Check DNS globally. See where answers differ.

Compare live DNS answers, TTLs, and response codes across major public resolvers.

Run a DNS check

Cloudflare, Google, Quad9, OpenDNS

Queries major public resolvers and compares the answers.
DNS route model53 / UDP + TCP

Choose a focused check

Start with a propagation check or inspect one record type.

View all tools
ADNS propagation checkerCompare public resolver answers to see whether DNS changes are appearing consistently.AA record lookupCheck IPv4 address records and compare TTL, response time, and answer consistency.MXMX lookupCheck mail exchanger hosts and priorities across public resolvers.TXTTXT record lookupCheck TXT records used by SPF, DKIM, DMARC, site verification, and other services.ADNSSEC checkerInspect resolver behavior for DNSSEC-related symptoms such as SERVFAIL patterns.NSNS lookupCheck nameserver records and spot delegation differences.