Domains, DNS and hosting
Domains, hosting and email: what is the difference?
Find out which company looks after your web address, website and inbox, so you can ask the right person for help without moving everything.
Domains, DNS and hosting
Understand the moving parts, prepare a safe change and know when to ask for technical help.
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22 guides to explore
Domains, DNS and hosting
Plan DNS changes without breaking business email
Prepare a website connection change while protecting your business inbox, existing tools and domain records. Know what to check before approval.
Domains, DNS and hosting
Nameserver change or DNS record change?
Understand two different ways to connect a website and the questions to ask before changing where your domain’s DNS records are managed.
Domains, DNS and hosting
What to do when your website shows an SSL warning
Collect useful evidence when a browser warns about your website’s connection, and know which checks are safe before asking your host for help.
Domains, DNS and hosting
A practical checklist before moving website hosting
Prepare a hosting move with a clear record of files, email, forms and important page addresses, so nothing essential is cancelled too early.
Domains, DNS and hosting
Is it DNS propagation or a different website problem?
Know when waiting after a domain change makes sense, and what evidence helps your provider distinguish DNS caching from a website fault.
Domains, DNS and hosting
Registrant, registrar and registry explained
Know who holds your domain registration, which supplier manages it and which registry operates the ending, so support requests reach the right place.
Domains, DNS and hosting
Keep your domain renewed and under control
Check renewal ownership, notices and payment arrangements before a domain expires, and know the safe first step if your address has stopped working.
Domains, DNS and hosting
A domain transfer is not a website move
Separate domain registration, DNS, website hosting and mailbox moves before approving a transfer or cancelling an old business subscription.
Domains, DNS and hosting
What is an A record?
Read the main fields of an A record, understand its role in website connections and avoid confusing a server address with a complete page URL.
Domains, DNS and hosting
What is a CNAME record?
Understand how a CNAME connects one domain name to another, why it is not a page redirect and what to check in a provider’s connection request.
Domains, DNS and hosting
What does TTL mean in DNS?
Understand the time-to-live setting behind DNS caching, why it affects planned changes and why lowering it is not a universal website repair.
Domains, DNS and hosting
Check who handles website certificate expiry
Keep certificate renewal separate from domain renewal, identify who monitors it and gather the right evidence if your secure connection stops working.
Domains, DNS and hosting
What is mixed content on a website?
Understand why an HTTPS page can have missing images or blocked features, and how to report insecure embedded resources without weakening browser security.
Domains, DNS and hosting
What is a nameserver?
Understand the service that holds a domain’s authoritative DNS answers, and find the right place to manage records without changing live settings.
Domains, DNS and hosting
403 Forbidden: why a website refuses access
Understand a 403 Forbidden message, check which pages are affected and give your website provider useful evidence without weakening security settings.
Domains, DNS and hosting
429 Too Many Requests: what to do next
Know when to stop retrying a page, form or sign-in, what a rate limit means and what to report if normal customers keep seeing a 429 error.
Domains, DNS and hosting
502 Bad Gateway: checks for a website owner
Understand a 502 Bad Gateway error, separate the visible symptom from the cause and prepare a useful hosting support request without changing DNS.
Domains, DNS and hosting
503 Service Unavailable: maintenance or a fault?
Work out what to ask when your site shows Service Unavailable, check maintenance notices and report continuing problems without repeated retries.
Domains, DNS and hosting
504 Gateway Timeout: check before trying again
Understand a gateway timeout, avoid repeating uncertain orders or enquiries and collect the evidence your host needs to investigate slow requests.
Domains, DNS and hosting
DNS_PROBE_FINISHED_NXDOMAIN: where to start
Check an address that cannot be found, compare domain and www results, and gather safe evidence before asking for a DNS or hosting investigation.
Domains, DNS and hosting
Too many redirects: stop a website going in circles
Understand ERR_TOO_MANY_REDIRECTS, record the affected addresses and have conflicting website rules checked without turning off HTTPS or security.