Spotting farms and networks: the signals of a rubbish domain and how to group domains by their fingerprint

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How a site is analysed (ad density, copied or generated content, no author and no contact details, domain age, ads.txt), the trust signals that clear a site (CMP, trust seal, company number, a real blog, social profiles, schema, an app, longevity, MX, DNSSEC), and the clustering by IP, name servers, RDAP record and publisher ID that turns a list of domains into whole networks.

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