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Questions tagged [dynamic-dns]

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10
votes
3answers
2k views

IPA dynamic DNS updates only the AAAA record. Where are my A records?

I'm setting up a FreeIPA domain. In my lab are three virtual machines: the domain controller ipadc1, and two clients puppet and wordpress (creative, yes, I know). All three VMs are running freshly ...
8
votes
2answers
9k views

Updates to a BIND dynamic zone that is shared between views delayed

Here's the quick and dirty: On BIND9 with a dynamic zone that's shared between views, doing a nsupdate, updating/creating/deleting a record will work fine if I query for that record from a client ...
6
votes
5answers
22k views

How to setup a simple self-hosted dynamic DNS server

I have a small internal network of physical machines running hypervisors, which in turn run several KVM Ubuntu virtual machines. How would I setup an internal dynamic DNS server so that when I run a ...
6
votes
6answers
18k views

Godaddy hosting with dynamic ip?

I bought a domain name on godaddy.com let's call it www.website.com, but my server has a dynamic ip, how do I resolve this issue? What I've tried: get a dns account at dyndns.com let's call it dns....
5
votes
4answers
15k views

setting up bind to work with nsupdate (SERVFAIL)

I'm trying to update my DNS-Server dynamically using nsupdate. Prerequisite I'm using Debian 6 on my DNS-Server and Debian 4 on my client. I created a public/private key pair using: dnssec-keygen -...
5
votes
4answers
1k views

Dynamic DNS for Shared Hosting - Does it exist?

It seems that certain home router firmware is designed to work with Dynamic DNS services (e.g. noip & dyndns) to serve a subdomain from a server behind a consumer ISP. On a similar note, are there ...
5
votes
4answers
3k views

ISC DHCP+BIND with failover and dynamic updates, can the secondary bind update DDNS?

I'm setting up a failover system for DHCP and DDNS. The software being used are ISC BIND and ISC DHCP, running on Ubuntu 10.04 LTS. serverA runs DNS01 and DHCP01, serverB runs DNS02 and DHCP02. DHCP ...
4
votes
2answers
5k views

How Active Directory Dynamic DNS updates works behind the scenes?

I've looked through the AD documentation and I was not able to find any conclusive answer to this question. It's plain simple, but hard enough to be answered. How DDNS of AD works behind the scenes? ...
4
votes
3answers
8k views

ddclient to update namecheap subdomain?

I have a subdomain that I want to update with ddclient. I configured the ddclient to get the IP from dyndns but it's not updating the subdomain on namecheap. They said to use yourdomain.com as the ...
4
votes
1answer
975 views

Forwarding requests made to Windows DNS server for a domain it's authoritative for but doesn't have a record matching the request, onto BIND?

Is it possible on a Windows DNS server to have it forward/proxy requests for a domain it's authoritative for but doesn't have a record matching the request.. onto another server like a BIND server ? ...
4
votes
2answers
988 views

How to fully disable Dynamic DNS on Windows Server?

so we're a University campus, and in DNS Manager, all the students phones, tables, etc, are registering their A records in DNS. We don't want them to. Ideally, we'd just have domain joined devices ...
3
votes
4answers
14k views

How to set an IP address in server_name directive, not a domain name?

For some reason NGINX doesn't work if I set a bare IP address in server_name directive: server { listen 80; server_name xx.xx.xxx.xx; # doesn't work server { listen 80; server_name ...
3
votes
1answer
1k views

Windows Server 2008 - Zone Scavenging - “This zone can be scavenged after”

I have set up DNS scavenging on our Windows Server 08 R2 boxes as we had records in there that were duplicated and some dating back to 2004! I set the no-refresh and refresh-after intervals both to 3 ...
3
votes
2answers
7k views

Windows Azure Virtual Machine with GoDaddy Custom Domains

I asked this question (on SO by accident): I am having problems setting up a custom domain (purchased on GoDaddy.com) with an Azure virtual machine (on which I plan on running multiple websites.) I'...
3
votes
2answers
10k views

Understanding ipsec with NAT and dynamic IP's

I'm using OpenSWAN to set up a net-to-net VPN tunnel. I have succeeded in configuring a test scenario as follows: About test and test2: they are Ubuntu 12.04 virtual machines created using ubuntu-vm-...
3
votes
1answer
135 views

Named dynamic update simulation

I'd like to manually change some entries in a Bind server via the dynamic update. I couldn't find any specific tool to do that however. Is there any cli application where I can specify the record to ...
3
votes
1answer
227 views

