482 results for «domain» (page 43 of 49)
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The SOA record and its serial number: what each field means and when it matters
The short answer: the SOA (Start of Authority) is the first record in every DNS zone. It names the primary nameserver and the person responsible for the zone, and it…
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HTTP or HTTPS: what changes for visitors, forms and the services that call your site
Short answer: use HTTPS, always. Here every domain gets a free SSL certificate automatically, so the real question is almost never “do I have to buy one?” but “is my…
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Your logo beside your e-mails: what BIMI is and what it asks for
The short answer: BIMI makes your company’s logo appear beside the messages you send, in some e-mail services. It is a final layer, which only works once your domain’s authentication…
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Read receipts and tracking pixels in e-mail: what they tell you and what they do not
The short answer: knowing whether someone read your e-mail seems useful, but it is unreliable. A read receipt depends on the recipient agreeing; the “tracking pixel” (a tiny image) is…
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Error 404 on a page that should exist: the causes, in order
The short answer: error 404 means “the server is working but cannot find what was asked for”. For a page you know exists, the causes are almost always a file…
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Which hosting plan for a web designer or agency with several client sites
The short answer: someone who builds sites for clients has to choose between one hosting per client (each with their own account and contract) and a hosting of your own…
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Which hosting plan for a start-up landing page and waiting list
The short answer: a presentation page with a sign-up form is very light: the entry plan is enough. It has one peculiarity: if the launch goes well, the visits arrive…
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A new record that still does not exist for some people: negative caching and the SOA
The short answer: resolvers do not only store answers that exist. When they ask for a name that does not exist (NXDOMAIN), or for a record type the name does…
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MX records in depth: priority, several mail servers and the mistakes that lose e-mail
The short answer: the MX record tells other servers where to deliver your domain’s mail. Each MX has a priority (a number) and the name of a server. Senders try…
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www or no www: which address to choose for your site
Short answer: either will do, and the choice is mostly a matter of taste. What is not a matter of taste is picking just one, making the other redirect to…





