Domain, DNS, hosting and email security news for UK businesses — written in plain English, with the practical implications spelled out.
We write when something changes that actually affects how a business should run its domains, not to fill a schedule. If you would rather have the reference material, our guides cover the fundamentals.
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Is your .io domain at risk? An honest answer
The Chagos sovereignty agreement raised the question of whether .io could disappear. The honest answer involves ISO standards, a ten-year retirement policy, and rather less urgency than the headlines suggested.
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Why your DNS probably should not live with your web designer
This is not a criticism of web designers. It is an observation about what happens when one supplier holds something the whole business depends on.
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Thousands of new domain endings are coming. Should you care?
The application window for new top-level domains closed on 12 August 2026. Here is what happens next, and the short list of businesses that should actually pay attention.
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Preparing for 100-day certificates: what to change before March 2027
The next step down in certificate lifetimes lands in early 2027. Anything still renewed by hand needs a plan before then.
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The biggest change to .uk domains in 30 years lands in February 2027
On 9 February 2027 Nominet changes how .uk domains are transferred, renewed and expired. It is the most significant change to the UK namespace in three decades.
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Domain hijacking is not sophisticated — and that is why it works
Domains are rarely taken by clever technical attacks. They are taken because somebody got into an email account.
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How to move a website without taking your email down
The single most common cause of a company-wide email outage is not an attack. It is a website going live.
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Domain due diligence: the question every buyer asks, and most sellers cannot answer
Any sale, investment or refinancing will ask who legally owns your domain names. It is a much better question to answer in advance.
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Invoice redirection fraud starts with a domain that looks like yours
The scam does not target your systems. It targets your customers, using a domain one character different from your own.
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Email authentication is no longer best practice — it is a condition of delivery
The major mailbox providers have tightened requirements to the point where unauthenticated mail is rejected rather than filtered. Three DNS records decide whether your invoices arrive.
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WHOIS is gone: what RDAP means for checking who owns a domain
RDAP replaced WHOIS as the definitive source of gTLD registration data. Here is what you can still find out about a domain — and what you cannot.
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What happens to your domain names when an employee leaves?
A resignation is the most common way a business quietly loses control of its own domain name. Here is what to check, and when.
Talk to us
If something here applies to your business and you would like it looked at, call 01202 835235 or email contact@domainwarden.co.uk.