This is your favorite Domain Checker Tool which lets you easily search for available domain names and keep a local list of favorite addresses for future tracking.

Whois & DNS Lookup tool allows you to perform WHOIS lookups for:
  - Domain name registrations for all currently existing TLDs with public whois-service available
  - Domain Availability Checker for all currently existing TLDs with public whois-service available
  - SEDO (sedo.com) domain aftermarket auction searching
  - GoDaddy (godaddy.com) domain aftermarket auction searching
  - IPv4 addresses
  - IPv6 addresses
  - IP address reverse lookup
  - AS number registrations
  - NIC handle registrations 

It also allows you to perform DNS lookup of A, AAAA, AXFR, CNAME, NS, MX, PTR, RRSIG, SRV, SPF and TXT record types (simultaneously). And ofcourse _dmarc and _domainkey records checking.

And ofcourse Dark-mode/Night-mode support!

Simple Whois Lookup and DNS Lookup tool for Domain name and IPv4/IPv6 addresses