Security Intelligence Tools
Professional-grade tools for DNS, WHOIS, IP attribution, SSL inspection and HTTP security header analysis — free, instant, no sign-up.
Free tools
DNS Checker
Lookup A, AAAA, MX, NS, TXT and CNAME records. Verify propagation across resolvers.
WHOIS Lookup
Registration details, registrar, nameservers and ownership history for any domain or IP.
IP Lookup
Geolocate an IP address, identify its ASN, network provider and hosting type.
SSL/TLS Analyzer
Inspect certificate validity, issuer chain, expiry, key strength and TLS configuration.
Security Header Analyzer
Review a site's HTTP security headers — CSP, HSTS, X-Frame-Options, and more.
PRO tools
Unlock allIncluded with TLINK PRO & MSSP plans
IP reputation, exposure scanning, email deliverability and threat feed lookups — plus asset monitoring, alert rules and full report history.
IP Reputation Checker
Cross-reference an IP against AbuseIPDB, VirusTotal and 20+ threat intelligence databases.
Exposure Scanner
Discover open ports, running services and externally visible attack surface via Shodan.
Email Deliverability
Validate SPF, DKIM, DMARC, MX routing, and check for HIBP breach exposure.
Threat Feed Lookup
Cross-reference domains, IPs and file hashes against curated threat intelligence feeds.