Questions tagged [dynamic-dns]
The dynamic-dns tag has no usage guidance.
118
questions
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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 ...
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10
votes
5
answers
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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 ...
- 3,620
9
votes
4
answers
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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 -...
- 435
9
votes
2
answers
9k
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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 ...
- 339
8
votes
3
answers
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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
4
answers
27k
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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 ...
- 177
6
votes
3
answers
13k
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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 ...
- 387
6
votes
4
answers
6k
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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 ...
- 19.6k
6
votes
6
answers
22k
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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....
- 159
5
votes
2
answers
25k
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bind: "nsupdate -l" failed with status "update failed: REFUSED"
I just switched to bind 9.9.5 dynamic DNS feature with semi-automatic management of DNSSEC entries, the whole process went good and my zone files were updated well, but now I can't update or add ...
- 468
5
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4
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2k
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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 ...
- 153
5
votes
2
answers
5k
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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 ...
- 83
4
votes
3
answers
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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? ...
- 5,540
4
votes
1
answer
2k
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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 ?
...
- 311
4
votes
2
answers
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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-...
- 797
4
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2
answers
3k
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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 ...
- 546
3
votes
2
answers
10k
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 ...
- 710
3
votes
1
answer
2k
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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 ...
- 659
3
votes
2
answers
2k
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Microsoft DHCP server and Unix BIND dynamic DNS
Is there any way to make Microsoft DHCP server to securely dynamically update A and PTR records in Unix Bind DNS zone?
Microsoft supports secure update using username/password authentication. Bind9 ...
- 341
3
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2
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8k
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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'...
- 315
3
votes
1
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146
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 ...
- 1,296
3
votes
1
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235
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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).
...
- 317
3
votes
0
answers
132
views
What is the practical difference between krb5-self and krb5-subdomain in BIND9 update-policy statement?
What is the practical difference between krb5-self and krb5-subdomain policies in BIND9 on update-policy statement while dealing with dynamic DNS updates on zones?
From the BIND9 documentation it ...
- 5,540
3
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1
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15k
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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 ...
- 2,635
3
votes
1
answer
3k
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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 ...
- 2,196
2
votes
2
answers
4k
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List dynamically added DNS records
I can't figure out how to list dynamically added DNS records. Lets say I add a record like this:
~$ nsupdate
> update add test.domain.com 3600 A 1.2.3.4
> send
After this I can look up the sub ...
- 163
2
votes
1
answer
6k
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:
...
- 273
2
votes
3
answers
2k
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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 ...
- 5,261
2
votes
2
answers
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 ...
user62491
2
votes
1
answer
653
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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 ...
- 105
2
votes
1
answer
463
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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 ...
- 326
2
votes
1
answer
2k
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Dynamic DNS with Bind9 and BIND_DLZ cannot start?
I have a device running Samba as an Active Directory Domain Controller using BIND_DLZ as a backend.
On top of that I am running a secondary device also configured as an Active Directory Domain ...
2
votes
3
answers
6k
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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 ...
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0
answers
650
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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 ...
- 1,860
2
votes
1
answer
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 ...
- 143
2
votes
2
answers
650
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 ...
- 416
2
votes
2
answers
25k
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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 ...
- 39
1
vote
2
answers
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 ...
- 139
1
vote
2
answers
7k
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, ...
- 855
1
vote
2
answers
1k
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 ...
- 2,964
1
vote
1
answer
84
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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 ...
- 209
1
vote
2
answers
280
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 ...
- 9,632
1
vote
1
answer
591
views
Is it possible to have both static and a dynamic A record created for the same host on an internal DNS server?
I am working on a case study related to risks from insecure dynamic DNS updates. Suppose there is an internal DNS configured that has a mix of static and dynamically created addresses. Consider a ...
- 11
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2
answers
5k
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Samba4 and BIND9_DLZ - static records with samba_dnsupdate dynamic dlz
I have some records in bind for my DNS zone.
Now I want to configure Samba4 Active Directory which wants to add some dynamic records into my zone. So I include /var/lib/samba/private/named.conf in my /...
- 327
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vote
1
answer
1k
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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 ...
- 111
1
vote
1
answer
2k
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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
2
answers
2k
views
How can you de-couple DNS server from the AD Domain Controller?
I have an environment where Active Directory Domain Controllers host their own DNS domains (as is common).
However we are trying to separate DNS and host it on a standalone server (to eventually move ...
- 225
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vote
1
answer
587
views
Why does nsupdate fail with "operation canceled"?
I'm trying to dynamically update a DNS server using nsupdate, running nsupdate -k mykey.private -d -v ./my-nsupdate-commands.txt.
But I get the error:
Communication with 192.0.2.0#53 failed: operation ...
- 878
1
vote
1
answer
1k
views
Allow connections to apache from a dynamic IP
When setting up an Apache server, it's obviously possible to allow connections from a specific IP address [/range].
I have a dynamic IP and I'm wondering, if I use a DDNS service, whether it's ...
- 145
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vote
1
answer
694
views
Using static records in dynamic zone with Samba and BIND_DLZ
I've deployed Samba4 as AD controller using BIND_DLZ as a backend. It works ok. Now I have a bunch of servers with static IP's, and I would like to resolve them, but I can't find a way to do this.
So ...
