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Explore useful UK articles about web security, with practical explanations and next steps for your website.
Domain namesAnycast DNS distributes a service across multiple network locations, but the nearest route is not always the nearest city. Learn how it works, which failures it can help absorb, and how to assess speed and resilience using evidence from your audience.
Domain namesSPF, DKIM and DMARC solve related but different email problems. Learn how to authorise legitimate senders, enable message signing, check alignment and introduce enforcement without blocking invoices, website messages or other business email you still need to deliver.
Domain namesCNAME records connect one hostname to another, but they do not redirect a browser or move a URL path. Understand practical uses for branded subdomains, apex restrictions, service verification and a careful setup process that avoids loops and conflicting records.
Domain namesA professional email address needs more than an MX entry. Follow a practical setup sequence covering domain verification, mailbox creation, incoming routing, sender authentication, mail applications and migration checks, with clear distinctions between the jobs each setting performs.
Domain namesDNS works quietly whenever someone visits your website or sends your business an email. This beginner’s guide explains resolvers, nameservers, caching and domain changes using practical examples, then shows how to separate a DNS fault from a hosting problem.
Domain namesYour website, business email and connected services depend on different DNS records. Learn what A, AAAA, CNAME, MX, TXT and NS records actually do, how to recognise the right values, and how to change them without disrupting unrelated services.
Domain namesDNS records connect a domain to the services behind it. Use this practical reference to understand the main record types, read the name and value fields correctly, and distinguish website destinations, mail routing, verification and nameserver delegation.
Domain namesDNS turns a familiar hostname into information your device can use to connect to a service. Follow a complete uncached lookup step by step, see where cached answers shorten the process, and learn how to distinguish a DNS failure from a website problem.
Domain namesDNS is a business dependency that often becomes visible only when it fails. Learn how resolvers, authoritative servers and caching affect your website and email, and how to manage the domain, provider and change processes that keep services reachable.
