ShellfishSoft.com is associated with Crystal Office Systems, a Moscow-based software developer founded in November 1999 that builds personal and corporate office productivity applications. Its catalog spans utilities across categories such as clipboard tools, clocks, note-taking, password management, security/locking, and PIM software for Windows platforms. The company targets both power users and novices with feature-rich programs designed for everyday office and desktop use.
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Authority
—/100
Safety
82/100
0 of 2 safety checks passed (Sep 8, 2026).
AboutUs has not vetted this site. 2 of 2 automated safety checks 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 today, plus dated entries that carry the year they were recorded. These are measurements, not an endorsement of the site.
2016 record
Domain registered Oct 17, 2000 — 25 years old.
2026 zone
Not delegated in the TLD zone as of Aug 18, 2026 — this domain no longer resolves.
Authority: not enough signals yetSome caution flags
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.
Safety evidence
No valid HTTPS today
No MX and no DMARC (mild)
Site history
Dated record — historical facts always carry their date.