Questions tagged [dns-server]
The dns-server tag has no usage guidance.
126
questions
36
votes
4
answers
261k
views
How to push my own DNS server to OpenVPN?
I have defined an unbound DNS server on my VPS and it appears to work. I need to use the DNS server instead of public DNS servers because some ISPs have blocked public DNS IPs. My openvpn.conf file is:...
25
votes
3
answers
48k
views
How to configure email autoconfiguration for a domain?
Outlook and a number of other email clients now feature autodiscovery of mail server settings and it bugs me that I don't have this set up for our domains, but I'm not sure how to do it and a quick ...
25
votes
2
answers
6k
views
How is a single IP address load balanced?
I'm aware of "round robin DNS" load balancing, but how can a single IP address be load balanced?
Google's DNS servers for example, 8.8.8.8 and 8.8.4.4. Wikipedia's load balancing article states:
...
15
votes
15
answers
7k
views
Will SRV records ever become useful?
In DNS an SRV record really is a pretty generic form of telling a remote client where a specific service is hosted. At this moment I use it for allowing people to call me using a SIP client over the ...
12
votes
5
answers
51k
views
Openvpn client, force DNS server
Our Linux Ubuntu configuration does have a DNS server (Bind 9).
And resolv.conf has its
nameserver 127.0.0.1
When using openvpn client on that Linux, the nameserver is not changed (by the VPN ...
11
votes
2
answers
2k
views
Why send authoritative nameserver in DNS?
Out of curiosity, I'm checking the Wireshark DNS packets. I can see that there's a DNS query from the host, and then DNS response from the DNS server. Everything is just as expected.
However, if you ...
9
votes
2
answers
2k
views
Small issue with the Domain Name System (DNS) Server Cmdlets
I'm wondering if I need to clear some cache or something with the issue I'm having.
I'm trying to remove A records from a DNS Zone and replacing them with a CName record that has the same host name.
...
8
votes
5
answers
12k
views
Can I have my DNS server and my web server on the same IP? [closed]
I just bought a raspberry pi and made it a web server. I have a network with 1 IP. I created a DMZ and I am able to access my raspberry pi web server from the internet. I bought a domain that I intend ...
8
votes
1
answer
31k
views
Windows DNS Server register a non **DHCP** client (server) into 2008R2
We have Linux boxes with static IP, some using Centos and other Debian, using IP ranges reserved for development and testing.
We need this boxes to 'publish' their DNS into DNS Server 2008R2, ...
6
votes
2
answers
15k
views
The DNS server machine currently has no DNS domain name
I found the following message inside the DNS Server Event logs.
What I should do has been explained inside the message but not sure what exactly it means.
Log Name: DNS Server
Source: ...
5
votes
2
answers
19k
views
bind9 configure forward zone for local domain without DNSSEC for this zone only
I have a working DNS server for local domain mydomain.local. I am trying to configure bind9 to work in default configuration, except for this zone, for which I want to forward queries to local DNS ...
5
votes
1
answer
110
views
Windows 2012 DNS server phase out
I've got a network with 3 AD servers that also run the DNS service.
We've got a project on to migrate from Windows DNS to a new turnkey DDI solution.
I'm going through everything I can think of ...
4
votes
4
answers
43k
views
Can I create a DC without a DNS Server?
So as the title says, I need to promote a standalone Win2008R2 server to a Domain Controller, and I don't a DNS Server (I think), as there will be no clients connected to the domain, it will be only ...
4
votes
1
answer
1k
views
Best way to implement secondary DNS server with BIND
I have one DNS server that installed on centOS and based on BIND DNS server.
What i want to do is to make a secondary DNS server that will replicate with the master server and will hold all my zones ...
4
votes
2
answers
16k
views
Setting up authorative DNS nameserver with PfSense?
I am trying to run point a domain at my pfsense server and have it run a DNS server which is authorative. So I installed TinyDNS.
Ok, so I setup a rule in pf. The rule is TCP/UDP. Source interface is ...
3
votes
1
answer
866
views
DNS server with scripting [closed]
I would like to know if there's any way of having a DNS server on Linux that runs a script and reply a different IP list depending on the script data returned.
I've searched Google for 'DNS server ...
3
votes
2
answers
3k
views
Redirect XMPP with DNS
Is it possible to redirect XMPP using DNS records?
I have a domain hosted on a shared host that does not have Jabber support. If possible, I'd like to still have XMPP on this domain, but have it ...
