DNS lookup, WHOIS, passive-DNS history, IP reputation, and subdomain enumeration procedures. Auto-load when nslookup / dig / whois / host is mentioned, when investigating DNS records (A, NS, MX, CNAME, TXT), when researching historical nameservers, when checking IP reputation (AbuseIPDB, ipinfo.io),
DNS lookup, WHOIS, passive-DNS history, IP reputation, and subdomain enumeration procedures. Auto-load when nslookup / dig / whois / host is mentioned, when investigating DNS records (A, NS, MX, CNAME, TXT), when researching historical nameservers, when checking IP reputation (AbuseIPDB, ipinfo.io), when enumerating subdomains (HackerTarget, crt.sh, SecurityTrails), or when reasoning about registr