332 practical guides to website speed, SEO, email deliverability, DNS, security and automation, with fixes you can copy and paste.
Which domain extension is best for your business? Compare .com, .ai, .io, .co, country codes and new gTLDs on SEO, trust, cost, eligibility and risk.
DNSSEC explained without jargon: how signatures and DS records work, whether your domain should use it, and how to avoid outages when changing DNS providers.
How MX priority works, what happens with equal priorities and backup MX, when to use a null MX, and the correct records for Google Workspace and Microsoft 365.
Realistic DNS propagation times for record edits, new records, MX moves and nameserver changes, why .uk delegations take two days, and how to read a checker.
A plain-English guide to DNS records: what A, AAAA, CNAME, MX, TXT, NS and SOA records do, with real zone examples and the mistakes that break sites and email.
IPv6 for small business websites: how many users have it, whether you need an AAAA record, hosting and CDN support, IPv6 email PTR and SPF rules, and testing.
DNS over HTTPS explained: how DoH and DNS over TLS protect privacy, how browsers and Windows use them, what they mean for filtering, and how DNSSEC differs.
When a domain expires, your website and email stop working, then grace and redemption periods follow before it is released. See the .com and .uk timelines.
To transfer a .uk domain, ask your current registrar to change its IPS tag to your new registrar's tag. No auth code needed. Steps, timings and pitfalls.
Is a subdomain good for SEO? Google can rank both, but subdomains run as separate hosts. The real trade-offs, a decision checklist and how to move safely.
Point your domain to a new web host by changing nameservers or A records. A step-by-step guide to moving with no downtime and without breaking your email.
An A record points a name to an IP address; a CNAME points it to another hostname. Learn the difference, the apex rule, and which one to use for each setup.
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