3
votes
6
answers
15k
views
How to repopulate DNS from Active Directory?
In some point of time (I don't know when...) the DNS on a Windows 2003 Server gets populated with all computers on Active Directory.
There is any way to repopulate it again? For instance, when ...
3
votes
1
answer
2k
views
BIND Zone Transfer with two views
I have a simple lab/testing Master/Slave configuration (showed below) and I would like to transfer both views to the slave.
Unfortunately after the zone transfer both views in slave have records from ...
3
votes
1
answer
139
views
Simple standalone Windows 2019 Server - DNS Manager shows 2 DNS servers, is this normal?
recently set up a Windows 2019 Essentials machine, standalone server, simple local area network with a handful of Win10 workstations
The server is the Domain Controller and runs Active Directory
Now, ...
3
votes
0
answers
9k
views
Centos bind DNS server configuration with ipv6
in order to APPLE , after 1 June all applications must support the ipv6 so i need to reconfigure my ios app. So i create a local network with ipv6. My topology is below. i configured bind 9.8 on ...
3
votes
0
answers
14k
views
NERR_DCNotFound when attempting to join Windows Server 2010 domain using PBIS
I have a RHEL 6.3 Amazon Web Service instance I'm trying to join to a Windows Server 2012 AD domain through PowerBroker Identity Services Open (ie: not enterprise).
The Server 2012 instance is in the ...
2
votes
2
answers
217
views
Where can I find a really good guide for BIND9?
Hey there, I have installed a BIND9 server on my Linux server. But I was struggling to get it working as I searched for various websites to explain the different settings for BIND.
Does anyone know ...
2
votes
4
answers
5k
views
Localhost or real hostname (real IP)
Lets suppose that I need to send data from one services to other on the same host. For this I can use localhost:port or real.domain.name:port (lets think that it cached or can be resolved by local dns)...
2
votes
2
answers
6k
views
Keep the same IP and host name for new domain controller as crashed one
Because of some disaster I have lost my primary domain controller and thanks god that I had secondary domain controller so I could provide the service to the computer and save my data.
After that I ...
2
votes
3
answers
19k
views
Can't Remote Desktop To Windows Server 2012 R2
I have just demoted our Windows Server 2012 Domain Controller. Removed all services, and then did a fresh install of Windows Server 2012 R2. I gave the server the same IP address and host name that it ...
2
votes
1
answer
504
views
Nameserver record keeps getting added to DNS zone in Windows Server DNS
I have a public DNS server running on a Windows server with the hostname dc01.
A nameserver for this hostname (dc01) keeps getting added to the DNS zone:
If I try to delete it, then reload the zone ...
2
votes
1
answer
6k
views
BIND session key
When I restart or start my BIND DNS server, I'm getting the following in the /var/log/messages log file.
Jan 26 07:50:30 dev named[306]: could not create /jail/bind-9.9.4-P2/var/run/named/session.key
...
2
votes
0
answers
1k
views
DNS: Zone TrustAnchors secondary servers must respond to queries for the zone
I'm trying to clear out every last error (and hopefully warnings as well) mentioned by BPA (Best Practices Analyzer) about my DNS server on Windows Server 2019 server.
Currently I have 1 error left:
...
2
votes
0
answers
192
views
DNS doesn't resolve some domains on huge amount of requests
I need to check 200kk (200,000,000) domains for availability and CMS information.
I'm using php 7.1 and simulating multi-thread check.
Hardware and config
The server hardware: Multicore CPU, 64GB ...
2
votes
0
answers
1k
views
Initializing windows server 2019 for hosting multiple website multiple domain names and single IP
I want to set up a virtual machine to host windows server 2019 to host multiple websites in IIS 10. Each website can be reached with a domain name for example:
www.website1.com
www.website2.com
...
2
votes
2
answers
2k
views
Static IP but DNS server from DHCP (Can't use a reservation)
I need to assign the DNS servers to a Virtual Machine via DHCP, but I want the machine to have a static IP address.
I cannot use a reservation and go through the usual DHCP process because the VM gets ...
1
vote
3
answers
2k
views
Order of external DNS servers on Router OS DNS Server
We have DNS server on our Mikrotik (RouterOS 6.36).
[admin@xxx] /ip dns> print
servers: 10.0.10.3,8.8.8.8
dynamic-servers:
allow-remote-requests: yes
max-udp-packet-...
1
vote
2
answers
78k
views
unable to start the bind dns service in linux
observed following errors when try to start the dns service in virtual linux pc
[root@mininat ~]# service named status
Redirecting to /bin/systemctl status named.service
named.service - Berkeley ...
