restmaryland.blogg.se - Dyn updater for linux command line

#DYN UPDATER FOR LINUX COMMAND LINE HOW TO#

add a cronjob to the local clients to make HTTP requests to the web server.

on the same DNS server also install a web server that processes updates, and.

make sure that the parent zone (here: domain.tld) contains an NS record pointing to the server,.

install a DNS server that is authoritative for a subdomain (here: ) of some domain,.

There did not seem to be any off-the-shelf solution for this use case whose popularity I had underestimated.Īnyhow, nothing a bit of glue, duct tape, and Python can’t fix.īut note that I did not want to wrangle DNSSEC, so I’m conveniently leaving that part out.

While browsing the web for possible existing implementations, I quickly realized that while there are tons of DNS server implementations, I actually had to build my own script to update the configuration. The configuration is maintained manually.Īlso, a dynamic DNS server obviously needs to have a stable IP address, so I had to resort to use a virtual machine somewhere in a datacenter. I already have a local DNS server running, but I used it for recursive lookups and ad-blocking purposes. I found the existing providers I had used in the past to be annoying.In order to reach my home server from the outside, I decided to build my own dynamic DNS service.

#DYN UPDATER FOR LINUX COMMAND LINE HOW TO#

How to build your own personal DynDNS serviceĬonsumer-grade internet subscriptions typically come with NAT and dynamically-assigned IP addresses. How to build your own personal DynDNS service Lars Hupel.