"label":"Subdomains (comma separated). E.g. `mydomain1,mydomain2`.",
"max":1024,
"min":3,
"required":true,
"env_variable":"DUCKDNS_SUBDOMAINS"
},
{
"type":"password",
"label":"DuckDNS Token",
"max":128,
"min":3,
"required":true,
"env_variable":"DUCKDNS_TOKEN"
},
{
"type":"text",
"label":"Update IP (blank, ipv4, ipv6 or both). Setting this value uses external Cloudflare whoami service. Omitting the field uses DuckDNS for detection and only supports IPv4.",