Unfortunately, my (otherwise great) registrar Porkbun doesn’t have an API or any other way to automatically update DNS records. I’ve updated my IP manually until now as I have a semi-dynamic one that only changes a couple of times a year. But I won’t have that luxury anymore when I move, so I looked for ways to automatically update the IP. Cloudflare’s authoritative DNS server can be used for free and supports automatic IP changes, but they probably sell data and a third of the interwebs uses cloudflare and I don’t want my server to be unreachable along with a third of the interwebs when Cloudflare has an outage again, as it recently happened. I want to be as decentralised and independent as possible. But I also don’t want to pay for an authoritative DNS server in addition to an expensive .io domain just to be reachable from the outside. I spent many hours trying to find an alternative.
I had already given up and successfully set up Cloudflare when I made one last search because I just didn’t want to give up. And I was rewarded. I don’t remember how, but I found deSEC, a non-profit organisation that offers free of charge and open source authoritative DNS services with servers around the world and an API. They also offer free ___.dedyn.io subdomains, if you’re looking for a completely free way to be reachable from the outside via a readable domain on a dynamic (or any) IP. Apparently, their subdomains can have a TTL as low as 60 seconds but own domains have a minimum of 1 hour by default and API access to update the IP may be blocked, as it was the case for phal.io. As the error message and web reference stated, I contacted them via email and they were very nice and enabled my domain for dynamic updates which also includes setting the minimum TTL to 60 seconds.
It’s perfect, just what I was looking for. Almost too good to be true. And should they ever have an outage, I also have Cloudflare ready to go and can temporarily switch to their DNS servers. As of now, I really recommend deSEC for non-profit, free and open source authoritative (dynamic) DNS services and/or a free subdomain. I’ll put them on my list™ of people to donate to as soon as I’m a YT multiplujillionaire. You should also donate if you have too much money and don’t know what to do with it.
8 лучших бесплатных динамических DNS-провайдеров #dns #webservices
Динамический DNS (DDNS или Dyn DNS) — служба DNS, которая предоставляет возможность отображения доменных имен на IP-адреса. Т.е. можно одному веб-адресу указывать на изменяющийся IP-адрес. На практике это означает, что, если вы хотите удаленно подключиться к вашему ПК или настроить домашний веб-сервер, то динамический DNS — это один из самых простых способов настройки.
Defining VPN security policies This section explains how to specify the source and destination IP addresses of traffic transmitted through an IPsec VPN, and how to define appropriate security policies. The following topics are included in this section: Defining policy addresses Defining VPN security policies Defining policy addresses A VPN tunnel has two end points. These end points may be VPN…
Dynamic DNS works with ClearCenter's SDN to continually update a system's IP address to a static hostname and provides an easy remote access to your system.
Dynamic DNS provides an easily remembered and constantly updated hostname to access your system remotely. Whenever any change or updation takes place in the DNS than the Dynamic DNS services take notice and automatically update itself on the records.
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[Linux server] How to update DNS entries from DHCP to BIND9
[Linux server] How to update DNS entries from DHCP to BIND9
After talking about this topic with a friend during last week, I decided to start running a local DNS server in my home network. The goals of the server are: first, have my own local domain and, second, use it as DNS cache. In this ways I can recall my local servers/devices using their assigned names in the domain and I can have a local cache to very quickly resolve the names for the sites I use…
Adding a domain name at the Duck DNS website. Dynamic DNS (DDNS) is a method of automatically updating a name server in the Domain Name System (DNS), often in real time, with the active DNS configuration of its configured hostnames and/or addresses. The term is used to describe two separate concepts. The first is dynamic DNS updating, which refers to systems that are used to update traditional…
