Network ToolsFree DNS Checker
DNS Toolbox
Query A, AAAA, MX, TXT, NS, CNAME, CAA, and SOA records with automatic SPF and DMARC verification.
- Standard 8 record types
- Automatic SPF detection
- DMARC policy lookup
- TTL inspect & copy
FREE EMAIL DELIVERABILITY & SPAMASSASSIN AUDITORWebsite Tools
Email Spam Checker & Deliverability Tester
Mail-Tester alternative: Audit SPF 10-lookup limit, DKIM selector, DMARC policy, MX records, 12 DNSBL blacklists, and spam keywords with 1-click AI fix prompts.
📬 Email Spam & Deliverability Checker
What this tool tests for 100% Primary Inbox Delivery:
SPF & DKIM Authentication
Validates sending IP authorization and cryptographic public key signatures required by Gmail & Yahoo 2024+ rules.
DMARC Policy Enforcement
Checks if your domain enforces p=quarantine or p=reject to prevent spoofing and domain reputation hijacking.
20+ Real-Time Blacklists
Queries Spamhaus, Barracuda, SpamCop, and SORBS in real time to ensure your IP and domain are not blacklisted.
1-Click AI Fix Prompts
Generates ready-to-copy prompts to fix missing DNS records or spam trigger words directly with ChatGPT / Cursor.
MONITORIZACIÓN CONTINUA DE INFRAESTRUCTURA
¿Necesita alertas automáticas en lugar de comprobaciones manuales?
Uzvera ofrece monitorización 24/7 de tiempo de actividad, alertas de expiración de certificados SSL, terminal SSH y escritorio remoto en un único panel.