Full DNS Diagnostics
IntoDNS.run
Free DNS Diagnostics Tool — Check NS, SOA, MX, PTR and Glue Records
Real DNS resolution — NS, SOA, MX, WWW, PTR, glue records and RFC validation
Run a full DNS health check on any domain — test nameserver configuration, validate mail server records, inspect glue records, and get actionable suggestions backed by RFC documentation.
Analyzing
Querying parent TLD nameservers
Fetching NS records & resolving IPs
Testing each nameserver directly
Reading SOA record
Resolving MX records & PTR lookups
Checking WWW A / AAAA records
Running RFC checks