Dynamic DNS service for low qps but high deployment count

I deploy cellular modems that currently have sims with static ip addresses. For various reasons, we may move to providing sims without static ips. The cellular modem supports DDNS (bluetree modem). ...
3
votes
2answers
1k views

Non-secure DNS server - Allow dynamic updates only from DHCP server

I have a standalone DNS server configured for "Secure and Non-Secure" dynamic updates. I also have the DHCP role installed on the same server. How do I ensure that only the DHCP server can update ...
3
votes
1answer
7k views

Disabling dynamic DNS updates with Group Policy

I am administering a system which for reasons beyond my control have a disjoint DNS namespace. I don't like it, but that's how it is, and I have no way of changing this. The reason is that the servers ...
3
votes
1answer
2k views

Opensource alternative of DynDNS? [closed]

In the network where I work we have frequent situations where people setup a virtual to try something new out and want to tell others (within the same network) about their experiments. For this kind ...
2
votes
1answer
2k views

Google Dynamic DNS Wildcard Subdomains

I can't get Google's Dynamic DNS API to work for a wildcard domain. I can get defined subdomains to update their IP just fine but I always get nohost when i attempt to update the wildcard's IP. This ...
2
votes
3answers
1k views

Getting a constant DNS for my EC2 instance

I have an EC2 instance. Every time I stop and start it, Amazon gives it a new IP and a new DNS. This is annoying because then I have to reconfigure a bunch of software on my local computer to ...
2
votes
1answer
5k views

Whitelist rule for reject_rbl_client in Postfix?

Is there a way to add an exclusion/whitelist rule (or similar), which would work against reject_rbl_client behavior? I have a postfix service running, with following client restrictions: ...
2
votes
2answers
1k views

Does Dynamic DNS require separate subdomains?

I have a functioning DHCP/DNS (ISC Bind 9.6, DHCP 3.1.1) server running on Debian that I would like to add DynamicDNS functionality to. I have a pretty simple question: Does DynamicDNS require (or ...
2
votes
1answer
633 views

Dynamic DNS - Windows Server trying to update unwanted A records to BIND zone master

I have a Windows Server 2008R2 Active Directory and Exchange 2010 server (client access, hub transport and mailbox roles) in a primarily Linux server environment. A Linux server running BIND9 is ...
2
votes
1answer
154 views

BIND DNS A Record File

I've been adding about 10 DNS A records a week for the past 2 weeks. After updating a record using nsupdate it occurred to me that maybe I should find a way to separate the DNS A records from the ...
2
votes
2answers
9k views

Inconsistent dynamic DNS update behavior

After having upgraded a Windows Server 2003 Active Directory Domain to Server 2008, and upgraded client PCs from Windows XP to Windows 7, I'm seeing inconsistent dynamic DNS update behaviour. Two ...
2
votes
0answers
438 views

Windows DNS clients can't update PTR records, but can update A records (not ACLs) [duplicate]

I have clients configured via GPO with the following settings enabled: Dynamic Update Primary DNS Suffix Register DNS records with connection-specific DNS suffix Register PTR Records: Register I ...
2
votes
1answer
1k views

How do I set up a nameserver for my DynDNS address?

I am trying to set up multiple sites under my DynDNS domain. I have a dynamic-ip and the only domain name I have is a free one from dydns, e.g. username.dyndns.org. I only have one server, but I want ...
2
votes
2answers
612 views

Reason for perpetual dynamic DNS updates?

I'm using dynamic DNS (the "adult" version from RFC 2136, not à la DynDNS), and for a while now I've been seeing my laptops with MacOS 10.6.x churning out updates about every 10 seconds. And seemingly ...
2
votes
2answers
19k views

SLES DHCP Dynamic DNS: Unable to add forward map…: not found

I have a SUSE Linux Enterprise Server 11.3 install running on Amazon EC2 based off the official AMI. With DHCP and BIND configured (via yast) I'm having issues with Dynamic DNS. When a client ...
1
vote
4answers
8k views

Resolve Dynamic DNS to internal IP

I am not very familiar with dynamic DNS, and was curious if I could get it to work for a certain use case. I have a few Raspberry Pi's I'm setting up for mocking server setups of applications we use ...
1
vote
2answers
1k views

Why do DNS services propagate so much faster? [closed]

Say I want to point my domain blah.example.com from a server located at IP addres 1.2.3.4, to a different server located at IP address 5.6.7.8. This requires a DNS change. Why is it that when I log ...
1
vote
2answers
6k views

Hostname vs domain name when using dynamic DNS?

