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Domain footprint: optosystems.com.sg
Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.
Web:
103.7.9.56 → Exabytes Network Pte. Ltd.
Mail:
alt1.aspmx.l.google.com → Google LLC ·
alt2.aspmx.l.google.com → Google LLC ·
aspmx.l.google.com → Google LLC ·
aspmx2.googlemail.com → Google LLC
SPF sends via:
_spf.google.com
No organisation is registered under the name "optosystems.com.sg"
The addresses above are where it actually runs — resolved live and attributed to the operator that registered each range. That is the answer for a domain; a name match here would only add something if a company were registered under this name too.
Sites hosted on a provider (OVH, Cloudflare, AWS and the like) show that provider, because the address space is registered to them rather than to the site's owner.