DNS lookup
Any record type from your choice of resolver, with DNSSEC flags, TTLs, distinct outcomes and every answer clickable.
Resolution, registration data, email authentication and certificate transparency.
7 tools, 1 of them local. 0 available, 7 planned.
Any record type from your choice of resolver, with DNSSEC flags, TTLs, distinct outcomes and every answer clickable.
The same query against several public resolvers side by side, from one vantage point.
Registration data for domains, IPs and ASNs via RDAP with WHOIS fallback; expiry, nameservers, registrar and status codes explained.
SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, MX, DANE and DNSSEC for a domain, with generated fix records and a graded scorecard.
Open a DMARC aggregate XML, .gz or .zip and read it as a table, in your browser.
Issued certificates for a domain: issuers, SANs, first and last seen, and the subdomains they reveal.
Zone sanity: NS consistency, SOA serials, lame delegation, open resolvers, glue, CAA and DNSSEC chain.