Network diagnostics, domain analytics, DNS inspection, and infrastructure tools
Check your public IP address, Internet Service Provider (ISP), country, and geolocation details.
Encode/decode special characters in URLs and parse query strings and UTM parameters into an organized table.
Query domain registration dates, expiration timelines, registrars, and Name Servers directly via RDAP.
Query A, AAAA, MX, TXT, CNAME, and NS records client-side using Cloudflare DNS-over-HTTPS API.
Open multiple web links simultaneously in separate tabs with customizable interval delays.
Generate Apache .htaccess rules for HTTPS redirection, WWW prefix preferences, custom 404s, and GZIP.
Validate email address syntax against RFC 5322 standards and detect throwaway temporary mailboxes.
Convert internationalized domain names (IDNs) to ASCII Punycode (xn--) and decode Punycode back to Unicode.
Parse and detect browser version, operating system, rendering engine, and device type from any User-Agent.
Complete searchable dictionary and guide for all standard HTTP response status codes.
Calculate network address, broadcast address, netmask, wildcard mask, and usable host range for any IPv4 CIDR subnet.
Convert standard dotted-decimal IPv4 addresses into decimal integers, hexadecimal, binary, and IPv6-mapped forms.
Expand an IPv4 start-end range or CIDR block into an individual list of all discrete IP addresses.
Generate RFC 4193 compliant unique local IPv6 address prefixes (ULA, fd00::/8) for private networks.
Generate random MAC addresses in multiple formats (colon, hyphen, or plain) with unicast/multicast toggles.
Lookup the hardware vendor (OUI) associated with a MAC address including Apple, Cisco, Samsung, and Intel.
Generate random, conflict-free TCP/UDP port numbers in the registered or dynamic/ephemeral range.
Decode Microsoft Outlook SafeLinks, Proofpoint URL Defense, and Google redirect URLs to reveal the original destination.
Search standard TCP & UDP network port numbers, service protocols, and security risk levels.
Browse and generate authentic User-Agent strings for desktop browsers, mobile devices, and crawlers.
Comprehensive guide to DNS record types (A, AAAA, CNAME, MX, TXT) and TTL propagation delay calculator.
Generate RFC-compliant SPF (v=spf1) and DMARC (v=DMARC1) DNS TXT records with presets for Google Workspace, Microsoft 365, and Amazon SES.
Generate ready-to-deploy WireGuard VPN server (wg0.conf) and client peer configuration files with PostUp/PostDown NAT masquerading rules.
Generate production-ready Nginx reverse proxy server blocks with HTTP/2, Let's Encrypt SSL, WebSocket upgrade headers, and security directives.
Calculate optimal interface MTU and TCP Maximum Segment Size (MSS) across Ethernet, PPPoE, WireGuard, IPSec, and VXLAN tunnels to prevent packet fragmentation.
Convert any 48-bit MAC address into its 64-bit Modified EUI-64 interface identifier, IPv6 fe80:: Link-Local address, and Cisco dotted format.