Domain Lookup
Check registration, DNS, hosting, and SSL for any domain.
Looking up domain…
Checking registration, DNS, hosting, and SSL. This may take a few seconds.
Domain Availability
Check whether a domain name is registered or available for purchase.
WHOIS Lookup
Retrieve registration, registrar, and expiry information for any domain.
Nameserver Lookup
Look up the authoritative nameservers for any domain name.
DNS Dig Lookup
Query DNS records (A, AAAA, MX, TXT, CNAME, and more) the way dig does, right in your browser.
DNS Propagation Checker
Check DNS propagation across multiple global resolvers including Google, Cloudflare, and Quad9.
SSL Checker
Check SSL certificate validity and expiration for any domain.
SPF & DMARC Checker
Validate SPF records, check include chains, and inspect DMARC policy alignment.
Geo IP Lookup
Look up ASN and geographic information for any IPv4 or IPv6 address.