Website Tools

IP Address Lookup

Look up a website's server IP address, IPv4/IPv6, and reverse DNS.

Enter a domain below to instantly look up the actual server IP address behind it - IPv4, IPv6 (if configured), and the reverse DNS hostname for that IP.

Your IP address

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To find the IP address of a website, enter its domain or full URL below - for example https://example.com/page.

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The IP address returned is whichever server currently answers for that domain right now - if the site sits behind a CDN or load balancer (common for larger websites), this will be the CDN's edge IP, not the origin server's real IP. Reverse DNS shows the hostname that IP address itself resolves back to, which is often the hosting provider's own naming scheme rather than your domain name - that's expected and not a misconfiguration. JustChecker tracks your server's IP address and alerts you if it ever changes unexpectedly.

What Is the IP Address Lookup?

It resolves a website's domain to the IPv4 and IPv6 addresses its server uses and shows the reverse DNS hostname for the IP where one exists.

When to Use It

To find out which server or hosting provider a site is on.
To confirm a domain points to your new server after a migration.
When allow-listing a website's IP in a firewall.

How to Use It

Enter the domain.
Note the IP addresses and reverse DNS name.

Understanding the Result

The reverse DNS name often reveals the provider - for example names ending in amazonaws.com or googleusercontent.com. Several IPs usually mean load balancing or a CDN.

Limitations

Sites behind a CDN such as Cloudflare show the CDN's IPs, not the real origin server. Shared hosting means many unrelated sites can use the same IP. Look up an IP's hostname with Reverse DNS Lookup.

Your IP Address

The box at the top shows the public IP address your device is using right now - the one websites see. On mobile data or a home Wi-Fi it usually belongs to your internet provider and can change from day to day. It is fetched separately each time and is not stored.

How to Find the IP Address of a Website or URL

Type the domain (example.com) or paste a full URL such as https://example.com/page - the tool uses just the host name.
Click Look Up IP to see its IPv4 and IPv6 addresses and the reverse DNS name.

From a terminal you can do the same with nslookup example.com, dig +short example.com or ping example.com. For every record type at once, use the DNS Lookup.

Why a Website Can Show Different IP Addresses

CDNs such as Cloudflare and CloudFront give different visitors different addresses, so the IP you see may not be the actual server.
Load balancing spreads traffic over several servers, each with its own address.
IPv4 and IPv6 are separate addresses for the same site; newer networks prefer IPv6.
Shared hosting puts hundreds of websites on one IP address, so an IP does not identify a single site.

What an IP Address Tells You - and What It Does Not

An IP address can show which network or hosting company a site uses and roughly where that network is registered. It does not reveal a person's home address, and behind a CDN it hides the real server. To see who registered a domain, use the WHOIS Lookup.

Frequently Asked Questions

If your site uses a CDN (like Cloudflare) or a load balancer, the IP you see here is that service's edge/proxy IP, not your actual origin server - this is normal and, for CDN-protected sites, is exactly the point (it hides your real server IP from the public).

Reverse DNS resolves an IP address back to whatever hostname is configured for it in the PTR record - for shared/cloud hosting, this is very often the hosting provider's own internal naming pattern (like ec2-x-x-x-x.compute.amazonaws.com), not your domain name, and that's completely normal.

This is common with load-balanced or CDN-backed sites - DNS can return several IP addresses for the same domain, and different visitors (or repeated checks) may be routed to different ones for load distribution or geographic proximity.

No - this tool looks up the IP address of the domain/server you enter, not your own device's IP. It's used to find where a website is hosted, not to check your personal connection.