Tag feed

#dns

2,114 posts29 followers

Explore Hashnode

Alternatives

Trending tags this week

VCVictor Chukwuemeka Onwuegbuchulemvictor-chukwuemeka.hashnode.dev1d ago · 14 min read

Connecting a Domain to a VPS From a Different Company: The Guide Nobody Gives You

Almost everyone who has ever deployed something hits this exact wall. You rent a VPS from one provider, maybe Hetzner, DigitalOcean, Contabo, or a Namecheap VPS. It gives you a public IP address, a st

0

VCVictor Chukwuemeka Onwuegbuchulemvictor-chukwuemeka.hashnode.dev2d ago · 19 min read

DNS: The Internet's Phone Book, and Its Biggest Weakness

At the end of the last post, you understood how a device is found on a network: by its IP address, the logical location that routing depends on. But then I pointed out something you have probably neve

0

Iiovoiovo.hashnode.devJul 6 · 3 min read

DMARC Just Got 3 New RFCs. Your DNS Record Doesn't Need to Change.

If you've ever pasted v=DMARC1; p=reject; into a TXT record and moved on with your life, here's something worth two minutes: the spec behind that record just changed. Not the syntax — the actual stand

0

VIVadim Ivanovrelaymetry.hashnode.devJul 4 · 5 min read

97.8% of the top 10,000 domains have no MTA-STS. Here's how to be in the other 2%

Of the 10,000 most-visited domains on the web, 97.8% have no MTA-STS policy at all. Not misconfigured. Not weak. Just absent. I scanned the Tranco top 10,000 in June and MTA-STS is the single most-ign

0

VIVadim Ivanovrelaymetry.hashnode.devJul 4 · 5 min read

SPF's 10-lookup limit: why your SPF silently fails, and how to fix it

Your SPF record can be perfectly valid, publish without a single error, and still fail every time it is checked. The reason is a rule most people never learn until it bites them: SPF is allowed at mos

0

VIVadim Ivanovrelaymetry.hashnode.devJul 2 · 6 min read

How to safely move your DMARC policy from p=none to p=reject

Publishing a DMARC record is the easy part. Most domains do it: in a scan I ran across the top 10,000 domains earlier this year, two thirds had a DMARC record, and only about half of those actually en

0

JTJakub T. Jankiewiczfreecodecamp.orgJul 1 · 10 min read

How to Build a Zero-Cost Personal Project with PHP, Wasmer, and Cloudflare

Recently, I wanted to reinvigorate my open-source project Clarity, an icon theme for Linux (GTK+). The icons allow users to create custom colors by adding SVG templates. And I wanted to have a platfor

0

VIVadim Ivanovrelaymetry.hashnode.devJun 30 · 5 min read

What 10,000 domains actually publish for email authentication in 2026

Email authentication has been "solved" on paper for years. SPF, DKIM, and DMARC are old standards, every deliverability guide repeats them, and Google and Yahoo made DMARC effectively mandatory for bu

0

TKTushar Kumar Jaiswalwebdevcohort2026.hashnode.devJun 29 · 8 min read

How DNS Resolution Work

What is DNS and why name resolution exists 👨: We are humans, we don’t understand computer’s language. 🤖: We are computers, we don’t understand human language. DNS comes to the picture. DNS performs

0

CAChris Athertonmessyblog.hashnode.devJun 29 · 5 min read

Getting Pi-hole on Your Pi, Plus Encryption

This is a guide for setting up a Raspberry Pi from scratch to run a headless Pi-hole server encrypting outgoing DNS queries through DNSCrypt-Proxy with the use of containers. Part 1: Baking the Pi I r

0

#dns

Search Hashnode

#dns

Explore Hashnode

Trending tags this week

Connecting a Domain to a VPS From a Different Company: The Guide Nobody Gives You

DNS: The Internet's Phone Book, and Its Biggest Weakness

DMARC Just Got 3 New RFCs. Your DNS Record Doesn't Need to Change.

97.8% of the top 10,000 domains have no MTA-STS. Here's how to be in the other 2%

SPF's 10-lookup limit: why your SPF silently fails, and how to fix it

How to safely move your DMARC policy from p=none to p=reject

How to Build a Zero-Cost Personal Project with PHP, Wasmer, and Cloudflare

What 10,000 domains actually publish for email authentication in 2026

How DNS Resolution Work

Getting Pi-hole on Your Pi, Plus Encryption