Find the IPv4 addresses published by a domain’s A records

For web teams checking a launch or tracing a fault, this test provides an immediate point of reference. Find the IPv4 addresses published by a domain’s A records.

Find the IPv4 addresses published by a domain’s A records. The result highlights the live configuration and the clues that matter for diagnosis.

How to use

Enter the domain name whose IPv4 addresses you want to check, using the exact host name.
Launch the test to query the published A records for that name.
Read the returned IPv4 addresses and note their order if several appear in the list.
Compare those addresses with the ones expected from your host or DNS provider.
Clear the field to test another name or to recheck the domain after a change.

Example

After moving to a new host, you test the main domain to see which IPv4 addresses are still published. This helps spot an old address left in the DNS zone before traffic is redirected. This kind of check is useful during a hosting migration or after a DNS edit.

Limits and formats

The lookup shows A records, so it returns IPv4 addresses only and not IPv6 addresses.
If the tested name is an alias, a separate CNAME lookup may be needed to understand the chain.
Public DNS can keep an older answer during propagation or caching, so timing matters.
The result does not prove that a web service is actually responding on the address found.

Where processing happens

The domain you enter is sent to the YOORfree server, which queries public DNS itself and returns the A records it finds. No file is uploaded; only the request needed for the IPv4 lookup is performed. You can repeat the lookup after each change to see how the published answer evolves.

Frequently asked questions

Will the result show IPv6 addresses instead of IPv4 addresses?

No, this tool is limited to A records, so it returns IPv4 addresses. To check the IPv6 side of the same domain, use a separate AAAA lookup and compare the two answers.

Why are several IPv4 addresses listed?

A domain can publish multiple A records for load sharing or redundancy. The display order does not guarantee the order in which visitors will be directed to those addresses.

Should I enter www or the domain without www?

Test the exact name you care about, because www and the root domain can have different records. If both need to respond, check them separately to avoid missing a problem.