101 free tools for DNS, IP, and the web

DNS Checker Check DNS propagation Domain DNS Validation Validate your DNS records Reverse IP Lookup Resolve IP to hostname DNS Lookup All DNS records of a domain CNAME Lookup CNAME records of a domain NS Lookup Nameserver records MX Lookup Mail exchange records SPF Record Checker Lookup and validate SPF DMARC Checker DMARC lookup and validation Domain DNS Health Full DNS health report DMARC Generator Generate a DMARC record DNSKEY Lookup DNSKEY record of a domain DS Lookup DS record of a domain DKIM Checker Check DKIM domain keys

Ping IPv4 Address Send ICMP packets to an IPv4 host Ping IPv6 Address Send ICMP packets to an IPv6 host What Is My IP Lookup your own public IP Traceroute Trace the route to a host IP Location Lookup Realtime location of an IP Trace Email Header Track an email sender IP & Email Blacklist Check 50+ blacklists IP to Decimal Decimal value of an IP IP to Hostname Hostname behind an IP IP WHOIS Lookup Who owns an IP address IPv6 WHOIS Lookup Who owns an IPv6 address IPv4 to IPv6 Converter Convert IPv4 to IPv6 Local IPv6 Generator Generate a local IPv6 address IPv6 CIDR to Range CIDR block to IP range IPv6 Range to CIDR IP range to CIDR block IPv6 Compression Tool Compress a long IPv6 address IPv6 Expand Tool Expand a short IPv6 address IP Subnet Calculator Subnets and netmask math IPv6 to IPv4 Converter Convert IPv6 to IPv4 IPv6 Compatibility Does a domain support IPv6 What Is My ISP Find out who your ISP is Domain to IP Lookup Find the IP of a domain

SPF Checker Validate a domain SPF policy DKIM Checker Verify DKIM signatures DMARC Validator Check your DMARC policy DMARC Generator Build a DMARC record BIMI Lookup Brand Indicators for Message Identification MX Lookup Tool Dedicated mail records SMTP Banner Test Inspect SMTP handshakes Email Header Analyzer Trace a message path

SSL Checker Inspect a certificate chain HTTP Headers Response headers for a URL Meta / Open Graph Social and search metadata SERP Preview Google snippet preview robots.txt Generator Generate a robots file htaccess Generator Generate redirect rules URL Rewrite Generator SEO friendly rewrites Broken Link Checker Find dead links Link Analyzer Internal and external links Domain IP Lookup Resolve a domain to an IP Domain DNS Checker Check a domain end to end Open Metrics Honest metrics, no fake PR

Port Checker Check open network ports MAC / OUI Lookup Vendor from a MAC address MAC Address Generator Generate a random MAC ASN WHOIS Lookup Who owns an ASN

SSL Certificate Checker Examine SSL of any site Password Encryption Encode a password or text Password Generator Generate secure passwords Password Strength Checker Measure password strength

HTTP Headers Check Response headers of a URL Website OS Checker Backend server OS MD5 & Base64 Generator Create MD5 and Base64 hashes Multi URL Opener Open many URLs in tabs SMTP Test Tool Test an SMTP server HTACCESS Generator Generate redirect rules URL Rewrite Generator Rewrite SEO friendly URLs Broken Link Checker Find and fix dead links Open Graph Checker Social tags inspector RAID Calculator HDD and SSD RAID maths Binary Translator Binary to text Text to Binary Text to binary JSON Viewer & Beautifier Format and minify JSON Email Verifier Verify an email address

RGB Converter RGB colour converter HEX Converter HEX colour converter CMYK Converter CMYK print colour HSV Converter HSV colour converter

QR Code Generator QR codes for text and URLs QR Code Scanner Read a QR code online Lorem Ipsum Generator Generate dummy text Time Card Calculator Work hours calculator BIN Checker Lookup BIN data Credit Card Validator Luhn validity check Reverse Image Search Perform an image lookup Name Checker Social username availability Online Notepad Free online text editor Small Text Generator Make smaller font text Word Counter Count words and characters Domain Name Search Domain availability ROT13 Encoder ROT13 encode and decode Morse Code Translator Translate Morse code BIMI Record Lookup BIMI checker and generator Image to Text Convert photos to text Invisible Character Invisible text generator Internet Speed Test Test your connection

Minecraft Colour Codes Minecraft format and colours