celf.biz
celf.biz is a live Japanese-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-07-20 and last crawled it on 2026-07-26. It resolves to 162.159.135.42 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
CELF | エクセル業務を改善できるクラウドサービス「CELF」
CELF（セルフ）は現場の業務担当者がエクセル感覚でデータベースと連携したWebアプリを「つくる」ことができ、そのWebアプリをすぐに「公開」し、「使う」ことができる業務改善クラウドサービスです。
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-07-20 |
| Last crawled | 2026-07-26 |
| IPv4 | 162.159.135.42 |
| Network | AS13335 Cloudflare, Inc. · California |
| Mail (MX) | aspmx.l.google.com,alt2.aspmx.l.google.com,alt1.aspmx.l.google.com,alt3.aspmx.l.google.com,alt4.aspmx.l.google.com,x4wd3xqwy5nlver4bmvb6tycubepzehiucnllt4c6pbxyz3hrbtq.mx-verification.google.com |
| Language | ja |
| Server | cloudflare |
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