Check your messaging and DNS records before you ship to production.
Generate authentication keys, inspect raw email headers, preview interactive WhatsApp templates, and calculate SMS segments directly in your browser.
Authentification des e-mails
Générateur de politique DMARC
Configure a DMARC policy that protects your domain from spoofing, or paste an existing DNS record to review its enforcement rules in plain English.
Authentification des e-mails
Analyseur de rapports DMARC
Upload an XML aggregate report from your mailbox providers to see which servers send as your domain, what passes authentication, and what to fix.
Authentification des e-mails
Générateur d'enregistrement BIMI
Create and validate the DNS record that displays your brand logo in supporting inboxes, or paste an existing record to verify its settings.
Authentification des e-mails
Générateur de clés DKIM
Generate an RSA key pair and its public DNS record locally in your browser, or paste an existing DKIM record to inspect its configuration.
Enregistrements DNS
Découpeur d'enregistrements DNS
Split long DKIM keys and TXT records into quoted 255-character strings formatted for Cloudflare, Route 53, Azure, or a zone file.
Diagnostics e-mail
Analyseur d'en-têtes d'e-mail
Paste raw email source to inspect SPF, DKIM, and DMARC verdicts alongside hop-by-hop delivery delays.
Messagerie
Constructeur de messages WhatsApp
Design interactive WhatsApp messages with buttons, lists, and media, preview how they look on a phone, and copy the ready-to-send request.
Messagerie
Calculateur de segments SMS
Paste your SMS copy to see its character encoding, billable segment count, and which characters smart encoding can replace to keep messages short.
Mettez-le en pratique.
Poursuivez avec la documentation, les guides et les exemples sur ce sujet.