC(192.168.1.7) and 5 desktops connects thru LAN and two laptops thru Wifi. Both the DC's are local and can't be reached from the ...
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Find LAN's IPv6 multicast address (or else all currently responsive LAN members)?
Hi
Is there a way to see which devices (IP numbers) are active on the LAN over IPv6? With IPv4 I'd ping the broadcast address, which is usually not hard to determine.
With IPv6 I understand there are ...
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DNS Proxy/cache that query multiple DNS, ignore NXDOMAIN
The question is as follow: how can I set up a DNS proxy/cache that queries in a strict order a series of DNS servers (of which some might be unavailable), and that does not stop on the first NXDOMAIN ...
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Gmail adds multiple SPF records
When I connected my domain to gmail, it added two records to my DNS:
TXT
@
v=spf1 include:dc-aa8e722993._spfm.mydomainhere.com ~all
TXT
dc-aa8e722993._spfm
v=spf1 include:_spf.google.com ~all
But ...
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Hosting subdomains on external Windows Server - Need advice on how to proceed
Would appreciate it if someone can direct me to the right approach to do further research and set up a secondary server hosting subdomains.
I've got a couple of dedicated servers, all Linux, and a ...
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Bind9 how to use RPZ zone for specific subnets
I already have 1 master(192.168.130.32) 4 slaves(192.168.130.35) and 2 authoritative(192.168.130.33) servers with bind9.
My point is to get RPZ(192.168.130.37) from external DNS servers, but I want to ...
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What happens to a user's browser cache when the website's IP address changes?
When a website's nameserver is set to point to a new IP address, do the cached html pages and images in the user's browser invalidate and get re-fetched?
Consider this case:
The nameserver's A record'...
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139
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Is my traffic to my Synology leaving my network?
I have a Synology DS723+. I currently have it port forwarded and set up using the Synology dynamic DNS service. It works great, I can access it from outside my network with no problem. However, I ...
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Bind Recursion DNS Server Returning Wildcard Address for Host Despite Exact Entry Existing in Zonefile on Hosts DNS Server
I setup a bind server (version BIND 9.18.16-1+ubuntu20.04.1+isc+1-Ubuntu on Ubuntu 20.04), and this particular instance is setup as a recursion resolver with no forwarders. When I dig one of my ...
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Internal network drops connection to our own locally hosted web server on a disjointed network
In time I have my internal network drops all connections to my locally hosted website. After rebooting the web server all internal connections to the website works again, but it is only a matter of ...
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Firewall failover internal ip
I have multiple servers at my data center and i want to switch to pfsense, but i don't know if it can automatically fall over to the second server that is a mirror from the first server.
So if the ...
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169
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DNS Zone File returns Error about my A records. Bind9 Ubuntu 22.04
I am trying to setup a guest ubuntu 22.04 DNS/DHCP server on a ProxMox Host. My error message when running
I have my domain registered via cloudfare ("Not shown in the file", and the domain ...
