DNS Services

Managed DNS and domain services

The Domain Name System (DNS) is the internet's address book, translating human-readable domain names into the IP addresses that computers use to communicate. Every time a user visits a website, sends an email, or connects to a cloud application, a DNS lookup occurs. Despite its foundational role, DNS is frequently overlooked in infrastructure planning — yet its performance and resilience directly affect the availability and speed of every online service an organisation operates. For UK businesses, the quality of DNS services has grown significantly in importance as cloud adoption accelerates. With applications distributed across multiple cloud providers and SaaS platforms, DNS has evolved from a simple resolution service into a sophisticated traffic management and security layer. Managed DNS providers offer capabilities well beyond basic resolution, including global load balancing, health-check-driven failover, geographic routing, and latency-based steering — enabling organisations to optimise user experience and maintain service continuity even when individual cloud regions or data centres experience issues. DNS security is an increasingly urgent concern. DNS-based attacks — including DNS hijacking, cache poisoning, and DDoS amplification — represent a significant and growing threat vector. DNS Security Extensions (DNSSEC) provide cryptographic validation of DNS responses, while DNS firewall capabilities can block resolution of known malicious domains, providing an effective layer of protection against malware, ransomware command-and-control infrastructure, and phishing campaigns. For organisations subject to regulatory oversight, DNS logging and monitoring can contribute to audit trails and incident response capabilities. Managed DNS services are relevant to any organisation that runs public-facing websites or APIs, operates multi-cloud or hybrid infrastructure, or requires guaranteed DNS availability as part of their business continuity strategy. When evaluating DNS providers, UK organisations should assess query response times across UK and European PoPs, the provider's published SLA for uptime, and the sophistication of traffic management features. DNSSEC support and DNS firewall capabilities are important security baseline requirements. Integration with domain registrar services, support for modern record types including IPv6 AAAA records and CAA records, and the quality of the management API for automated DNS management should also factor into evaluations. Understand how pricing scales with query volume, as high-traffic domains can generate substantial costs with usage-based models.

Why choose DNS Services?

Ensure application availability with resilient, high-availability DNS infrastructure.
Reduce latency with global anycast networks delivering fast DNS resolution.
Block malicious domains at the DNS layer before threats reach your network.
Manage traffic intelligently with geo-routing and health-check-based failover.

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