DNS Checker and DNS Test Tool

DNSprobe helps you check your DNS, test a domain name or inspect an IP address from one place. It builds a detailed DNS report with practical suggestions to fix configuration issues and improve reliability, email delivery and security.

Use it as a DNS checker, DNS test tool or DNS tester when you need to verify nameservers, DNS records, mail authentication, SSL/TLS, reverse DNS and WHOIS information. DNSprobe goes beyond a basic DNS lookup by combining many technical checks in one readable report.

If you are wondering “how can I check my DNS?” or “how do I test my DNS setup?”, enter a domain or IP above and DNSprobe will analyze the most important records and signals for you.

DNSprobe can check and test:

• Core DNS records: NS, SOA, A, AAAA, MX, TXT, CNAME, CAA, WWW and HTTPS DNS records.
• Nameserver delegation: parent servers, authoritative nameservers, glue records, stealth NS records, lame servers and zone consistency.
• DNSSEC status, DS/DNSKEY validation, delegation issues and warnings before changing nameservers.
• Mail configuration: MX records, MX host validity, duplicate or mismatched MX IPs, PTR/reverse DNS, SPF, DKIM, DMARC and BIMI.
• TXT record diagnostics, duplicate TXT detection and provider hints for services such as Microsoft 365 and Google Workspace.
• SSL/TLS and web checks: certificate chain, CA trust, HTTPS redirect behavior, HSTS, HTTPS DNS records and security headers.
• Website and security signals: homepage snapshot, common open ports, AXFR exposure, IP reputation and blacklist checks.
• WHOIS and network intelligence: domain status, registrar data, ASN information, IP type, GeoIP details, reverse DNS and latency.

All results are grouped in a clean, technical and easy to read interface.

A quick note before you start

Generating a full report can take a bit of time (up to 30 seconds).

DNSprobe performs many checks and queries across various external services and protocols.

Please be patient while we gather and compile everything for you, it's worth the wait!

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