Blog
Guides, tips, and deep dives on online safety, email security, and domain management.
Website Security Checklist for Small Businesses
A practical, non-technical checklist to help small business owners secure their website. Covers SSL, headers, DNS, email authentication, and ongoing monitoring.
March 7, 2026
Content Security Policy (CSP) Explained: Protecting Your Site from Script Injection
CSP is a security header that prevents XSS and data injection attacks. Learn what it does, how to set it up, and how to check if a site uses it.
March 6, 2026
What Is IP Geolocation and How Accurate Is It?
IP geolocation maps an IP address to a physical location. Learn how it works, what it can and cannot reveal, its uses, and its limitations.
March 5, 2026
Email Blacklists: How to Check If You Are Listed and Get Removed
Being on an email blacklist means your messages go straight to spam. Learn what blacklists are, how to check if your domain or IP is listed, and how to request removal.
March 4, 2026
What Are Nameservers and How Do They Work?
Nameservers are the backbone of the internet's addressing system. Learn what they do, how to find yours, when to change them, and common issues to watch for.
March 3, 2026
Cross-Site Scripting (XSS) Explained: How Attackers Inject Code into Websites
XSS is one of the most common web vulnerabilities. Learn how cross-site scripting works, the different types, and how websites and users can protect themselves.
March 2, 2026
Why You Should Use a Password Manager in 2026
Reusing passwords is the number one security mistake people make. Learn why password managers are essential, how they work, and what to look for when choosing one.
March 1, 2026
Subdomain Takeover: What It Is and How to Prevent It
Dangling DNS records can let attackers hijack your subdomains. Learn what subdomain takeover is, how it happens, and how to audit your DNS to stay safe.
February 28, 2026
Role-Based Email Addresses: What They Are and Why They Bounce
Addresses like info@, support@, and sales@ behave differently than personal emails. Learn what role-based emails are, why they cause delivery problems, and how to handle them.
February 27, 2026
What Is a Man-in-the-Middle Attack and How to Prevent One
Man-in-the-middle attacks let hackers intercept your data on public Wi-Fi and insecure connections. Learn how they work and what you can do to stay protected.
February 26, 2026
How to Protect Your Email Address from Spam and Unwanted Messages
Spam is more than annoying -- it can be dangerous. Learn practical strategies to reduce spam, protect your inbox, and spot malicious messages before they cause harm.
February 25, 2026
A Record vs CNAME: When to Use Each DNS Record Type
Confused about A records and CNAMEs? Learn what each DNS record type does, when to use one over the other, and common mistakes to avoid.
February 24, 2026
What Is Email Bounce Rate and How to Reduce It
High bounce rates hurt your sender reputation and deliverability. Learn what causes email bounces, the difference between hard and soft bounces, and how to fix them.
February 23, 2026
HTTPS vs HTTP: What Is the Difference and Why It Matters
Understand the difference between HTTP and HTTPS, how encryption protects your data, and why you should avoid entering information on HTTP sites.
February 22, 2026
Types of Malware and How to Avoid Them
From ransomware to spyware, learn about the most common types of malware, how they spread, and simple steps to keep your devices safe.
February 21, 2026
DNS Propagation Explained: Why Your Domain Changes Take Time
After changing DNS records, updates don't happen instantly. Learn what DNS propagation is, why it takes time, how TTL affects it, and how to check progress.
February 20, 2026
Social Engineering Attacks: How Hackers Trick You Without Code
Social engineering is the most common way hackers gain access to accounts. Learn the tactics they use and the practical steps you can take to protect yourself.
February 19, 2026
Why Domain Age Matters When Deciding Whether to Trust a Website
New domains are disproportionately used for scams and phishing. Learn how to check domain age with WHOIS and what it reveals about a site's trustworthiness.
February 18, 2026
SPF, DKIM, and DMARC Explained: Email Authentication in Plain English
Understand what SPF, DKIM, and DMARC are, how they work together to prevent email spoofing, and how to check if a domain has them set up correctly.
February 17, 2026
What Is Two-Factor Authentication and Why You Need It
Learn what two-factor authentication (2FA) is, how it works, and why enabling it is one of the easiest ways to protect your online accounts from hackers.
February 16, 2026
How to Check If a Link Is Safe Before You Click
Learn how to identify dangerous links before clicking. Step-by-step guide to spotting phishing URLs, checking redirects, and using free link safety tools.
February 15, 2026
How to Tell If an Email Address Is Fake
Spot fake email addresses before they cause harm. Learn the signs of spoofed senders, disposable inboxes, and how to validate any email address for free.
February 14, 2026
What Is SSL and Why It Matters for Your Security
Understand SSL/TLS certificates, how they protect your data, and why every website needs one. Learn to check any site's SSL status for free.
February 13, 2026
How to Read DNS Records: A Beginner's Guide
DNS records control how your domain works. Learn what A, AAAA, MX, CNAME, TXT, and NS records do, and how to look them up for free.
February 12, 2026
10 Signs a Website Is a Phishing Scam
Learn the warning signs of phishing websites. From suspicious URLs to missing SSL, here's how to spot scam sites before they steal your data.
February 11, 2026
What Is WHOIS? A Guide to Domain Lookup
Learn what WHOIS data reveals about domain ownership, registration dates, and expiry. Find out how to look up any domain for free.
February 10, 2026
Disposable Email Addresses: What They Are and How to Detect Them
Learn about disposable email services, why people use them, and how to detect throwaway addresses to protect your forms and signups.
February 9, 2026
HTTP Security Headers Explained: What They Do and Why They Matter
Understand the most important HTTP security headers and how they protect websites. Learn what Content-Security-Policy, HSTS, and X-Frame-Options do.
February 8, 2026
How to Verify an Email Address Before Sending
Reduce bounces and protect your sender reputation. Learn how to verify email addresses are real and deliverable before you hit send.
February 7, 2026
What Happens When You Click a Shortened URL?
Shortened URLs hide their true destination. Learn how URL shorteners work, why they can be dangerous, and how to safely check where a short link leads.
February 6, 2026