Your Public IP Address

This is the IP address the internet sees you from

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Network Tools

DNS Lookup

Look up DNS records for a domain. Find A, AAAA, MX, CNAME and TXT records.

Reverse IP

Find the hostname associated with an IP address via PTR record (reverse DNS).

IP Geolocation

Find location, ISP and timezone for any IP address.

Speed Test

Measure download speed and latency. Compare with your subscription.

Email Security

Analyze SPF, DMARC and DKIM for a domain. Get a security score.

Learn about IP addresses

Read about how IP addresses work, IPv4 vs IPv6, and online privacy.

About visip.no

visip.no is a free Norwegian network platform developed by Nordic Hosting AS. We offer a collection of user-friendly tools that help you understand and troubleshoot your internet connection – no registration required, completely free of charge.

When you visit visip.no, you immediately see your public IP address along with information about your location, internet service provider, and connection type. But we don't stop there: with our tools you can also check DNS records, find hostnames via reverse IP lookup, measure your internet speed, and verify that your domain's email security is properly configured with SPF, DKIM, and DMARC.

Behind the tools is a team with over ten years of experience in hosting, network administration, and internet security. We have also written a range of explanatory articles that give you the background knowledge you need to understand the results and make informed decisions about your digital security.

Want to learn more about who's behind the service? Visit our about page.

Popular articles

What Is an IP Address?

Learn the basics of IP addresses and how they work.

IPv4 vs IPv6

Understand the differences between the two IP versions.

What Is DNS?

Learn how the internet's "phone book" works.

Privacy & VPN

Protect your online privacy with VPN and other tools.

Frequently Asked Questions

What is an IP address?
An IP address (Internet Protocol address) is a unique numerical identifier assigned to every device connected to the internet. It works as the device's "mailing address" and enables sending and receiving data over the network. There are two versions: IPv4 (e.g. 192.168.1.1) and IPv6 (e.g. 2001:db8::1).
Why does visip.no show a different IP than what I see at home?
Your public IP address is assigned by your Internet Service Provider (ISP) and represents your entire home network to the outside world. Your private IP address (e.g. 192.168.x.x) is only used internally within your local network. visip.no displays your public IP, which is what the rest of the internet sees.
Can someone track me using my IP address?
An IP address can reveal your approximate geographic location (city/region) and who your ISP is, but it typically does not give your exact address. For increased anonymity, you can use a VPN service that masks your actual IP.
What is the difference between IPv4 and IPv6?
IPv4 uses 32-bit addresses (approximately 4.3 billion unique addresses), while IPv6 uses 128-bit addresses and offers a virtually unlimited number. IPv6 was developed because the world is running out of IPv4 addresses. Read more in our detailed comparison of IPv4 and IPv6.
What is DNS and why is it important?
DNS (Domain Name System) is the internet's "phone book" that translates domain names (like visip.no) into IP addresses that computers understand. Without DNS, you would have to remember numerical IP addresses for every website. Learn more about how DNS works.
Are the tools on visip.no free?
Yes, all tools on visip.no are completely free to use. No registration or login required. We offer IP lookup, DNS lookup, reverse IP, geolocation, speed test, and email security check – all at no cost.