Développement web & logiciels sur mesure en Essonne | SDX
SDX Development is a web and software development studio based in Montlhéry, Essonne, offering custom website creation, SaaS and MVP development, and business software for companies in Île-de-France and across France. Founded in 2013 by Sébastien Descloux, the firm provides a single technical point of contact from project scoping through deployment and evolution, with emphasis on solutions tied to concrete business objectives.
Verifying against the live site and live WHOIS/DNS…
Authority
—/100
Safety
—/100
Registered
Jun 19, 2018
8 years old · IONOS SE
4 of 5 safety checks passed (Sep 8, 2026).
AboutUs has not vetted this site. 1 of 5 automated safety check did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
checked now
Domain registered Jun 19, 2018 — 8 years old.
checked now
Registrar today: IONOS SE — unchanged since AboutUs began tracking (Sep 5, 2026).
Authority: not enough signals yetNot enough signals yet
Why we're not scoring this yet
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Site history
Dated record — historical facts always carry their date.