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Read your domain the way the internet reads it.
We ask the registry first, then every one of your own name servers, one packet at a time, and write down what each of them answered.
Try: google.comwikipedia.orggithub.comelpais.com
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What the report covers
- The registry
- Delegation and glue records read straight from a server of your top level domain, plus registrar and expiry dates over RDAP.
- Your name servers
- Authority flag, serial numbers in sync, open recursion, TCP, EDNS, zone transfers, network diversity and response times.
- MX hosts and their reverse DNS, SPF with a real lookup count, DKIM, DMARC, MTA-STS, TLS-RPT, DANE and eight public blocklists.
- Security and modern records
- DNSSEC end to end, CAA, NSEC3, HTTPS/SVCB, IPv6 and the SOA timers that decide how fast a change spreads.
Separate tools
- Propagation checker — one record, twenty-two resolvers.
- Record lookup — every record type of a domain at once.
- Blocklist check — is your mail server listed?
- Check guide — what each result means and how to fix it.
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