Discover who is hosting your or anyone's website. Get information about the website IP address, name servers and more.

Learn Alexa traffic rank of a website, which is based on 3 months of aggregated traffic data from millions of Alexa Toolbars in use.

Trace source of an email where it was originated, and the IP address and location of the mail server.

Use this tool to verify if an email address is valid, and also check to ensure mailbox exists and can receive email.

The HTTP Server header tool displays the response header accompanied with body of the HTTP document.

Check if a website is down for everyone or just you. Sometimes, it isn't clear if a website is down or you're just having trouble with your computer. Use this tool to verify if the site is available for everyone.

Find your browser's user agent, or enter the "User Agent" string and determine the platform, operating system, and browser version.

Do you have a shortened URL that you want to know where it lands without clicking on it? Avoid scams and use the unshorten URL to reveal landing URL.

Do you know there are thousands of user accounts that are breached every year? Use our data breach tool to check if your email account has been breached in the past.

DNS Lookup

DNS lookup tool will query the DNS system to find various DNS records including A, AAAA, MX, NS, SOA and TXT records.

Run

SPF Validator

Sender Policy Framework (SPF) is the mail authentication standard used to validate the sender address from forgery.

Run

Reverse DNS Lookup

The reverse DNS lookup tool will query the DNS system to find a hostname of an IP address.

Run

NS Lookup

Lookup NS (name server) records for the domain name in the DNS system.

Run

DMARC Lookup

Lookup DMARC records for the domain name in the DNS system.

Run

DMARC Generator

Use DMARC wizard to generate a DMARC DNS Record for your domain.

Run

MX Validator

Validate DNS MX records for the domain name, and test the SMTP sessions.

Run

DKIM Validator

DKIM validator checks for a DKIM selector in the DNS TXT record on the domain.

Run

DNSKEY Lookup

Lookup presence of DNSKEY and validate authencity of the DNS Records.

Run

DNS Zone Transfer

Changing a web host? Us this tool to create a DNS zone file for a domain.

Run

IP to Hostname

Reverse lookup DNS for the Hostname mapped to an IP Address.

Run

Hostname to IP

Lookup DNS for the IP address assigned to the hostname..

Run

DNSSEC Lookup

Lookup DNSSEC records for the security extension of the DNS.

Run

IPv6 AAAA Lookup

Lookup 128-bit IPv6 AAAA records for your (sub)domain name.

Run

Mail Server Test

Enter an email or domain name, and the tool will test mail servers.

Run

Would you like to add the IP Location widget to your website? We have an IP Widget that you can show on your website.

The proxy cheeck tool will analyze your HTTP connection, and determines if proxy server is behind your computer.

The IP Logger tool will create a tracking link that will log visitor's IP address. This tool can be used to find anyone's IP address by soliciting a user to click a link.

Find your public IP address of a computer connecting to the Internet, and discover your browser data.

Find geolocation including city, region and country of an IP address provided by a handful of IP Location providers.

IPv4 and IPv6 addresses are represented as a 32-bit or 128-bit numbers respectively. This conversion tool will convert the IP address into a decimal number.

Convert a 32-bit IPv4 address into the 128-bit IPv4-mapped IPv6 address.

An IPv6 Address is a 128-bit address that can be compressed or expanded.

Check if your domain (or website) is using an IPv6 network address.

Divide a IPv4 or IPv6 network into a network address and subnet mask.

Convert CIDR to IPv4 Address range for subnetwork creation.

IPv6 Subnetwork Calculator breaks CIDR into IPv6 subnetwork.

Lookup Autonomous System Number (ASN) for an IP Address.

Reverse lookup DNS for the Hostname mapped to an IP Address.

Lookup DNS for the IP address assigned to the hostname..

Lookup IP Whois Database for ownership of an IPv4 and IPv6 addresses.

A 12-hexidecimal MAC Address lookup to a registered manufacturer.

Generate a desired number of random IPv4 or IPv6 addresses.

Lookup an URL, and determine the location of the web server.

