Domain & Infrastructure Mapping
Map digital infrastructure to uncover relationships between domains, IPs, and organizations.
Infrastructure mapping reveals the hidden connections between domains, IP addresses, hosting providers, and organizations. This technique is crucial for investigating phishing campaigns, tracking threat actors, and understanding corporate structures.
You'll learn to perform DNS analysis, track domain registration patterns, map hosting infrastructure, identify related domains through shared resources, and visualize complex infrastructure relationships.
These skills help security researchers identify attack infrastructure, journalists uncover corporate connections, and investigators track malicious operations.
- 1
Start with a domain and perform WHOIS lookup for registration details
- 2
Query DNS records (A, AAAA, MX, NS, TXT) for infrastructure information
- 3
Perform reverse IP lookup to find other domains on the same server
- 4
Check SSL/TLS certificates for subject alternative names (SANs)
- 5
Search certificate transparency logs for related domains
- 6
Map nameserver relationships to identify domain portfolios
- 7
Analyze hosting patterns and ASN information
- 8
Track historical changes using DNS history tools
- 9
Visualize relationships using network graph tools
Shared hosting can create false positives - verify with other indicators
Look for patterns in domain registration dates and registrars
Privacy-protected WHOIS can sometimes be pierced with historical data
Certificate SANs often reveal related domains managed by same entity
Nameserver clustering is a strong indicator of related domains
Track email addresses in WHOIS for domain portfolio discovery
Use passive DNS to see historical IP associations
Free hosting and CDNs like Cloudflare can mask real infrastructure
Share your own tips or learn from the community's experience
Share Your Tip
I've found that combining multiple reverse image search engines in parallel significantly improves results. Don't rely on just one!
Always document your methodology step-by-step. This helps with reproducibility and explaining your findings to others.