Checking Service Status in Under a Minute
Find out whether a service issue affects everyone or just you using ALCO's public status page. No sign-in needed, and it takes well under a minute.
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Explore the training library
Start with a guide, follow the video and revisit the steps whenever you need them.
Can Strangers Send Email as Your Company?
Learn how to check whether someone could send email using your company's identity, and what SPF, DKIM and DMARC actually prove when you look them up.
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Who Really Owns Your Domain Name?
Learn how to check domain registration, expiration and transfer-lock information, so you can confirm who really controls the name your business runs on.
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Investigating Suspicious Email: How to Read the Headers
Learn how email headers can help you investigate a suspicious message: what the path shows, which fields can be faked, and what actually proves origin.
Start training: Investigating Suspicious Email: How to Read the Headers
30 Free Online Tools That Run in the Browser
Thirty small tools for the jobs that interrupt your actual work: merging a PDF, resizing an image, counting words, converting a spreadsheet, working out a percentage.
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DNS Records Explained: A, CNAME, MX and TXT
Every website and every business email address depends on a handful of DNS records, and almost nobody outside IT can say what they do.
Start training: DNS Records Explained: A, CNAME, MX and TXT
MX Lookup: Where Company Email Actually Goes
Your email has to physically arrive somewhere, and one public record says where. Learn to read your MX records and confirm mail is going where you think.
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What Your Browser Tells Every Website About You
Before you type anything, before you accept any cookie, a website already knows a surprising amount about you. Here is what it sees and what you can change.
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Encoding Is Not Encryption: Why It Matters
Base64 looks like gibberish, so people assume it is secure. It is not, it was never meant to be, and confusing the two gets expensive. Here is why.
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Find the Forgotten Subdomains Still Pointing at Your Business
Every certificate ever issued for your domain is recorded in a public log.
View upcoming training: Find the Forgotten Subdomains Still Pointing at Your Business
How to Check a Company Is Real Before You Pay Them
An invoice arrives from a supplier you half recognize, or a website appears offering exactly what you need at a price that seems fine.
View upcoming training: How to Check a Company Is Real Before You Pay Them
See Any Website's Past With the Wayback Machine
The Wayback Machine has been quietly photographing the web since 1996.
View upcoming training: See Any Website's Past With the Wayback Machine
Is This Website Dangerous? Check Before You Click
Google maintains a list of sites known to host malware or phishing, and it is the same list your browser already uses to show those red warning pages.
View upcoming training: Is This Website Dangerous? Check Before You Click
You Got a Data Breach Letter. Here's What It Actually Means
A letter arrives saying your data may have been involved in an incident.
View upcoming training: You Got a Data Breach Letter. Here's What It Actually Means
What "Managed Hosting" Actually Includes
"Managed" is the most overloaded word in hosting. What it covers, what it quietly does not, and the questions worth asking before you sign anything.
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The ALCO Learning Center: Free Training for Your Team
Short, practical training videos covering the things clients ask us about most. Free to watch, no sign-in, and each one is a few minutes at the most.
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Site Tour: What ALCO Does and Where
A walk through alcohq.com, section by section, so you can see what ALCO actually does, where everything lives, and how to find the page you need.
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One Team For Your Technology
One team for your hosting, website development and help desk support, with a defined scope and a named point of contact rather than a ticket queue.
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How to Read a Provider's Incident History
Learn to read a hosting provider's public incident history, including affected services, timestamps and updates, before choosing a provider.
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