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Q & A DNS & Records · August 21, 2026

Why do I see different DNS results from different tools?

DNS resolvers cache records for a period defined by the TTL (Time to Live) value on each record. If you changed a record recently, some resolvers are serving the cached old value while others have already fetched the new one. This is normal during propagation. Use DomainScan’s propagation checker to see what resolvers worldwide currently have.

Read the full guide
How to Read DNS Records: A Practical Guide
A records, MX, CNAME, TXT, SOA — DNS records aren't hard once you understand the pattern. This guide decodes each type with real examples and tells you what to look for when things break.
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