asa21.com

Asa21.com

Asa21.com is a Japanese-language publisher based in Tokyo's Chiyoda ward, specializing in business-related books covering topics such as management and employment. The site offers company overviews and mail-order sales of business publications. It serves a Japanese-speaking audience seeking professional and business reference titles.

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Authority

33/100

Safety

85/100

Registered

Mar 31, 2000

26 years old · eNom, LLC

1 of 2 safety checks passed (Sep 11, 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

Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.

Authority & Safety, with the evidence

How this is scored →

Authority 33/100 — ahead of 33% of scored sitesSome caution flags

Why this authority score

Prominence (Open PageRank 0.8/10)+3
Verified continuity: 26.2 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+3

Every point maps to a sentence. These lines sum to the model score of 20/99, which is what places this site at 33/100 against every other scored site.

Safety evidence

No valid HTTPS today

Site history

Dated record — historical facts always carry their date.

2000
Domain registered (Mar 31, 2000).
2026
Checked today — 1 of 2 safety checks passed (Sep 11, 2026).

✓ domain continuity 26 years registered✓ live verified Sep 11, 2026

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