I run several small sites on one Ubuntu VPS. Mail goes out through Postfix, gets signed by OpenDKIM, and then leaves through a shared SMTP relay (Hostinger, which sends onward via MailChannels). I don't send directly from the VPS because…
The typing takes about ten minutes. DNS can take longer to update. This guide shows each step with example records, the mistakes we made while launching LuneaMail this month, and a checklist to confirm it works. A few terms first.
Disclosure: I'm Ben, and I built the Apify Actor mentioned later in this post. I charge per result for it. Everything in the tutorial part works with free tools too. A list of domains says a lot more than it…
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…
A visitor says the form did nothing. The form plugin shows no entry. The inbox is empty, but there is one message in the spam folder from a different address. The access log shows POST requests to the form endpoint…
Most local services are boring targets. An MCP server is not: it exists to let whoever sends it a request take actions, and it usually holds what those actions need, such as file access, a database connection, or an API…
The National Information Technology Development Agency (NITDA) has made Domain Name System Security Extensions (DNSSEC) part of its cybersecurity assessment criteria for all Ministries, Departments and Agencies (MDAs), in a move to strengthen the security of government digital infrastructure. The…
Lena was halfway through her morning coffee when an email landed: “Unusual sign-in detected — verify your account within 24 hours.” It looked exactly like her bank's emails, with the same logo, colors, and footer. She was one tap away from clicking…
Digital assets are all the rage. And.com paved the way. When the pandemic halted Jason Sheppard’s nightclub DJ career, he turned his focus to his favorite side hustle — flipping website domains. Sheppard had stumbled into the world of domain…
Two DNS mistakes cause a lot of "why is our mail going to spam?" tickets: Ask Cloudflare's DoH endpoint for a domain's DMARC record. The accept: application/dns-json header asks for JSON instead of binary DNS: What we got back…
Resolvers, DNSSEC, anycast, BGP hijacks/leaks, and routing security (RPKI).
An article joins this feed when it matches these terms. Each one is also a search of its own.