I've setup a dynamic DNS service with DynDNS, let's call it: foobar.dyndns.net When I setup a Linux server, what should be my hostname and domain name?? For instance, if I setup Slackware Linux, ...
1
vote
2answers
604 views

Pointing domain to dynamic IP address

I have a site, www.example.com hosted with a company. I have created a subdomain, sub.example.com and would like it to point to a different server. I have the required ports forwarded for server ...
1
vote
1answer
52 views

Using Dynamic DNS for server reboots

Basically, I want all the traffic to go to one server while the other reboots. Here's the environment: Two or more VPS servers. Same datacenter, but no internal ip or lan, and no shared ip. I was ...
1
vote
2answers
193 views

With dynamic DNS, which DNS servers are the registration requests sent to?

When dynamic DNS is configured, I am wondering which DNS servers do the client computers attempt to register their name with. Do they only register with their configured DNS server or does the client ...
1
vote
1answer
93 views

using (windows) PowerShell to perform a dynamic DNS update with TSIG to a BIND9 server

I run BIND9 DNS servers and allow Dynamic DNS updates from my customers by using a TSIG key. One of my customers uses only a Windows environment, and therefore PowerShell to run scripts. He wants to ...
1
vote
1answer
1k views

Digital Ocean and dynamic DNS [closed]

We are migrating production website from AWS to Digital Ocean, and currently our main concern is static IP that DO provides for droplets. In case of droplet failure our static IP address would be ...
1
vote
1answer
2k views

Namecheap + ddclient - 400 Bad Request Error

I just registered a domain on namecheap, and want to self-host through ddns. I have my host setting setup as: @ 127.0.0.1 A (address) www http://domain.com HTTP Redirect So ...
1
vote
2answers
2k views

How to limit dynamic DNS updates

First off, I'm sorry if this is vague, but I'm not very familiar with DNS or DNS terminology. What I'm trying to do: I want to limit what hostnames are allowed to dynamically update DNS. I don't ...
1
vote
1answer
450 views

Configure DNS on sub-domain for testing web site on dynamic IP

I am running a web site on a dedicate server at IP 12.34.56.78. The DNS is configured like so: * A 12.34.56.78 @ A 12.34.56.78 @ MX 10 mail.mydomain.co.uk ...
1
vote
1answer
120 views

Dynamic multiple domains in one project

I searched stackoverflow and google before posting this question. I am developing a PHP/MySQL based dynamic conference website. Where users can register and create their own events for conference. ...
1
vote
2answers
1k views

How to access a ssh server with a dynamic dns service?

Helo, I was asked to sign up a dynamic dns service and give the address to a server administrator. He told me that he added my dynamic dns to the server so that I can ssh to the server, but didn't ...
1
vote
0answers
236 views

DHCP DDNS + Samba AD?

I'm working on moving a small business network away from a Windows Small Business Server. I've set up the active directory using Samba, and it all works well, but I see one potential problem: ...
1
vote
1answer
551 views

Virtual machine - DNS hostname problems on Windows Server

I have a Windows Server 2012 R2 in a local domain with an local DNS server running. My clients are configured to use this DNS server. Today, I had the problem with a client that could not log in due ...
1
vote
3answers
2k views

AD Dynamic DNS Updates not triggering on clients

The problem Recently the computers at our organization moved to a new AD domain, due to a merger. We are having problems getting the clients to dynamically register their DNS records in our AD-...
1
vote
1answer
2k views

How to configure dynamic DNS updates when using stateless IPv6 addressing?

I am using Server 2012 with AD/DNS/DHCP. I have successfully configured stateful DHCPv6 however this does not accomplish what I would like to achieve so I disabled it and I'm currently trying to get ...
1
vote
1answer
1k views

Dynamic Global Hostname and nsupdate do not send update to authoritative nameserver

I'm trying to do DDNS. I have two Apple products: an Airport Extreme and a Macbook Air, and I want to update my DDNS server via the "Dynamic Global Hostname" feature. I setup DDNS in the cloud (BIND),...
1
vote
0answers
905 views

How do I restrict the domain name for reverse DNS updates with bind and nsupdate?

I've set up Bind to allow hosts to update only their own DNS entries, but I'm having trouble with the reverse DNS portion of this. My configuration is as follows: named.conf options { listen-on ...