This is a fork of http://nip.io with some neat changes.
Dead simple wildcard DNS for any IP Address
nip.io allows you to map any IP Address in the following DNS wildcard entries:
It works with Dashes -, perfect for wildcard TLS certs:
10-0-0-1.nip.io maps to 10.0.0.1
app.10-0-0-1.nip.io maps to 10.0.0.1
customer1.app.10-0-0-1.nip.io maps to 10.0.0.1
As well as Dot .:
10.0.0.1.nip.io maps to 10.0.0.1
app.10.0.0.1.nip.io maps to 10.0.0.1
customer1.app.10.0.0.1.nip.io maps to 10.0.0.1
See https://github.com/resmo/nip.io/blob/master/src/backend.conf.example for an example config-
Hint: See the static CNAME _acme-challenge=xyz.auth.example.com. in the example, use it with https://github.com/joohoi/acme-dns for free Let's Encrypt TLS certs.
Quick test run with built-in config for example.com:
docker run -d -p 0.0.0.0:5353:53/tcp -p 0.0.0.0:5353:53/udp --name nip.io ghcr.io/resmo/nip-io:latest
dig @localhost -p5353 10-1-2-3.example.comProvide your own config as volume:
docker run -d -p 0.0.0.0:53:53/tcp -p 0.0.0.0:53:53/udp -v /data/backend.conf:/usr/local/bin/backend.conf --name nip.io ghcr.io/resmo/nip-io:latestdocker build -t nip.io .docker logs -f nip.iodig 1-2-3-4.example.com +short @localhost
1.2.3.4
dig foo.1-2-3-4.example.com +short @localhost
1.2.3.4
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