Check A records instantly across multiple public DNS resolvers to validate IPv4 routing.
When your website goes offline or you've just migrated to a new hosting provider, verifying your DNS routing is the critical first step. Enter your domain name above to instantly query its A record (IPv4 address). Our tool doesn't just check one server; it queries multiple public DNS resolvers globally to give you a complete picture of your domain's health.
Running an A record check is straightforward, but understanding the output is key to solving routing issues quickly:
If you need to understand the underlying theory, such as how IPv4 mapping works, how to choose the right TTL during migrations, and the difference between apex domains and subdomains (www), we've got you covered.
Read the A Record Wiki