Questions tagged [dynamic-dns]

Dynamic DNS about asking how to configure Dynamic Domain Name System services

Dynamic is a third party service that allows your computer to get fixed domain name using dynamic public IP, i.e an IP that might be changed by the . For example myawsomedomain.dyndns.com

There are many Dynamic DNS services, free and paid, such as:

  1. freemyip totally free
  2. No-IP limited features for free
  3. DynDns Paid
212 questions
42
votes
4 answers

How can I get my public IP address as text for a script?

I'm writing a script that does dynamic DNS updates for me, but my server is behind a router, and so I need to determine my public IP. There are websites like these ones that return some HTML, but I really don't want to bother parsing HTML when what…
27
votes
4 answers

DD-WRT: How to allow port forwarding to apply to requests originating from inside the LAN?

With the original firmware of my router I had port forwarding defined from port 80 to the server in the LAN, which I used in conjunction with an external dynamic DNS service. I've now upgraded to DD-WRT and alas the port forwarding only works for…
UrEl
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24
votes
3 answers

Can't set "example.com" as a CNAME record?

I'm currently running a server at home, but I have a dynamic IP. So I subscribed to a dynamic dns service(dlinkddns.com). I made all the correct settings in my own network, and the ip updates perfectly. The problem is that I have a domainname(let's…
teuneboon
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19
votes
3 answers

How does DynamicDNS act immediately?

My understanding of the core functionality of DNS is to provide a naming/mapping service between domain names (e.g. blah-whatever.com) and IP addresses (e.g. 100.2.3.4). Furthermore, my understanding of how Internet DNS servers work is that when a…
pnongrata
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14
votes
4 answers

ddclient updating to local IP instead of public IP

I'm trying to setup ddclient on my ubuntu server to update my DNS records on zoneedit for when my public IP changes. It's updating fine, the problem is that it's giving zoneedit my local IP instead of my public one. SUCCESS: updating mydomain.com:…
13
votes
1 answer

Access my computer externally without port forwarding

I have a linux machine (Sabayon 13 KDE) that I'd like to be able to access remotely for SSH, FTP, HTTP, and so forth. I signed up for Dynamic DNS with No-IP.com, but this isn't adequate because I am on a college campus network, behind an NAT, and…
12
votes
5 answers

Why can't I access my own web server from my local network?

I have a web server in my home network and I'm using ZoneEdit for dynamic DNS. It's accessible perfectly to everyone outside of my local network, but since I switched to a Gateway 2Wire DSL modem/router I'm unable to use the domain to access the…
frenetic
8
votes
5 answers

How to ssh into home LAN behind ISP NAT (no public IP address)?

My property management company provides free internet access. All the apartments in many buildings are behind some common NAT, so none of us have our own public IP addresses. Thus, services like dyndns.org don't work, at least not that I could…
Matt J
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8
votes
1 answer

how to clear Window DNS cache

My router reset and my ip address changed. DynDNS was updated with the new address automatically. But windows still pings the old address. How do I clear the DNS cache in Windows Vista?
Stevko
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6
votes
2 answers

How to Create A Dynamic Dns and MX-record via freedns.afraid.org

I'm in need of an mx record. I have comcast and they only allow you a few options for dynamic dns services, the free one being freedns.afraid.org. I've never set up an mx-record before so I obviously have little knowledge of what I'm dealing with.…
6
votes
7 answers

Dynamic DNS for both IPv4 and IPv6 (using freedns.afraid.org or others)

[Edit: I have now found a solution; see below for my answer] I want to set up dynamic DNS on my Fritz!Box 7490, so that it is reachable both on IPv4 and IPv6. Note that I want to reach the Fritz!Box itself, and not a computer behind it. The…
6
votes
1 answer

How can I configure a "global hostname" in Airport Utility?

AirPort Utility 5.6.1 for Windows disallows entering dots ('.') in the global hostname. Whenever you try to enter a '.', it just beeps with an error. Setting a global hostname is the AirPort way for the "Dynamic DNS" feature found in other routers;…
Ilya
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6
votes
2 answers

How to publish IPv6 on duckdns

My ISP recently started providing IPv6. I have a Raspi with PiVPN at home and like to be able to reach my LAN when I am away. I have been using DuckDNS for years now and for IPv4 it worked great. However, because they are on AWS, it seems they are…
jaaq
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6
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4 answers

self signed certificate with openssl for server at home and no domain name

All of the articles I read online talk about creating a self-signed certificate for a domain you own. I have Apache2 set up on an Ubuntu 16.04 server at home. My ISP gives me a dynamic IP so I use No-IP. I have ports opened on my router to re-direct…
5
votes
2 answers

How to get dynamic dns entry for ipv6-only host?

The host is behind NAT and uses Teredo to get globally routable. How to make it easily-reachable? For IPv4 case we just use no-ip or dyndns, however for ipv6 I don't see AAAA replies from dyndns's nameserver even though I specified "IPv6 Address…
Vi.
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