Free DNS Lookup Tool — Check Propagation Across Global Resolvers

Our DNS lookup tool queries 12 major DNS resolvers across the globe simultaneously — similar to whatsmydns.net — so you can see whether your DNS changes have propagated worldwide or are still cached on some servers. Essential after changing nameservers, updating A records, or reconfiguring MX/SPF records.

Why Query Multiple Resolvers?

DNS records are cached by resolvers for the duration of their TTL (Time To Live). After making a DNS change, different resolvers around the world will see the new record at different times. By querying multiple resolvers simultaneously, you can see exactly which have the new record and which are still serving the old cached value — and estimate when propagation will be complete.

DNS Record Types

• A — IPv4 address mapping. The most common record.
• AAAA — IPv6 address mapping.
• MX — Mail exchange servers and their priority.
• CNAME — Canonical name alias — points one name to another.
• TXT — Text records — used for SPF, DKIM, DMARC, domain verification.
• NS — Authoritative nameservers for the domain.
• SOA — Start of Authority — zone metadata including serial number.
• CAA — Certificate Authority Authorisation — controls SSL issuance.