Pro Gineous (@progineous)

Why Your SPF Record Fails With Too Many DNS Lookups, and How to Get Back Under 10

Your SPF record can look perfect, list every service that sends mail for you, and still fail on every single message. If a DMARC report or a bounce shows spf=permerror, the usual reason is that the re

47m ago · 8 min readprogineous.hashnode.dev

Why Your Site Loads on www but Not on the Bare Domain (and How to Fix It)

Someone types your domain without the www and gets an error page, a certificate warning or a browser that spins until it gives up. Type it with www and the site is fine. Or the exact reverse. The caus

21d ago · 9 min readprogineous.hashnode.dev

Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

A dedicated server with two disks in RAID 1 can lose one of them and keep running as if nothing happened. That's the point of RAID, and it's also the trap. The site stays up, nobody gets an alert, and

2d ago · 8 min readprogineous.hashnode.dev

Moving Hosts? Test Every Page on the New Server Before You Change DNS

The scary part of moving a site to a new host isn't copying the files. It's the moment you change the DNS record and hope. If something on the new server is broken, visitors find it before you do, and

13d ago · 9 min readprogineous.hashnode.dev

Is Your Cloud Server Slow Because of CPU Steal? How to Check

Your cloud server feels slower than it did last month. Pages take longer, a cron job that used to finish in two minutes now needs five, and yet nothing changed in your code. Before you start tuning PH

14d ago · 8 min readprogineous.hashnode.dev

Pro Gineous

About

Available for

Pro Gineous's blogs

Why Your SPF Record Fails With Too Many DNS Lookups, and How to Get Back Under 10

Why Your Site Loads on www but Not on the Bare Domain (and How to Fix It)

Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

Moving Hosts? Test Every Page on the New Server Before You Change DNS

Is Your Cloud Server Slow Because of CPU Steal? How to Check

Pro Gineous

About

Available for

Pro Gineous's blogs

Why Your SPF Record Fails With Too Many DNS Lookups, and How to Get Back Under 10

Why Your Site Loads on www but Not on the Bare Domain (and How to Fix It)

Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

Moving Hosts? Test Every Page on the New Server Before You Change DNS

Is Your Cloud Server Slow Because of CPU Steal? How to Check

Pro Gineous

About

Available for

Pro Gineous's blogs

Why Your SPF Record Fails With Too Many DNS Lookups, and How to Get Back Under 10

Why Your Site Loads on www but Not on the Bare Domain (and How to Fix It)

Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

Moving Hosts? Test Every Page on the New Server Before You Change DNS

Is Your Cloud Server Slow Because of CPU Steal? How to Check

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Pro Gineous

About

Available for

Pro Gineous's blogs

Why Your SPF Record Fails With Too Many DNS Lookups, and How to Get Back Under 10

Why Your Site Loads on www but Not on the Bare Domain (and How to Fix It)

Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

Moving Hosts? Test Every Page on the New Server Before You Change DNS

Is Your Cloud Server Slow Because of CPU Steal? How to Check