Development preview. dotbunker is still being built. Some of the data shown here, including registrar prices, is sample data and should not be relied on.

dns

dotbunker

DMARC Checker

Read a domain's DMARC record, check its policy and alignment settings, and verify that report addresses on other domains are authorised.
devices

Runs in your browser

Your browser asks public resolvers and registries directly. The query never passes through dotbunker.

Data sources

DNS over HTTPS · Cloudflare · Google