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Tool 2.1

What is my IP address? IPv4, IPv6 & connection info

See your public IP address, whether it's IPv4 or IPv6, your country, TLS and HTTP version, and what every website can learn from your connection.

Online checkIt reads the connection you already made to ethorns.com (served by Cloudflare). Nothing else is sent.

How to use it

  1. Open the page: your public IP appears at the top. It's read from the connection your browser already made to ethorns.com, through Cloudflare; nothing else is sent.
  2. Press Copy IP if you need to share it or allow it in a firewall.
  3. Review what websites can see about your connection and your browser.

Your public IP vs the 192.168 address on your Wi-Fi

Someone asks you to allow your IP in a firewall, a hosting panel, a database or a remote-desktop tool. You turned on a VPN and want to confirm it works: the IP and the country should change. Support asks for it, or you want to know whether your connection uses IPv6.

Your public IP isn't the one in your Wi-Fi settings. Addresses like 192.168.x.x or 10.0.0.8 exist only inside your home or office network, and your router hands them out. Websites see one public address for the whole network, and that's the one shown here.

What BOG, TLSv1.3 and the other rows mean

Say the page shows 203.0.113.7. The first table adds IP version IPv4, Country Colombia (CO), a Cloudflare data center such as BOG, the encryption in use (for example TLSv1.3), the HTTP version and whether Encrypted Client Hello is on. The data center is the airport-style code of the Cloudflare location that served you; it tells you roughly where your connection entered their network, not where you live.

The second table shows what your browser tells every site: the user agent (browser and system), your languages, time zone and screen size. None of these identify you on their own, but combined they can help sites recognize you across visits. Turn on a VPN and reload: the IP, country and data center should change, while the browser details stay the same.

Why your IP changes, and why you may only see IPv6

Allowing your home IP in a firewall and forgetting that it can change. Most home and mobile connections get an address that changes from time to time, for example when the router restarts, unless your provider sells you a fixed one. On mobile data and some home plans, many customers share one public IP (this is called CGNAT), which is also why you often can't open a port to reach a camera at home from outside.

The page shows only the address used for this connection. If your network has both IPv4 and IPv6, your browser usually picks IPv6, so seeing IPv6 here doesn't mean you have no IPv4. And the country is an estimate from Cloudflare that can be wrong for VPNs, company networks and satellite connections.

FAQ

Why does it only show a country?

IP addresses don't carry a location. Databases guess it from who owns the address, and the guess is only reliable at the country level. If you use a VPN, it shows the VPN's location.

What's the difference between IPv4 and IPv6?

IPv4 addresses look like 203.0.113.7 and are running out; IPv6 addresses look like 2001:db8::1. If you see IPv6, your internet provider already supports the newer protocol.

Do you store my IP?

This page doesn't save it: it only shows it to you. Like any web server, ours keeps a technical log of visits (IP address, time, page) and deletes its oldest lines automatically once the log reaches a fixed size, a few weeks at current traffic; How eThorns works explains it. Cloudflare, which carries the connection, also sees your IP, as it does for any site it serves.

Can someone find my home from my IP?

Not from the IP alone. It points to your internet provider and a rough area, often just a city or a region. Only your provider knows which customer used an address at a given moment, and it normally hands that over only to authorities with a legal order.

Does a VPN hide my IP?

From the websites you visit, yes: they see the VPN's address instead of yours. The VPN company still sees your real IP and which sites you connect to, so you're moving your trust from your internet provider to the VPN. It also doesn't stop the browser details shown on this page from reaching sites.

  • 2.2Email securityCheck a domain's SPF, DKIM, DMARC, MTA-STS, BIMI and DNSSEC, and get copy-ready DNS records for what's missing or wrong.
  • 2.3SPF record builderBuild one SPF record for your domain from your mail services, servers and IP ranges.
  • 2.4DNS lookupLook up any domain's DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV) or the reverse DNS of an IP, with TTLs and DNSSEC validation.
  • 2.5Email header analyzerPaste an email's raw headers to see the servers it passed through, the SPF, DKIM and DMARC results your provider recorded, and signs of a forged sender.
  • 2.6DNS propagation checkerAsk 10 public resolvers (Google, Cloudflare, Quad9, OpenDNS…) for a name's A, AAAA, CNAME, MX, NS or TXT records and see if your DNS change reached them.
  • 2.7DMARC report readerOpen a DMARC aggregate report (.xml, .xml.gz or .zip) and see, for each sending IP, how many messages passed or failed SPF and DKIM.
  • 2.8Is it down?Check whether a website answers, with its HTTP status, response time, redirects and HTTPS, measured once from our server in Colombia.
  • 2.9DMARC record generatorBuild a DMARC TXT record: policy, test mode, report addresses and alignment.
  • 2.10Link preview checkerSee how your link will look when shared on WhatsApp, X, LinkedIn or Facebook: check the title, description, og:image and Twitter card tags, with fixes.
  • 2.11Subnet calculatorType an IP address with its prefix to get the network, mask, broadcast, usable host range and count, and split it into equal subnets.

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