OPNsense’s ddclient plugin is broken, so just running this on my NAS:
https://aur.archlinux.org/packages/duckdns https://github.com/T00mm/duckdns
OPNsense https://forum.opnsense.org/index.php?topic=26446.180 https://forum.opnsense.org/index.php?topic=32121.0 https://forum.opnsense.org/index.php?topic=26446.30 https://forum.opnsense.org/index.php?PHPSESSID=2hr9m99pca572t9f6052gdt4q5&topic=26446.360 https://github.com/opnsense/plugins/issues/3344 https://www.reddit.com/r/OPNsenseFirewall/comments/srn2oc/dynamic_dns_duckdns_not_updating_after_switching/ https://www.reddit.com/r/OPNsenseFirewall/comments/10mll1x/duck_dns_not_updating_after_231_update/ https://www.reddit.com/r/OPNsenseFirewall/comments/xy4ko4/duckdns_and_ddclient_dont_work_service_wont_start/ https://www.reddit.com/r/opnsense/comments/12t0d82/setup_guide_for_duckdns_on_new_dynamic_dns_setting/ https://www.reddit.com/r/opnsense/comments/149eylb/dynamic_dns_setup/