Is cdn3.optimizely.com malicious?
Domain reputation report for cdn3.optimizely.com: blocklist detections, WHOIS, DNS security posture and threat intelligence, aggregated from 100+ sources.
cdn3.optimizely.com is listed on 16 threat intelligence sources
Detected by 16 threat intelligence sources in the isMalicious dataset — review before trusting this domain.
Threat verdict
VerdictListed on blocklists
Appears on threat intelligence blocklists — treat with caution.
Blocklist detections16 sources
Categoriesads, malware, phishing, tracking, analytics
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-05-25
Last updated2026-05-25
Detections
- Blocklist Project - Ads List.txtads
- Blocklist Project - Everything List.txt
- HAGEZI - Ultimate.txtmalware
- Seb Sauvage - Hostsmalware
- Hyder365 - Combined.txtphishing
- 13MrBlackCat13 - Malicious Domains.txtmalware
- Steven Black - Hostsphishing
- Hectorm - Hmirror - Adaway.orgads
- Codeberg Org - Blocklist.txtmalware
- AdAway Hostsads
- 1Hosts Lite – balanced hosts fileads
- 1Hosts Xtra – aggressive hosts filemalware
- HaGeZi Pro Plus – very heavy DNS blocklistads
- HaGeZi Pro – heavy DNS blocklistads
- DeveloperDan Ads & Tracking (extended)ads
- AdAway Default Blocklistads