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MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDomains & DNS

IPv6 and AAAA records: do you need one, and when adding one breaks your site

The short answer: an AAAA record points your name to an IPv6 address, just as the A record points to an IPv4 one. It is not required: the site works…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDomains & DNS

Reading a whole DNS zone line by line: names, trailing dots, TTL and the @ sign

The short answer: a DNS zone is a plain-text list of records, one per line, in a standard format (the “zone file” from RFC 1035, the one BIND uses). Many…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseWordPress & CMS

Replacing old addresses in a WordPress database without breaking it

The short answer: when you change the site’s address (a new domain, or from http to https), WordPress keeps the old address in thousands of places in the database: in…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseBackups & Migration

The site moved but something is broken: what each symptom points to

After a move, each error almost always has one typical cause. Instead of redoing everything, read the symptom, go to the most likely cause and confirm it in the error…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Bounce message 550: user unknown, relay denied and rejected, what each one means

You sent an e-mail and got back a message that says “Mail Delivery Subsystem”, “Undelivered Mail Returned to Sender” or “Delivery Status Notification (Failure)”. That is a bounce, and what…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseChoosing the Right Plan

Which hosting plan for a content creator: videos, links and sponsors

The short answer: a content creator lives on platforms, and the platforms are not theirs. A site of your own is the place nobody can take from you: a page…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseWordPress & CMS

Redirecting old pages in WordPress: a plugin or .htaccess

The short answer: when a page changes address or disappears, whoever saved it (and Google) lands on a 404. The remedy is a 301 redirect, which says “it moved here”.…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseWordPress & CMS

Collecting subscribers and sending a newsletter from a WordPress site

The short answer: the site collects the addresses (with a form), but it should not be the one sending a message to many people. For that you use a proper…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseOnline Stores

Customer data in your shop: consent, data requests and deleting an account

Every order leaves in the shop a name, an address, a phone number and an e-mail. That is personal data, and whoever keeps it has duties: say what it is…

MozOut - United Kingdom www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDomains & DNS

Registrar lock: what it protects, when to unlock it and when to leave it on

The short answer: the registrar lock is a padlock on the domain that stops it being transferred to another provider unless you authorise it. It should be on almost always,…