| **<aid="dns_over_https.custom_dns_url"name="dns_over_https.custom_dns_url">dns_over_https.custom_dns_url</a>**<br/>[`web address`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `basic``mandatory`*`disabled`* | Custom DNS URL.<br/>**Validators**: <br/>• well-known ports (1 to 1023) are allowed<br/>• registred ports (1024 to 49151) are allowed<br/>• type domainname<br/>• the domain name can be a hostname<br/>**Disabled**: if "[Use Provider](#dns_over_https.provider)" is not "Custom". |