DNS Health Check
Analyze DNS configuration and authoritative name servers.
What this test checks
Delegation, authoritative nameservers, NS consistency, SOA, A, AAAA, MX, CAA and DNSSEC signals.
Why this matters
A DNS delegation or authoritative-server problem can break multiple services at once.
How to fix common problems
Compare parent delegation with authoritative responses and correct inconsistent or missing records.
FAQ
Does this change DNS?
No. Every public tool is read-only.