Network Tools

Discover free online tools to assist with various networking tasks.

DNS Lookup

Check DNS records (A, AAAA, MX, TXT, CNAME, NS, SOA, PTR) & DNS propagation.

Enter an IP or domain, see geo, ASN/ISP, reverse DNS, CIDR.

Check SSL/TLS certificate validity, issuer, and expiration date.

Check domain registration info, registrant data, and domain expiry date.