Guides
Reference
Guides
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RAID levels explained: 0, 1, 5, 6 and 10
How each RAID level spreads data across disks, how many failures it survives, how much space you keep, and why RAID is still not…
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DNS record types explained
A, AAAA, CNAME, MX, TXT, NS, CAA and SRV: what each DNS record does, with real examples you can copy.
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What does 99.9% uptime actually mean?
Uptime percentages converted into real downtime per month and year, and what a host’s guarantee really promises.