Everything You Need to Check Your Website
Comprehensive diagnostic tools for websites, domains, DNS, security, and email configuration.
Website Health Check
Single-pass full system audit
Run a full diagnostic on any domain: SSL, DNS, headers, and email security in one scan.
SSL Certificate Check
Verify certificate validity, expiry date, and chain of trust.
DNS Lookup
Inspect A, AAAA, CNAME, TXT, and NS records for any domain.
MX Record Lookup
Check mail server priority and routing for a domain.
IP Address Lookup
Resolve a domain or IP to its host, region, and network provider.
WHOIS & RDAP Lookup
Look up registrar, registration dates, and ownership records.
SPF Record Check
Confirm which servers are authorized to send mail for a domain.
DMARC Record Check
Check policy enforcement against spoofed and phishing email.
DKIM Record Check
Validate signing keys used to authenticate outgoing mail.
Security Headers Check
Scan for missing CSP, HSTS, and other protective response headers.
HTTP Headers Check
View the raw response headers returned by any URL.