What is Secure64 and what does it offer?

Updated

Secure64 is a DNS and DDI (DNS, DHCP, and IP Address Management) software company that sells protective DNS and DNS security products, including LineGuard, DNS Guard, DNS Cache, DNS Authority, DNS Signer, DNS Manager, and DNS Proxy. It is aimed at organizations that want to block cyberthreats at the DNS layer rather than only at the endpoint or network edge. According to its site, it has 20 years of DNS experience, supports more than 1.5 billion users globally, and has achieved Protective DNS status as recognized by the U.S. Government.

What Secure64 does

Secure64 positions itself around three outcomes: protecting users, protecting data, and protecting reputation. The mechanism behind all three is the same — inspecting DNS queries in real time and stopping malicious activity before it reaches a user, device, or system.

The company describes DNS as the backbone of the internet that "wasn't built for security." Protective DNS (PDNS) fills that gap by analyzing domain queries as they happen, blocking access to harmful domains, and catching mistyped URLs that could lead to phishing or malware. Secure64 states that its Guard solutions protect billions of users, devices, and systems daily, including computers, servers, and IoT infrastructure, whether deployed in the cloud or on-premises.

Product lineup

Secure64 organizes its products into two broad groups: threat protection and core DNS/DDI infrastructure.

Product Category What it is for
LineGuard Cyberthreat protection & content filtering Blocking malicious domains and filtering content
LineGuard Edge Cyberthreat protection Threat protection at the network edge
Vizion DNS visibility Monitoring and analyzing DNS activity
DNS Guard Protective DNS Real-time blocking of malicious DNS queries
DNS Cache Core DNS Recursive/caching DNS resolution
DNS Authority Core DNS Authoritative DNS service
DNS Signer DNS security DNSSEC signing
DNS Manager DNS management Managing DNS infrastructure
DNS Proxy Core DNS Proxying DNS traffic

Solutions and use cases

Beyond individual products, Secure64 frames its offerings around deployment and migration problems that DNS teams commonly face:

  • Building a secure DNS — hardening the DNS layer as part of an overall security posture
  • DDI solutions — consolidating DNS, DHCP, and IPAM
  • Security services through the DNS — using DNS as a security control point
  • Virtualizing the DNS — moving DNS onto virtual infrastructure
  • Migrating to ENUM — telephone number mapping in DNS
  • Deploying DNSSEC — signing and validating DNS responses
  • Defending against DDoS attacks — protecting DNS availability under attack
  • Transitioning to IPv6 — supporting IPv6 resolution and addressing

Who it is for

Secure64's stated customers are organizations that need DNS to double as a security control — particularly those with large user bases, regulated environments, or government requirements. The site notes that its Protective DNS status is recognized by the U.S. Government, and that the U.S. CISA and NSA maintain a list of pDNS vendors. That makes it relevant to public-sector and critical-infrastructure buyers evaluating protective DNS options, as well as enterprises that want threat blocking to happen before traffic reaches users.

The company also emphasizes "predictable pricing" and says its engineering team builds solutions that are "one-size-fits-you" rather than one-size-fits-all — a positioning point for buyers who expect custom deployment scoping rather than a single flat SKU.

How to evaluate it

If you are considering Secure64, the site provides several resources worth reviewing before a decision: case studies, information documents, white papers, datasheets, and videos, plus a "Try Secure64" entry point and an "Under Attack?" contact path for active incidents. Because pricing is not published on the pages reviewed here, treat cost as something to confirm directly with the company rather than assuming a free or fixed tier.