WHOIS lookups are a viable way for cybersecurity professionals to analyze domains’ integrity. Though they may seem less exciting than, say, deploying some nifty pen-testing tools, WHOIS lookups remain useful as a first step in catching threat actors.
In fact, identifiers in WHOIS records can clue investigators in on a domain’s past usage and allow them to pinpoint indicators of compromise (IoCs) residing within their networks. With WHOIS data, they can also identify domain associations and effectively map attacks that happened or could happen on their infrastructure. Read on to learn more about why conducting website domain searches is critical to your digital operations, and how WHOIS API and WHOIS Lookup can facilitate it.