DNS Propagation Checker
Compare how public resolvers worldwide answer the same DNS query, with TTLs and consensus.
DNS Records Checker
Look up A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV and PTR records for a domain.
DNSSEC Checker
Checks DNSKEY, DS, RRSIG and resolver validation to assess a zone's DNSSEC status.
Domain to IP Lookup
Resolve a domain to its IPv4 and IPv6 addresses, with hosting location and network owner.
NS Lookup
List a domain's nameservers and check they are in sync with each other.
Public DNS Servers
Browse verified public DNS resolvers by country, with operator, ASN and response time.
Reverse DNS Lookup
Find the PTR (reverse DNS) record for an IP address and forward-confirm it.