sigda.org

Sigda.org

About ACM's Special Interest Group on Design Automation SIGDA is committed to advancing the skills and knowledge of electronic design automation professionals and students throughout the world.

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Authority

69/100

Safety

90/100

Registered

May 5, 1997

29 years old · Network Solutions, LLC

All 5 safety checks passed (Sep 8, 2026).

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 May 5, 1997 — 29 years old.

checked now

Registrar today: Network Solutions, LLC — unchanged since AboutUs began tracking (Sep 8, 2026).

checked now

Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 69/100 — ahead of 69% of scored sitesClear

Why this authority score

Prominence (Open PageRank 2.6/10)+6
Verified continuity: 29.4 years (RDAP registration)+11
Security & email hygiene+4
Calibration adjustment (published map)+14

Every point maps to a sentence. These lines sum to the model score of 35/99, which is what places this site at 69/100 against every other scored site.

Safety evidence

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1997
Domain registered (May 5, 1997).
2026
Checked today — All 5 safety checks passed (Sep 8, 2026).

✓ domain continuity 29 years registered✓ live verified Sep 8, 2026

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