SOA Lookup
Show the Start of Authority record: primary NS, serial, refresh, retry, expire and TTL values.
About the SOA Lookup tool
Show the Start of Authority record: primary NS, serial, refresh, retry, expire and TTL values.
Tip: from any lookup box on the site you can type soa:example.com to run this tool directly.
Results are generated live by querying the authoritative name servers of the domain, so changes you just published show up immediately. Each finding is graded as an error, warning or pass and explained so that you know what to fix and why it matters.
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Get alerted when this check starts failing, when you land on a blacklist or when a certificate or domain is about to expire.
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