DNS TTLs and the art of the zero-downtime cutover
Most migration downtime is self-inflicted and comes down to TTLs set wrong, set too late, or set on the wrong records. Here is how caching actually behaves and how to plan a cutover around it.
Author: Alison Ivers
Migrating your client book without a single angry phone call
Fifty sites, fifty DNS zones, hundreds of mailboxes — and one imagined catastrophe. A well-run migration is a checklist executed in a sensible order. Here is the checklist, and what to demand from the host receiving it.
Email deliverability is a sales advantage: what your hosting lets you promise clients
Most deliverability problems are decided by infrastructure choices made long before anyone hits send. If your stack authenticates every domain by default, you can promise what competitors cannot — and charge for keeping it true.
Hosting email and the website in different places — MX, autoconfig and the bits everyone forgets
Splitting mail and web hosting across two providers is common and entirely sensible. It also breaks mail client setup in ways that are easy to miss. Here is the full DNS picture.
Selling hosting under your own brand: how white-label works end to end
Your clients already believe you host their websites. White-label hosting makes the invoice, the margin and the infrastructure match the perception — here is how it works, from your nameservers down to the metal.
Why your agency shouldn’t be a sysadmin: what “managed” should actually include
Somewhere in your agency, a designer is moonlighting as a systems administrator. Here is what managed hosting should actually cover — and three questions that reveal whether yours covers any of it.
MTA-STS, TLS-RPT and DANE — encrypting mail in transit properly
SMTP encryption is opportunistic by default, which means it can be silently stripped. MTA-STS, DANE and TLS-RPT close that gap. Here is what each does, how to publish them, and how they interact.
The real cost of white-label hosting: what to compare beyond the price row
The price row is the least informative line on a reseller hosting comparison. Per-account licence fees, metered extras, and the support time you quietly absorb — here is the audit worth running before you choose a platform.