What powers 
duksholdings.co.jp?
Last seen Oct 2025 · 8 technologies across 4 categories
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
4.73 / 10 · ranked #288,138 of all domains
8 referring domains · OpenPageRank
Infrastructure
- Hosted on GMO Internet (157.7.107.219)
- Email: no MX record returned, SPF names Lolipop
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 36,881,114
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted