DNS

DNS providers

DNS Providers with API integration:

Options to consider:

Gandi
https://www.inwx.de
- Terraform Provider
- No API keys, API auth with user/password
- OTP needed on each API call

cert-manager-webhook-njalla
- Couldn't make it work (unable to check TXT record: code: 403, message: Permission denied.)
- Stale ?
Terraform njal.la providers

Other tf provider options:

dyndns docs

❯ export TOKEN=$(gopass show --password token/njal.la/dyndns/varac.net)

Manual update from inside of webserver network:

❯ curl "https://njal.la/update/?h=varac.net&auto&k=$TOKEN"
{"status": 200, "message": "record updated", "value": {"A": "93.221.19.99"}}

Update from outside:

Update:

❯ export IP=93.221.16.69
❯ curl "https://njal.la/update/?h=varac.net&auto&k=${TOKEN}&a=$IP"

Verify:

host varac.net

see [[systemd/resolved.md]] (also how to enable DNSSEC resolver)

/usr/lib/nagios/plugins/check_dns -H varac-test.openappstack.net -a 213.108.108.134 -s 1.1.1.1

sudo apt install dnsdiag

dnsping -c 5 -s 10.27.13.1 varac.net