The phrase "dns manager for whmcs nulled 525 funny gewerbli link" appears to be a specific string associated with malicious search engine optimization (SEO) spam phishing campaign

Finding and using "nulled" versions of WHMCS modules—like a DNS Manager—might seem like a quick way to save money, but it usually ends up costing much more in the long run. Why "Nulled" Software is a Risk

designed to lure users into downloading compromised software