11 Services from ipv4.fr

Performs a comprehensive security audit of a domain, checking DNS, TLS/SSL, HTTPS, email configuration (DMARC/SPF), and blacklists, then returns a graded report with actionable findings.

Looks up enriched company intelligence for a given domain, returning name, industry, technology stack, social profiles, email/DNS providers, products, and more.

Fetches a public URL and converts its HTML or plain text content into clean Markdown, with an optional AI-generated summary and key points.

Fetches a public PDF file by URL and returns its content as AI-reconstructed Markdown text

Checks whether a given IPv4 address appears on spam/abuse blacklists and returns a clean/listed status with count

Validates an email address by checking syntax, disposability, and MX records

Fetches HTTP response headers from any URL or domain via a server-side GET request

Returns geolocation data (city, country, ISP) for a given IPv4 address

Performs DNS record lookups for a given domain, returning A, AAAA, MX, TXT, CNAME, NS, and SOA records.

Retrieves WHOIS registration data for a given domain, including registrar, creation date, and ownership details

Checks the SSL/TLS certificate validity and days remaining for a given hostname