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DNS & Infrastructure
DNS Propagation
Check DNS records (A, AAAA, MX, TXT, CNAME) from resolvers around the world. See propagation status at a glance.
About this check
Check DNS propagation across global resolvers.
Frequently asked questions
- What does the DNS Propagation actually check?
- Check DNS propagation across global resolvers.
- Is this really free?
- Yes. Every on.bo tool is free, no signup required, no rate-limit tricks.
- Do you store the data I check?
- We log minimal metadata to keep the service healthy. Lookups themselves are not retained beyond short-term caching.