20 websites carry this Sentry DSN host in its source code@if (Model.Total > IdentifierModel.MaxSites) { ; the 200 highest-ranked are listed }. The public key and host of a Sentry DSN.
The 20 sites listed on this page: each has the id in its stored HTML or first-party JavaScript. The public key and host of a Sentry DSN; sites sharing one are usually run by the same owner, agency or platform.
How was s.v1e.ru found?
By reading the stored source. PageSourceSearch keeps the exact bytes of the pages and scripts it crawls and extracts the identifier from the tag's own snippet or meta tag, so every listed site can be opened at the line that carries it.