DNS Checker

Check A, CNAME, MX, TXT, and nameserver settings to troubleshoot domain resolution, email verification, Cloudflare setup, and unreachable websites.

Domain Tools and Practical Guides

Use the guidance below to review domain, DNS, WHOIS, or nameserver settings. When you are ready to register, check availability, registration pricing, and renewal costs directly.

Search and Register a Domain

Review DNS settings step by step. For resolution problems, compare registrar nameservers, DNS-zone records, and server configuration.

Check these DNS settings first

Nameservers point to the intended DNS provider
A records point to the correct server IP
CNAME records do not conflict with apex-domain requirements
MX records follow the email provider's instructions
TXT records include the required SPF, DKIM, or verification values

DNS troubleshooting advice

Do not rely on results from one location. Compare multiple networks, public DNS resolvers, and server logs before deciding where the problem is.

FAQ

How long do DNS changes take?

Usually from a few minutes to 48 hours, depending on TTL, recursive DNS caching, and nameserver update status.

Why does www work while the root domain fails?

The root domain may be missing an A, AAAA, ALIAS, or ANAME record while the www CNAME is already working.