Check the SPF, DMARC and DKIM records of any domain and get coded issues, a grade and a score, plus MTA-STS, TLS-RPT, BIMI and MX checks.

Accurately verify emails by evaluating format, domain, MX, SPF, DMARC, blacklists, reliability, and detecting disposable, suspicious, or role-based emails.

Retrieve essential information from your emails securely with our Blacklist Email Check API, ensuring privacy and accuracy.

Finds the weak points in a website Content Security Policy that undermine script-injection protection. Returns one graded JSON report with a verdict, grade and stable issue codes.

Validate and verify email addresses securely to enhance user trust and reduce fraud with our Trusted Email Checker API.

Access detailed and secure email information with our Fetch Secure Email Information API, enhancing data management and security.

Securely retrieve and manage comprehensive email data effortlessly with our Email Blacklist Lookup API for enhanced efficiency.

Validate email content to ensure authenticity and reduce spam with our Real Email Validator API, protecting your brand's integrity.

Email validation API with honest domain-level scope: syntax, MX, disposable and role signals, typo suggestions, domain age and a 0-100 score. Single and batch up to 100.

Validate emails at signup: syntax, MX, disposable/temp-mail (98,644 domains), free-provider and role-account flags, and typo suggestions. Batch up to 50. No SMTP probing.

The Domain SEO Score Checker API allows you to efficiently analyze key SEO elements, such as meta tags, headers and links, providing detailed reports.

The Email Quality Checker API authenticates email addresses by detecting temporary or disposable ones, playing a crucial role in preventing spam and fraud.

This API verifies SSL certificates from any website and returns their validity, dates, issuer, protocol, fingerprints, and authorized domains.

This API validates email addresses, detecting disposable or forwarding domains, analyzing MX records, and providing detailed heuristic insights and risk assessment.

Audit email authentication records for any domain. Checks SPF, DKIM, and DMARC configurations, validates DNS records, and identifies security vulnerabilities in email infrastructure.

The Text Spam Checker API is a tool for quickly and accurately identifying spam messages in real time. It uses advanced algorithms and machine learning models to classify messages based on their content

Verify emails in real time, detect valid domains, correct formatting, MX records, gravatars, and blacklists to ensure reliable deliverability.

Be able to verify and validate any SSL certificate present on a website. Receive extensive information about the host

Check any domain's email deliverability & health (SPF, DMARC policy, MX provider, WHOIS domain age, hosting, disposable/catch-all, 0-100 score) and verify any email address (SMTP, MX, disposable, role, catch-all). Live data, not a stale database.

Domain mail-authentication audit API: MX, SPF, DMARC and DKIM-selector checks from public DNS, a 0-100 configuration completeness score, plus address screening.

Check any website's HTTP security headers (Strict-Transport-Security, Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy

The API evaluates IP addresses and returns a risk score along with a rating of low, medium, or high risk.

Inspect the security certificate of any host: issuer, subject, validity window, days remaining, expiry flags, alternative names, serial number, fingerprint, negotiated protocol and the full chain. Built for expiry monitoring and renewal alerts.

Give it a URL (and optionally the Origin to check) and it checks that server's CORS response headers (Access-Control-Allow-Origin, -Methods, -Headers, -Credentials, -Max-Age) using both a simple

The Email Check API validates emails with checks for formatting, DNS, suspicious activity and disposable domains. Provides a confidence score and suggestions for specific actions.