A MAC Address is a 12-digit hexadecimal number that is assigned to a network interface card (NIC). IEEE SA is the registration authority for MAC addresses, and each MAC address block is assigned to a vendor who is registered through IEEE. This lookup tool will find the vendor of the MAC address being looked up.

Divide your IP network into sub-networks by calculating network address known as a subnet mask.

Convert CIDR to IPv4 address range. CIDR allows network adminstrators to efficiently manage subnetworks.

IPv6 Subnetwork Calculator breaks CIDR into IPv6 subnetwork.

Generate crontab syntax based on the hours, minutes, days, months and weekdays as the criteria.

Unix timestamp is stored in seconds beginning from 1/1/1970. The value of 0 will be 1970-01-01 00:00, and the negative numbers will go backwards. The epoch number cease to work on 2038-01-19 due to a 32-bit overflow unless the number is converted to a 64-bit.

Traceroute traverses a route from source to a destination node.

Ping sends a series of ICMP packets to the desitnation node for responses.

Scan open ports and identify the services running on the server.

Calculates amount of protection provided by different RAID levels.

Generate crontab syntax based on the hours, minutes, days, months and weekdays as the criteria.

Generate a htpasswd file from a .htaccess file to restrict access to protected areas.

Improve the performance of your website by minifying the size of the CSS and Javascript files.

Generate a strong password with letters, numbers and symbols.

Generate QR codes for plain texts, web URLs, SMS messages, business cards, or phone numbers.

Convert a decimal number to Binary or Hexadecimal, or vice versa.

Copy and paste your text into the textarea, and we'll count the words and characters for you.

Discover who is hosting your or anyone's website. Get information about the website IP address, name servers and more.

Lookup IP Whois Database for ownership of an IPv4 and IPv6 addresses.

Check if a website is built with Wordpress, and display hosting information.

Find my browser's user agent including platform, OS, and browser version.

Find my screen resolution and browser window sizes in pixels.

Trace a suspicious or malicious URL until no more redirection occurs.

Htaccess Redirect tool to creates a htaccess file with desired redirects.

Check if a website is down for everyone or just you. Sometimes, it isn't clear if a website is down or you're just having trouble with your computer. Use this tool to verify if the site is available for everyone.

Take a photo of QR code, and upload it to our QR Scanner to view content.

Use Lorem Ipsum generator to produce a dummy template for your web page.

Check if a site is using Wordpress, and detect the theme used on the site.

Trace source of an email where it was originated, and the IP address and location of the mail server.

Use this tool to verify if an email address is valid, and also check to ensure mailbox exists and can receive email.

Test your SMTP Server by sending a test email with server credentials.

DKIM validator checks for a DKIM selector in the DNS TXT record on the domain.

Lookup DMARC records for the domain name in the DNS system.

Validate DNS MX records for the domain name, and test the SMTP sessions.

Sender Policy Framework (SPF) is the mail authentication standard used to validate the sender address from forgery.

Enter an email or domain name, and the tool will test mail servers.

Learn Alexa traffic rank of a website, which is based on 3 months of aggregated traffic data from millions of Alexa Toolbars in use.

Trace a suspicious or malicious URL until no more redirection occurs.

Generate sitemap.xml of your entire website online up to 1,000 links.

Validate your sitemap to verify its validity and syntax to let the crawlers know.

Online meta tags analyzer to fetch meta tags and compare with guidelines.

Check if a SSL Certificate is propertly installed and can be trusted.

Check PageRank of any website or webpage by Open PageRank.

Generate a disavow file to protect your site from spammy links.

Check Open Graph metatag within a web page to verify presense of og metadata.

Display response header accompanied with body of the HTTP document.

Copy and paste your text into the textarea, and we'll count the words and characters for you.

Check if a website is down for everyone or just you. Sometimes, it isn't clear if a website is down or you're just having trouble with your computer. Use this tool to verify if the site is available for everyone.

Check if a url has a backlink to your website by auditing reciprocal link.