I’ve wanted to install pihole so I can access my machines via DNS, currently I have names for my machines in my /etc/hosts files across some of my machines, but that means that I have to copy the configuration to each machine independently which is not ideal.
I’ve seen some popular options for top-level domain in local environments are *.box or *.local.
I would like to use something more original and just wanted to know what you guys use to give me some ideas.
RFC 6762 defines the TLDs you can use safely in a local-only context:
*.intranet
*.internal
*.private
*.corp
*.home
*.lanBe a selfhosting rebel, but stick to the RFCs!
How do you get https on those though? A lot of random stuff requires https these days.
https is not a problem. But you’ll need an internal CA and distributed its certificate to your hosts’ trust store.
do not use
.local, as tempting as it may beuse
.homepersonally“.home.arpa” for A records.
I run my own CA and DNS, and can create vanity TLDs like: a.git, a.webmail, b.sync, etc for internal services. These are CNAMEs pointing to A records.
I own a domain I purchased thru cloudflare.
public facing services are say xyz.mydomain.com
internal facing is xyz.local.mydomain.com
This was internal access pipes into pihole, DNS directs it to Traefik on my server, then to the internal service. Not internet dependent.
I use `.home.arpa` as that is the “official” use of that domain.
Technically every machine is supposed to have a registered TLD, even on a local network. That said, I use .lan
.uk, but it is an actual .uk that I’ve registered.
.damo
I’ve never used DNS in my local network (because it’s additional burden to support, so I tried to avoid it), but couple of month ago when I needed several internal web-sites on standard http port, I’ve just came up with “localdomain.”
Yep, it’s non-standard too, but probability of it’s usage of gTLD is lowest among all other variants because of it’s usage in Unix world and how non-pretty it is :)
If DNS is a burden to support you’re doing it wrong. I set it up once and haven’t touched it since. Everything new that gets added “just works”.
It’s not like DNS is a huge burden by itself, it’s just approach of avoiding creation of critical services unless they become necessary. Because infrastructure around them is a burden: they needs additional firewall rules on middleboxes, monitoring, redundancy, IaC, backups etc.
I don’t fully follow that but like I said, sounds like you’re doing it wrong if you have to alter firewall rules every time you add a host because of DNS issues.
I am not speaking about maintainance of DNS zones (that’s easy), but about maintanance of authoritative DNS servers.
If you want to avoid problems, use TLD that are assigned for this purpose, for example
.home.arpaor.homeor.lanor.privateetc.Avoid using
.localbecause its already used by mDNS.I have a registered domain and my lan domain is “int.registereddomain.com”. This way I can use letsencrypt etc for my internal hosts (*.int.registereddomain.com via dns challenge). The actual dns for my internal domain itself is not public but static records in pihole.
Hmm I thought when I add tls internal to my reverse proxy rule for local domains, it does not get letsencrypt certs. But when I leave it out of the Caddyfile rule, it gets reachable from outside of the local network. How do I use your recommondation? Using a .home.lab domain locally with a DNS name resolve for every single local subdomain (dashboard.home.lab, grafana.home.lab, etc) right now with a caddy managing the outside and the inside reverse proxy work
I did something similar, though I’ve done a slight bifurcation-
*.i.domain.tld -> the actual internal host/IP (internal dns is adguard)
*.domain.tld all resolve internally using a DNS rewrite to a keepalived VIP that’s shared between a few hosts serving caddy that handle automatic wildcard cert renewals / SSL / reverse proxy.
While I talk to things via *.domain.tld, a lot of my other services also talk to each other through this method - having some degree of reverse proxy HA was kinda necessary after introducing this sort of dependency.
Can I ask why this is done over something like hosting your own certificate authority? I’m quite new to all this DNS stuff
If you own your own domain, the lifecycle toolchain to request, renew, deliver certs around a variety of cert authorities (letsencrypt is a popular one) makes it really easy, along with not having to worry about hosting an internal CA but more importantly dealing with distributing root certs to client devices that would need to trust it.
I’ve used https://github.com/acmesh-official/acme.sh as a one-off for updating my Synology’s https certificate (two lines - one fetch, one deploy - finishes in 20 seconds and can be cron’d to run monthly) and Caddy natively handles the entire lifecycle for me (i use cloudflare for my domain registrar which makes it both free and a snap to handle TXT challenge requests).
Certbot is another popular one.
Same here, I’ve got surname.com registered and use static DHCP with entries on Cloudflare for router.surname.com and fileserver.surname.com and grafana.surname.com etc. all with valid certs via letsencrypt.
I want to do this, but I have no clue how to set it up on Asustor AS6706T. I’ve got a bunch of docker apps up and running and I’d like to simplify stuff with subdomains and better ssl. The whole self signed stuff is just a whole project in itself to work right.
I own both mydomain.com as well as mydomain.me. I use the *.me as my local domain and *.com for the real world.
I use homelab…org
.app is suuuper cheap even for three letter domains. I picked one up for pennies with three letters that mean something to me and my partner and use a pair of redundanct piholes to serve local DNS for that domain. Externally it’s hosted on DigitalOcean for stuff I want external.
I had problems with .local because it’s used for MDNS and too lazy to figure out how that works so now I just use lan but I also own a .com domain so I have started to use that more