nicovideo.jp

The scan results are broadly reassuring at the time of this scan. No detections were reported by 0 out of 91 security engines, and the domain was shown as clean by the checked malware and phishing blacklist databases. The domain is also longstanding, with a registration age of about 19 years, and it has a meaningful traffic footprint, which tends to be more consistent with an established platform than with a throwaway or newly created risky site.

One scanner did report a malicious threat level and flagged 2 JavaScript assets, but no malware family names were provided and there was no corroboration from other security engines or blacklist databases. In this context, those file-level findings may represent low-confidence heuristic matches rather than confirmed malicious content. Based on available data, no threats were detected at the time of this scan.