Internet & Network

Look up DNS records, IP addresses and domain registrations, check HTTP headers and redirects, and work out subnets.

Your connection 3

Domains and DNS 4

DNS LookupOnline
A, AAAA, MX, TXT, NS, CNAME and other DNS records of a domain.
WHOIS LookupOnline
Who registered a domain, when it expires, and its name servers.
DNS Propagation CheckerOnline
Whether public DNS resolvers see your new records yet.
IP Address LookupOnline
Who an IP address belongs to: network, provider and country.

Websites 3

Calculate and parse 3