Add support for [Structured Error Data for Filtered DNS](https://datatracker.ietf.org/doc/draft-ietf-dnsop-structured-dns-error/) as browsers will start to support it. There are also providers like [AdGuard DNS](https://adguard-dns.io/en/blog/adguard-dns-v2-10.html) that already implemented it.
Add support for Structured Error Data for Filtered DNS as browsers will start to support it.
There are also providers like AdGuard DNS that already implemented it.