Zscaler Internet Access is listed under DNS and web filtering by Zscaler. The 12 alternatives below are listed in the same category and are compared on starting price, features and reviews from other MSPs.
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Cloudflare Gateway DNS and web gateway filtering via Cloudflare's global edge network, with policy-based access control. 
DefensX Browser security with AI protection and DNS filtering for MSPs, quote-only pricing with flexible tiers. 
Cisco Umbrella Cloud DNS filtering and secure web gateway for multi-site networks and roaming users. 
Infoblox Threat Defense Cloud-native DNS security with predictive threat intelligence and agentless deployment. 
NordLayer Cloud VPN and ZTNA with DNS filtering, from $8 per user per month. Zscaler Internet Access vs NordLayer
WebTitan DNS filtering and malware blocking for MSPs managing multiple client networks. 
DNSFilter AI-powered DNS filtering and threat blocking for networks and roaming devices. Zscaler Internet Access vs DNSFilter
Todyl A single agent bundling SASE, EDR, SIEM and MXDR, sold in three tiers priced on request. 
SafeDNS Cloud DNS filtering priced per user with 24/7 support and MSP white-labeling. Zscaler Internet Access vs SafeDNS
Heimdal DNS Security Enterprise DNS filtering and threat detection with cloud and endpoint deployment for MSPs. 
DNSSense DNS-layer threat detection with AI-powered protection and domain intelligence, priced on request. 
OpenText Core DNS Protection DNS-layer threat blocking with agent-based enforcement for remote and hybrid endpoints. | Feature | Zscaler Internet Access | Cloudflare Gateway | DefensX | Cisco Umbrella | Infoblox Threat Defense | NordLayer | WebTitan |
|---|---|---|---|---|---|---|---|
| DNS-layer blocking | yes | yes | yes | yes | yes | yes | yes |
| Content category filtering | yes | yes | yes | yes | yes | yes | yes |
| Roaming agent for off-network devices | yes | yes | yes | yes | yes | yes | yes |
| Secure web gateway | yes | yes | yes | yes | yes | yes | unknown |
| Multi-tenant dashboard | yes | yes | yes | yes | yes | yes | yes |
| Per-site policy | yes | yes | yes | yes | yes | unknown | yes |
| RMM integration | no | unknown | unknown | unknown | unknown | no | unknown |
| Threat intelligence feed | yes | yes | yes | yes | yes | yes | yes |
| SafeSearch enforcement | unknown | unknown | unknown | unknown | unknown | unknown | yes |
| Reporting and audit log | yes | yes | yes | yes | yes | yes | yes |
| Custom block and allow lists | unknown | unknown | yes | yes | yes | unknown | unknown |
| Network-wide router deployment | no | yes | unknown | yes | yes | yes | yes |
Cloudflare Gateway, which matches 8 of the 8 features Zscaler Internet Access supports.