1
vote
1
answer
2k
views
Host does not support SRV records, what are my options?
I need to use SRV records for multiple game servers that uses different ports in one machine. I read about SRV Records and it seems like it's what I need.
I asked the website host I am using and they ...
1
vote
3
answers
1k
views
Creating new TLDs (top level domains)?
This is gonna sound too weird 'cause my basics arent set right... I did read the wikipedia entries, but would appreciate if someone could help my understanind abit...
What really prevents me from ...
1
vote
2
answers
1k
views
How do nameservers "failover"?
How do nameservers do failover? What decides the order in which nameservers are queried when the primary nameserver is not reachable?
To illustrate, here's part of my zonefile:
$TTL 3m;
site.com. ...
1
vote
3
answers
3k
views
How does a router with DHCP and a custom DNS set deal with client DNS settings?
I have a custom DNS server in my network that I want all clients to use (it has ad-filters etc, similar to PiHole).
I have set my router (LinkSys Velop) to use this DNS server. However, on the DNS ...
1
vote
1
answer
514
views
Google Cloud A record issue with setting up CWP web panel [closed]
I have a VM deployed at google cloud.
Here is the google cloud setup.
grant-fullen.com. A 300 35.231.125.190
grant-fullen.com. NS 21600
ns-cloud-d1.googledomains.com.
ns-cloud-d2....
1
vote
1
answer
923
views
Is it possible for a Windows server to have 2 (or possibly more) network names (or aliases)?
I have a temporary need to consolidate 2 currently separate servers onto a single machine. I am considering using VMs, but it would be far less work if I could just have 2 different server names point ...
1
vote
1
answer
285
views
Local dns server acts unreliably
In our local subnetwork we have a domain server. It's a Windows Server 2008 R2.
It was configured by following this guide I think.
My main domain is wm.local. My server is domainserver.wm.local. My ...
1
vote
2
answers
2k
views
What happens to DNS cache server when the zone DNS server fails?
I have DNS server running which caches for records from a main DNS server.
What would happen when the main DNS server is down? Will the cache DNS server still serve the records it has or will all the ...
1
vote
1
answer
3k
views
How to set up a "public" DNS server on linux server?
I need to set up a DNS server to be used with OpenVPN. I can not use conventional public DNS IPs (Like Google public DNS ones) because all of them are blocked in the ISPs where the OpenVPN clients are ...
1
vote
1
answer
1k
views
Process to migrate DNS and DHCP from on-premise, Windows domain controller
Our organization has an on-premise, Windows, domain controller that we'd like eliminate in favor of a local DHCP/DNS server on either our Unify switch (first choice) or FortiGate VPN appliance (second ...
1
vote
1
answer
8k
views
Missing SRV record at DNS server
Server 2008R2. 2003 functional level.
One of my branch DCs, which we will call BranchDC1, is not registering SRV records in example.com/_msdcs/gc/_sites/_tcp.
The DC is marked as a Global Catalog in ...
1
vote
1
answer
2k
views
DNS architecture sanity check
I'm designing DNS service for a network and had a few architecture questions. The O'Reilly/ Cricket Liu DNS book and the NIST DNS security guide don't address these questions except in a very general ...
1
vote
1
answer
1k
views
PowerDNS does not resolve TXT records
My PowerDNS DNS server 3.3 does not resolve TXT records.
Database looks like this:
PowerDNS database
When I try to dig my server for TXT entry they are not being shown:
[root@nowosci powerdns]# ...
1
vote
1
answer
394
views
Resolving DNS name queries to local computer - Authoritative Parent Zone not found
I'm trying to set up Remote Desktop Host Server in Windows Server 2012.
When I am configuring the domain controller I get the following warning:
I'm reading through microsoft documentation of this ...
1
vote
2
answers
2k
views
DNS Server (2008 r2) MMC The server DC01 could not be contacted. The error was: Access was denied
I've just migrated the AD with the whole nine yards, FSMO, PDC, RID, Schema, etc, from an SBS 2003 to a Win 2008 R2 Std. I have managed to have no error in the dcdiag before I demoted the SBS 2003 ...
1
vote
0
answers
269
views
Manage DNS server on Server 2019 from Server 2012
I have a non-AD Windows Server 2012 machine (192.168.200.10) that has the DNS Server role installed, and it is the primary server for a number of zones. Unfortunately, I'm stuck with this server being ...