Network and domain lookup

Inspect IP, DNS, WHOIS, HTTP headers, SSL certificates, and connectivity.

AllNetwork and domain lookupSEO and GEO lookupText and developer toolsPrompts and keyword toolsFinance and tax toolsEveryday lookup toolsMath calculatorsChart buildersImage toolsFile tools

Subcategories

This category is split by real user workflows so each tool set is easier to scan.

22 tools
All Network and domain lookup22 tools

Inspect IP, DNS, WHOIS, HTTP headers, SSL certificates, and connectivity.

IP, domains and DNS4 tools

High-frequency IP, geolocation, DNS, and WHOIS lookups.

Subnets, addresses and routing6 tools

IPv4/IPv6 subnetting, address conversion, CIDR aggregation, and random addresses.

Web protocols and certificates8 tools

HTTP headers, compression, SSL, ports, MIME, user agents, and certificate parsing.

GNSS and NTRIP4 tools

NMEA parsing, checksums, NTRIP source tables, and STR generation.

NMEA-0183 sentence parser

Parse common NMEA-0183 GNSS sentences, checksum status, coordinates, fix quality, speed, and satellite fields.

LookupToolChakan

NMEA checksum calculator

Calculate and verify the XOR checksum for NMEA-0183 sentences and generate a standard sentence.

LookupToolChakan

NTRIP Source-Table parser

Parse NTRIP Source-Table STR, CAS, and NET lines for mountpoints, RTCM format, coordinates, authentication, and fee fields.

LookupToolChakan

NTRIP STR line generator

Generate a copyable NTRIP Source-Table STR line from mountpoint, RTCM, coordinate, authentication, and fee parameters.

LookupToolChakan