domainocean

Domain utilities

Domain tools

Run quick checks on any domain — WHOIS, DNS, subdomains, SSL, and reverse DNS.

WHOIS lookup
Registration dates, registrar, status, and nameservers via RDAP.
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DNS records
A, AAAA, MX, TXT, NS, CNAME, and SOA records for a host.
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Subdomain scan
Probe common subdomains for live DNS records.
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SSL certificate
Certificate issuer, validity window, and SAN names on port 443.
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Reverse DNS
PTR records for an IP address or the IPs behind a domain.
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