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4. Dynamic DNS (DDNS), Tutorial

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Dynamic DNS (DDNS)

Learn how a DDNS provider can manage the dynamic change of your IP to keep your website alive:

  1. select a reliable free or paid DDNS
  2. Sign up account
  3. log in to your Registrar and change ⁄ add the name servers of your DDNS
  4. log in to your DDNS account and setup DNS for your domain
  5. download and install a Dynamic DNS Client

Note: Use a DDNS if your IP is dynamic.

Video demonstration: Dynamic DNS (DDNS)

4. Dynamic DNS (DDNS), Tutorial

min video details
00:04 in order to access the website when clicking on the domain name, you need to point your domain name to your server's IP, a static IP
00:06 if you have a dynamic IP:
- either use a DDNS = a Dynamic DNS (free or paid) or
- speak with your ISP to give you a static IP
00:12 the Dynamic DNS will manage the change of your dynamic IP, meaning that when IP changes, the new IP propagates instantly keeping your website alive. The Dynamic DNS DDNS is just a DNS service which uses short TTL values.
00:20 start by choosing a free DDNS: e.g. dnsexit.com, randomly chosen for example purposes
Sign up for an account
00:35 then Log in to your Account
00:49 select Dynamic DNS Service
00:58 DDNS: allows you to associate a domain name to dynamically changed IP address...when running a web site at home
01:10 Steps:
1. Sign up an account - we've already done that
01:15 2. Register a new domain or use your existing domain: we've already done that: d0main1.com registered to Enom
01:23 3. Create DNS for the Domain:
a) let's switch ⁄add the NS(name servers) of our DDNS provider (dnsexit.com) to our domain (d0main1.com) at our Registrar account (Enom)
01:35 log in to your Registrar account (Enom in our case for d0main1.com) and add the NS of your DDNS
02:10 save the new name servers added
02:23 Setup DNS for the domain
02:29 for DNS Express: click here for a video tutorial
02:47 Enter the domain name
02:52 enable DDNS
03:06 enter your public external IP: you can verify it by accessing: www.ip-address.com/ip_tracer
03:12 d0main1.com automatically assigned to our external IP
03:22 make aliases for the domain: www.d0main1.com points to d0main1.com
03:30 specify mail servers for the domain
03:36 TTL = 2 seconds → almost instant DNS propagation
03:39 Save DNS for the domain
03:43 Verify DNS
03:50 4. Install a DDNS Client:
it will automatically detect your IP changes and update the IP of your domain (DDNS account)
04:09 we've downloaded and installed the IP Updater 2.0 because we're on Windows