OpenText Core DNS Protection is a commercial intrusion detection and prevention systems solution by OpenText Cybersecurity. threatER is a commercial intrusion detection and prevention systems solution by threatER. Features, integrations, deployment and the company behind each one, side by side.
Cloud-native DNS filtering solution that blocks malicious domains and threats
Preemptive threat blocking platform using IP segmentation and DNS security.
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Based on what each listing shows: deployment, company size, price and open source.
threatER fits if you are a startup.
Common questions when comparing OpenText Core DNS Protection vs threatER for intrusion detection and prevention systems.
OpenText Core DNS Protection: Cloud-native DNS filtering solution that blocks malicious domains and threats, built by OpenText Cybersecurity.
threatER: Preemptive threat blocking platform using IP segmentation and DNS security, built by threatER.
The table above shows where their features, integrations, deployment and company size fit differ.
OpenText Core DNS Protection is made by OpenText Cybersecurity. threatER is made by threatER. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. OpenText Core DNS Protection and threatER are both Intrusion Detection and Prevention Systems products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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