Viewdns Tools

ViewDNS Tools (viewdns.info) is a comprehensive domain and network intelligence platform offering over 20 different DNS, WHOIS, and network analysis tools in a single interface. It provides reverse IP lookup, DNS propagation checking, WHOIS history, port scanning, and various other reconnaissance capabilities.

For OSINT investigators, ViewDNS is most valuable for its reverse IP lookup and WHOIS history features. Reverse IP lookup identifies all domains currently hosted on a specific IP address — a critical technique for discovering the full scope of an actor's web infrastructure or finding related fraudulent domains hosted on the same server.

When a malicious domain is identified and its hosting IP is resolved, reverse IP lookup at ViewDNS frequently reveals additional fraudulent domains on the same server. Criminal actors often host multiple fraud sites, phishing pages, or malware distribution points on the same IP address. Each co-hosted domain is a potential new investigation lead.

WHOIS history preserves historical registration records for domains across time, showing how registrant information, name servers, and registrars have changed. This historical record is essential because current WHOIS data is often hidden behind privacy services — historical records from before privacy protection was applied may contain unredacted personal information.

The IP geolocation and ISP lookup functions provide quick organization and location context for any IP. The DNS propagation checker is useful for verifying whether a domain's DNS records have propagated globally after changes — relevant when monitoring whether a malicious domain is still resolving after takedown action.

ViewDNS's port scan function provides a basic external view of open ports on a target, though for authorized assessments, dedicated tools provide more comprehensive results.

The platform's broad feature set makes it efficient for initial domain and IP reconnaissance — investigators can perform multiple types of lookups without switching between numerous specialized tools.

Document all ViewDNS tool outputs with the specific tool used, query input, results returned, and query timestamp.