Souzoku-navi.com is a Japanese-language web service focused on inheritance and estate matters, offering tools such as lawyer search, estate division agreement documents, and quote comparisons. It appears to serve individuals in Japan navigating the legal and procedural aspects of inheritance. The site is operated by Paperboy And Co. Corporation, based in Fukuoka, Japan.
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Authority
—/100
Safety
90/100
Registered
Nov 21, 2004
21 years old · GMO Internet Group, Inc. d/b/a Onamae.com
1 of 2 safety checks passed (Sep 4, 2026).
AboutUs has not vetted this site. 1 of 2 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.
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Domain registered Nov 21, 2004 — 21 years old.
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Registrar today: GMO Internet Group, Inc. d/b/a Onamae.com — unchanged since AboutUs began tracking (Sep 4, 2026).
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
Missing DMARC (mild)
Site history
Dated record — historical facts always carry their date.