ThreatWatch360 Brochure
Brand Protection
A Digital Risk Protection Platform
Cyber Threat Intelligence Solution
Domain & Subdomain Discovery
How ThreatWatch360 maps your domain footprint Domain & Subdomain Discovery?
Most organizations know their main website — but not the dozens or hundreds of subdomains, staging environments, and shadow assets spun up over the years. ThreatWatch360 continuously maps your full domain footprint, combining passive intelligence with active enumeration to surface every domain and subdomain an attacker could find, including the ones missing from your own records.
- Root domains and every subdomain beneath them
- Forgotten, legacy, and shadow-IT assets
- Newly created subdomains, the moment they appear
Key Feature
Seed & root domain mapping
We start from your known domains and expand outward using WHOIS, ASN, and registration data to find every root domain your organization owns — including acquisitions and regional brands.
Passive enumeration
Surface subdomains without ever touching your infrastructure, using certificate transparency logs, passive DNS, and threat-intelligence datasets for stealthy, low-noise discovery.
Active enumeration
Go deeper with intelligent DNS brute-forcing and name permutation, resolving thousands of candidate hostnames to catch subdomains that passive sources alone would miss.
DNS record mapping
Resolve and record the full DNS picture for each asset — A, AAAA, CNAME, MX, NS, and TXT records — so you know exactly what every name points to and how it's configured.
Historical & archived records
Uncover retired and forgotten subdomains using historical internet records and web archives — revealing assets that dropped off your radar but are still reachable and exploitable.
Continuous re-discovery
Your footprint never stops changing. We continuously re-scan for newly registered domains and freshly created subdomains, alerting you the moment your attack surface grows.
How It Works
How ThreatWatch360 Handles Domain & Subdomain Discovery
How our discovery finds what others miss: domain and subdomain discovery combines multiple intelligence sources and techniques so nothing on your perimeter slips through the cracks. Passive sources surface assets without touching your infrastructure, active enumeration resolves the candidates those sources never see, and historical records recover what you have already retired — all re-run continuously so the map keeps pace with your footprint.
Why Choose ThreatWatch360 for discovery?
- Comprehensive visibility: Discover and monitor every internet-facing domain and subdomain, so nothing on your external attack surface goes unseen.
- Fast, efficient discovery: Spot new, unknown, and unmanaged assets in real time as your digital footprint changes.
- Stronger security: Eliminate blind spots, reduce risk, and strengthen your organization's overall security posture.
Frequently Asked Questions
Quick Answers to Your Questions
What is domain and subdomain discovery?
It's the process of finding every domain and subdomain your organization exposes to the internet — not just your main website, but the subdomains, staging environments, and shadow assets teams create over time. It's the foundation of attack surface management: you can't secure what you don't know exists.
How does ThreatWatch360 find subdomains I don't know about?
We combine passive sources — certificate transparency logs, passive DNS, and threat-intelligence datasets — with active DNS enumeration and name permutation. Together these surface subdomains that never appear in your own asset inventory, including forgotten and legacy ones.
Does discovery send traffic to my infrastructure?
Passive discovery surfaces assets without ever touching your infrastructure, using third-party records and public datasets. Active enumeration resolves candidate hostnames through DNS. Either way, discovery is designed to be safe, low-noise, and non-disruptive to your live services.
How quickly will I be notified about newly discovered assets?
ThreatWatch360 monitors your footprint continuously and sends real-time alerts the moment a new domain or subdomain appears. You can act on changes as they happen, instead of waiting for the next scheduled scan or report.
Why do forgotten subdomains matter for security?
Forgotten and unmanaged subdomains — old staging sites, retired apps, abandoned services — often run outdated software and miss security controls, making them easy entry points. Attackers actively hunt for them, and misconfigured DNS records can even lead to subdomain takeover. Surfacing these assets is the first step to closing those gaps.
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