DNS & Domain Tools
Look up records, check propagation, and inspect any domain.
DNS History Checker
Check the historical DNS records and past IP addresses of a domain name.
DNS Lookup
Query A, AAAA, MX, TXT, NS, SOA, CNAME, SRV and CAA records for any domain.
DNS Propagation Checker
Ask twelve public resolvers worldwide whether your DNS change has landed.
DNS TTL Calculator
Calculate and convert DNS Time-To-Live (TTL) values from seconds to human-readable format.
DNS Zone File Generator
Generate a standard BIND-compatible DNS zone file from scratch.
DNS Zone Validator
Validate BIND DNS zone file syntax and check for missing records.
DNSSEC Checker
Verify DNSSEC signatures, DS records, and DNSKEYs for a domain.
Domain Age Checker
Find out exactly when a domain name was registered and how old it is.
Domain Availability Checker
Check whether a domain is available, across several TLDs at once.
Domain to IP Converter
Instantly resolve any domain name to its underlying IP addresses.
Nameserver (NS) Lookup
Instantly find the authoritative nameservers for any domain.
Punycode Converter
Convert Internationalized Domain Names (IDNs) between Unicode and Punycode.
Reverse DNS Lookup
Perform a Reverse DNS (rDNS) / PTR record lookup on any IP address.
Subdomain Finder
Discover subdomains for any domain using Certificate Transparency logs.
WHOIS Lookup
Look up registration, expiry, registrar, nameservers and status for any domain.