Unmetered Bandwidth
Unmetered bandwidth explained: a billing model that caps port speed instead of monthly transfer, how it differs from metered plans, and its limits.
Knowledgebase
Clear answers to common hosting questions, written by our editors.
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By Maarten Soetens
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Primary vs Secondary DNS
Secondary DNS servers hold a copy of a zone from a primary server, kept in sync by zone transfers. Learn how AXFR, IXFR and NOTIFY work and why they matter.
By Maarten Soetens
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DNS Propagation
DNS propagation is the delay before a DNS change is seen everywhere. Learn how cached answers, TTLs and registry updates cause it and why the term misleads.
By Maarten Soetens
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Domain Registrant Contacts
A domain registrant contact identifies who holds a domain. Learn how registrant, admin, tech and billing roles differ and why accurate contact details matter.
By Maarten Soetens
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What Is an SPF Record?
An SPF record is a DNS entry that lists the servers allowed to send mail for a domain. Learn how SPF works, its qualifiers, lookup limit and forwarding issue.
By Maarten Soetens
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CSRF Attacks
Cross-site request forgery (CSRF) tricks a signed-in browser into sending unwanted requests. Learn how tokens and SameSite cookies stop the attack.
By Maarten Soetens
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CDN vs Web Hosting
CDN vs web hosting: hosting runs your site and stores its files, while a CDN delivers cached copies closer to visitors. Learn the difference.
By Maarten Soetens
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What to Include in a Backup
What to include in website backup: site files, the database, email, DNS records, SSL certificates and scheduled tasks. Learn why file-only backups fail.
By Maarten Soetens
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What Is an Order Management System?
An order management system (OMS) tracks orders across sales channels, warehouses and returns. Learn what an OMS does beyond the built-in order screen.
By Maarten Soetens
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DNS Caching Explained
A DNS cache stores lookup answers so later requests are faster. Learn which browsers, operating systems and resolvers cache DNS, and why answers go stale.
By Maarten Soetens
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What Is Docker?
What is Docker? Learn how its engine, images, containers, Dockerfiles and registries build and run applications as portable containers on most servers.
By Maarten Soetens
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Data Center Cooling Explained
Data center cooling explained: how CRAC and CRAH units, hot and cold aisles, containment and free cooling remove heat from racks, and why airflow matters.
By Maarten Soetens