Hosting Glossary
What is MX Record?
MX Record in plain English — the definition, the analogy, and why it matters to anyone who runs a website.
The short answer
An MX record declares which mail servers accept email for your domain, with priority numbers ordering delivery attempts.
Below: the fuller explanation, an analogy that makes it stick, why it matters in practice, and where you'll actually meet it.
Written by the HostingAlly team · Last revised 27 July 2026
0
Jargon left unexplained
100+
Linked definitions
Real
Platform examples
Free
To read, obviously
Sending servers look up your MX set and try the lowest-priority host first, falling back upward. Values must be hostnames (never IPs), and the set as a whole is your domain's inbound mail policy.
Web and mail decouple through it — the site can live one place and mail another purely by where A and MX records respectively point.
MX Record, by analogy
The 'deliveries entrance' sign on your building — couriers (sending servers) read it, go to the loading dock listed first, and try the alternate dock if the first is shuttered.
Hold onto that picture and most of the documentation you'll ever read about it becomes considerably less mysterious.
Why it matters to a site owner
Every 'email stopped after we changed hosting/DNS' story is an MX story — the record set must be recreated wherever the zone now lives, or the world's mail has no door to knock on.
That's the test for every technical term, incidentally — not 'do I understand it fully' but 'do I know when it's the answer to my problem'. For this one, now you do.
What it looks like in practice
A business hosts its site here and mail at a specialist provider — MX records point at the mail provider's hostnames while the A record points here; each service where it belongs.
Multiply that example across every site on the internet and you have the concept's entire job description.
The HostingAlly angle
You'll meet it in the control panel and occasionally in a support conversation — usually already configured the right way. If this term made sense, the natural next reads are DNS, SMTP, SPF and TXT Record.
Renewal prices match signup prices, so the year-two invoice is the most boring email you'll get from us.
Jargon is a service failure
We think unexplained jargon is a service failure — this glossary is the support desk's accumulated translations, published where the search engines can hand them out.
Support is answered by real people around the clock — including the questions other hosts call out of scope.
- 100+ terms, plain English
- Analogies and real examples
- Cross-linked related concepts
- Written by the support desk
Why HostingAlly
Every plan includes this, whatever you pay
Plain English first
Every term defined for site owners, not for other sysadmins — jargon translated, not restated.
Analogies that stick
Each concept gets a picture you'll remember at the moment you actually need it.
Grounded in a real platform
Examples reference the hosting you'd actually use, not abstract diagrams.
One term, fully landed
MX Record defined, pictured by analogy and placed in your own control panel — recognise-level in a single read.
The practical stakes named
Not just what it is — when it's the answer to a problem you're having.
Linked, not siloed
Related terms cross-reference, so one lookup becomes a working understanding.
Getting Started
How to get going
- 1
Spot it in your own setup
Open your control panel and find where this concept lives — seeing it attached to your own site is what converts definition into understanding.
- 2
Check the defaults
Our platform ships sane defaults for this — verify rather than assume, and you'll know your setup instead of hoping about it.
- 3
Follow the related terms
Concepts travel in packs — DNS, SMTP and SPF complete this one's picture, and each is a two-minute read away.
Included
What's covered on our plans
- Webmail plus IMAP, POP and SMTP access
- Free WebP image optimisation built in
- Staging environments for risk-free changes
- 99.9% uptime commitment, monitored around the clock
- 30-day money-back guarantee on hosting plans
- 24/7 support from real people
- Upgrades apply in place — no migrations between plans
- cPanel — the industry-standard control panel
- Free domain for the first year on annual plans
- Renewal prices that match signup prices
FAQ
Your questions, answered
What does the MX priority number mean?
Order of attempt — lowest first, equal values load-share. A single record at any priority works fine; multiple entries exist for redundancy, not requirement.
Mail vanished after a nameserver change — coincidence?
Causation — the new zone lacks the old MX records. Recreate them (plus SPF/DKIM TXT records) at the newly delegated DNS; in-flight mail retries for hours, so quick action usually means zero loss.
How do I read my email away from my desk?
Webmail works from any browser, and every mailbox also supports IMAP, POP and SMTP — so your phone's mail app, desktop client and webmail all see the same messages.
Do you support staging sites?
Yes — plans with staging let you clone the live site, test changes safely, and push to production when ready. It's the difference between 'I hope this update works' and knowing it does.
Can I choose my PHP version?
Yes — PHP versions are selectable per site from the control panel, so a legacy application and a current one can live side by side. Extensions and per-site settings are adjustable in the same place, no support ticket needed.
What happens to my data if I cancel?
Your site and files remain yours — download a full backup from the panel any time, before or during cancellation. Domains stay registered to you for their paid term and can transfer to any registrar after the standard 60-day window.
Do you include email with hosting?
Yes — mailboxes on your own domain come with every hosting plan, with webmail, IMAP/POP/SMTP access and spam filtering. Standalone email hosting also exists for domains whose websites live elsewhere.
Keep exploring
TXT Record
A TXT record stores arbitrary text in your DNS zone — the mechanism behind domain verifications, SPF policies and DKIM keys.
SPF (Sender Policy Framework)
SPF is a DNS-published list of servers authorised to send email for your domain — receivers check it to spot forged senders.
OpenCart Hosting
One-click OpenCart on PHP tuned for storefronts, with free SSL and staging.
Domain Names
Search, register and transfer domains — first year free on annual hosting.
Planning to switch hosts? Grab the checklist here.
The steps that keep a site migration dull rather than dramatic: what to back up first, how to shift email across without losing a single message, when to touch DNS, and the two mistakes behind nearly every hour of downtime we come across.
Launch it properly this time.
Every plan includes the essentials others sell as extras — and support that actually answers.
View OpenCart Hosting plans