Rank #8,420Updated November 10, 2026
diamond.jp
ダイヤモンド・オンライン
The site runs on Google Ad Manager, Swiper, HSTS and 2 other technologies. Its email security grade is C. Its SSL certificate is issued by GlobalSign nv-sa and is valid for 102 more days.
- Domain age
- —
- Technologies
- 5
- Email security
- C
- SSL days left
- 102
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 210.148.177.240 | 58 |
| MX | route1.mx.cloudflare.net 14 | 300 |
| MX | route2.mx.cloudflare.net 47 | 300 |
| MX | route3.mx.cloudflare.net 80 | 300 |
| NS | eugene.ns.cloudflare.com | 86400 |
| NS | ryleigh.ns.cloudflare.com | 86400 |
| TXT | facebook-domain-verification=35xmukjxwsvp824oum831hkqbxolst | 300 |
| TXT | google-site-verification=cw47u27nVyRFIWWpPmSthQ0GF7al7BaoARoMy8-i9Ns | 300 |
| TXT | google-site-verification=fISKJQyNGY7KCqL6XF_qn0PoURXchIR45XBpVnSQ5VQ | 300 |
| TXT | google-site-verification=m71bv9LLHHMI5847dG8uLsnUu0yRjq8_PU30vBm1zDE | 300 |
| TXT | v=spf1 include:92tghrck6z.powerspf.com ~all | 300 |
Technology stack
Advertising
JavaScript library
Security
Tag manager
Video
Analytics and advertising IDs
google_tag_manager:GTM-5GRZHMLSSL certificate
| Valid | Valid |
|---|---|
| Issuer | BE, GlobalSign GCC R3 DV TLS CA 2020, GlobalSign nv-sa |
| Expires | February 20, 2027 |
| Days remaining | 102 |
| Protocol | TLSv1.3 |
| Names | *.diamond.jp, diamond.jp |
Email security
CScore 68/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good3 MX record(s) found. Mail is handled by Cloudflare Email Routing.
Homepage metadata
| Title | ダイヤモンド・オンライン |
|---|---|
| Description | ダイヤモンド社のビジネスパーソン向け情報サイト。業界を深掘りした独自特集、経営・経済・マネー情報やスキルアップ記事を提供し、ビジネスリーダーの意思決定や課題解決に応えます。 |
| Language | ja |
| Canonical | https://diamond.jp/ |
| Indexable | Yes |
| Word count | 768 |
About diamond.jp
What technology does diamond.jp use?
We detected 5 technologies on diamond.jp, including Google Ad Manager, Swiper, HSTS, Google Tag Manager, Vimeo.
Does diamond.jp protect its email with SPF and DMARC?
diamond.jp scores 68/100 (grade C) for email security. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of diamond.jp?
diamond.jp uses eugene.ns.cloudflare.com, ryleigh.ns.cloudflare.com.