No. Cyon is operated from Switzerland, outside the EU, so staysin.eu classifies it as non-EU.
Swiss hosting provider in Basel; Switzerland is not in the EU.
A provider counts as EU only when all three criteria hold:
Where a server physically sits is shown on each check but does not change the verdict: legal reach follows who controls the processing, not where the bytes are. Read the methodology.
Seen on 7 of 10871 checked domains (latest check per domain, as of 25 October 2026): as hosting on 5, as DNS on 4, as mail (MX) on 2, as mail sending (SPF) on 2.
Domains are those people chose to check on staysin.eu, not a representative sample of the web.
Recently checked domains using Cyon: