Domain lookup
deckcheck.co
Hosted by Cloudflare, Inc. (AS13335) · Tranco rank #307,630 · 🇫🇷 Top 500K in France
Hosting
104.21.64.181AS13335 Cloudflare, Inc. · — · Clean
172.67.154.75AS13335 Cloudflare, Inc. · — · Clean
Technologies
Web serverCloudflare
CDN / protectionCloudflare
ProtocolTLS 1.3 · HTTP/3
Security headersHSTS CSP Frame protection nosniff Referrer-Policy
SourceHome page probe · 7 Oct 2026 · statistics · about this probe
DNS records
Name serversCloudflare
lou.ns.cloudflare.com
lovisa.ns.cloudflare.com
lou.ns.cloudflare.com
lovisa.ns.cloudflare.com
Mail serversGoogle
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
SPFv=spf1 include:mailgun.org include:_spf.google.com ~all
DMARCv=DMARC1;p=quarantine;sp=none;pct=100;rua=mailto:contact@deckcheck.co
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Known domains: the Tranco top 1M (most popular sites worldwide), the sites most visited in 238 countries (Chrome UX Report), every active .fr domain (AFNIC open data), every .nu, .ee, .se, .ch, .li, .sk domain (registry zone files), every domain of 1021 generic TLDs such as .org, .pro, .cloud (ICANN CZDS zone files) and domains seen in new certificates (Certificate Transparency logs, .com and .net included, collected since 30 September 2026), resolved regularly — updated continuously, last update 2026-10-09. Not exhaustive: other sites may share this address.
Live DNS lookup on 2026-10-09. JSON: /domain/deckcheck.co?format=json