TechNestTechNest
Journal
Domains, hosting, mail and certificates. Each note explains one job.
10/11/2026
A mailbox has its own quota
The box can fill even when the disk is empty. A full box does not take a new letter.
Read10/11/2026
The card is not charged on its own
You see the end in the account before it arrives. You choose the renewal. There is no automatic charge.
Read10/11/2026
A subdomain may need its own certificate
The certificate of the main name does not cover a subdomain on its own. If it does not say so, it does not.
Read10/11/2026
What a dedicated IP is for
A site opens on a shared address. A dedicated IP is a separate line for some mail and certificate jobs.
Read10/11/2026
The account language follows the site
The page opens in Turkish, English, German, Russian or Arabic. The panel keeps the language you picked.
Read10/11/2026
Keep a copy off the site as well
A backup on the server leaves with the server. One copy should also sit in your hands.
Read10/11/2026
How form spam is separated
An open form is an invitation to a bot. The gate is in the form’s own setting. The server does not cut it alone.
Read10/11/2026
Why picture size slows a page
A photo from a phone is large for a page. Shrinking it is the first step of speed.
Read10/11/2026
Does a theme update delete the writing
Posts live in the database. A change you wrote into the theme’s own file is wiped.
Read10/11/2026
What a scheduled task does
WordPress’s own jobs should run even when no visitor arrives. A scheduled task does that.
Read10/11/2026
What the PHP memory limit stops
A white page is not always a full disk. A script stops when it passes the memory it was given.
Read10/11/2026
The domain can stay at another firm
If hosting is here and the name is elsewhere, you write the nameserver there. A move is not required.
Read10/11/2026
The mail signature should match the address
If the letter leaves info@example.com and the signature shows another site, the other side stops.
Read10/11/2026
Write both nameservers
One line leaves half the address open. If the card shows two addresses, both go in.
Read10/11/2026
The certificate term is separate from the domain
The lock does not stay just because the domain does. See both dates in the account.
Read10/11/2026
When WordPress installs from Plesk
Plesk does not install WordPress on every screen. The install is there when Toolkit is on.
Read10/11/2026
The first job in cPanel
When the account opens, first check that the domain points at this account. Then WordPress.
Read10/11/2026
A support ticket stays even after it closes
Open, answered and closed tickets stay in the same list. A reply opens a closed ticket again.
Read10/11/2026
What preparing means
Payment is in, and the account is not open yet. When the card is open, management sits there.
Read10/11/2026
A domain and hosting are paid on one card
You put both in the basket. Payment ends on one page. The card number does not stay on this site.
Read10/11/2026
What a panel password should look like
A short, guessable password opens the door to the files and the mail.
Read10/11/2026
Where the WordPress admin address is
Admin lives on the site’s own address. The hosting panel is a different door.
Read10/11/2026
Why mixed content breaks the lock
If the page is https and a picture is http, the browser does not count the lock as complete.
Read10/11/2026
The http address should move to https
A certificate does not make the visitor open the locked address on their own. The redirect is a separate line.
Read10/11/2026
When a DNS change shows up
Even a correct record is not seen by the world at the same moment. Waiting a few hours is normal.
Read10/11/2026
What happens when a domain term ends
When the term ends, the site and the mail go quiet together. Renewal happens before the date on the card.
Read10/11/2026
Business mail and Google Workspace are not the same box
Both open on your domain. Calendar, storage and price are separate.
Read10/11/2026
How to move a mailbox
Old letters do not arrive on their own. Open the box, then move the old mail.
Read10/11/2026
The database copy is separate from the files
Posts and comments live in the database. Copying only the files leaves them behind.
Read10/11/2026
When FTP is actually needed
Everyday writing goes through the panel. FTP is for a broken file or a move.
Read10/11/2026
Why too many plugins slow a site
Each plugin runs code on every page. An unused plugin takes space and leaves a hole.
Read10/11/2026
When to update WordPress
Core, theme and plugins update separately. Pressing all of them in one night can lock the site.
Read10/11/2026
What a traffic limit means
Traffic is the bytes a visitor downloads. It is not the size of the file sitting on the disk.
Read10/11/2026
What happens when the disk fills
New posts stop saving and the mailbox stops accepting letters. See what filled it first.
Read10/11/2026
When several sites belong on one account
Four or nine sites live inside one Windows account. When one fills the disk, the others feel it.
Read10/11/2026
Linux or Windows hosting
WordPress runs on both. The panel and the install path change.
Read10/11/2026
Test a restore before you need it
A copy that has never been opened is not yet useful. One restore shows that.
Read10/11/2026
What site protection scans
A scan looks for known malware and blocklists. It does not judge a visitor’s intent.
Read10/11/2026
What DV, OV and EV certificates check
The lock says the connection matches the name. Company checks are a separate job.
Read10/11/2026
What a wildcard certificate covers
The star covers one level of name. It does not cover a second level.
Read10/11/2026
www and the bare name should open the same site
If the two addresses show different pages, the visitor is at the wrong door.
Read10/11/2026
When a subdomain is the right address
shop.example.com is a separate door. It is not a folder of the main site.
Read10/11/2026
What domain privacy covers
Privacy pulls the name and address off the public domain list. It does not delete ownership.
Read10/11/2026
Where the transfer code comes from
Moving a domain needs the authorisation code from the old firm. Without the code the move does not start.
Read10/11/2026
What DMARC tells the other side
DMARC says what to do when SPF or DKIM fails. Without it, the other firm’s filter decides.
Read10/11/2026
How DKIM signs a letter
DKIM is a signature that the letter was not changed on the way. The signature is checked against a TXT record on the domain.
Read10/11/2026
How an SPF record protects mail
SPF lists the servers allowed to send mail for a domain. With no list, the other side treats the letter as suspect.
Read10/11/2026
Why the PHP version opens or closes a site
WordPress and its plugins ask for a PHP version. An old one fails and also leaves a hole.
Read10/11/2026
Why mail does not arrive
The box is full, the MX line is wrong, or the message is in the junk folder. Check those before blaming the server.
Read10/11/2026
Moving WordPress from another host
Files and the database travel together. Copying only the files leaves the site half finished.
Read10/11/2026
Read the renewal price before you buy
The discounted first year is not the second year's price. Year two and year three on the card are totals.
Read10/11/2026
How often to keep a backup
A weekly copy saves a day of work. A monthly copy does not bring back a month of writing.
Read10/11/2026
When a dedicated server is ready
After payment the card says preparing. When the server opens, the address and the user appear on the same card.
Read10/11/2026
Where cPanel and Plesk sit
A Linux account opens cPanel. A Windows account opens Plesk. Both live on the hosting card you bought.
Read10/11/2026
How to read a DNS record
An A record points at the site. An MX record points at the mail. Mixing them is a common outage.
Read10/11/2026
What a nameserver does
A domain is an address book. The nameserver says which account that name should open.
Read10/11/2026
What an SSL certificate tells a visitor
The lock says the browser reached the name on the certificate. It does not grade the company.
Read10/11/2026
Why a company needs its own email address
A quote from a free mailbox and the same quote from the firm's domain do not land the same way.
Read10/11/2026
How much space a WordPress site uses in the first year
The core is small. Photos and the mailbox decide the disk. A package should cover the year you will actually have.
Read10/11/2026
How to choose a domain name for a small business
A short name, one spelling, and a renewal price you have read. The address has to work on a card, in mail, and on the phone.
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