DNS, Routing & BGP

Resolvers, DNSSEC, anycast, BGP hijacks/leaks, and routing security (RPKI).

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Latest in DNS, Routing & BGP

DEV Community
dev.to > valord33 > custom-domain-onboarding-show-dns-records-copy-or-write-them-for-customers-2djh

Custom Domain Onboarding: Show DNS Records, Copy or Write Them for Customers

13+ hour, 8+ min ago   (674+ words) Short answer: show the exact SPF, DKIM, and DMARC records first, then let a customer explicitly authorize a write; this keeps onboarding honest when the DNS zone is customer-owned and prevents your intent from drifting away from what the internet…...

Medium
medium.com > @samym6624 > why-claimable-doesnt-always-mean-exploitable-a-subdomain-takeover-that-wasn-t-c431e3f5dbef

Why “Claimable” Doesn’t Always Mean “Exploitable”: A Subdomain Takeover That Wasn’t

8+ hour, 31+ min ago   (150+ words) A dangling CNAME, a claimable Mailgun domain, and a rejection that taught me more than an acceptance would have. Subdomain takeover checklists all say some version of the same thing: find a CNAME pointing to a service, confirm the target…...

DEV Community
dev.to > webvogue > what-i-learned-checking-65-client-domains-with-rdap-instead-of-whois-5cd3

What I learned checking 65 client domains with RDAP instead of WHOIS

13+ hour, 56+ min ago   (611+ words) I built a domain expiry monitor, and to test it against something other than my own domains I pointed it at the "our work" pages of 30 US web design agencies — the client sites they link to publicly — and checked every…...

DEV Community
dev.to > ntctech > the-domain-was-the-containment-unit-icann-is-reconsidering-that-2e72

The Domain Was the Containment Unit. ICANN Is Reconsidering That.

17+ hour, 22+ min ago   (21+ words) For two years, domain accountability in DNS abuse enforcement has effectively meant one report, one... Tagged with dns, security, infrastructure, governance....

DEV Community
dev.to > megalraja > what-actually-happens-when-you-type-a-url-in-your-browser-1b1n

What Actually Happens When You Type a URL in Your Browser?

18+ hour, 21+ min ago   (280+ words) Have you ever wondered what happens after you type something like: But behind that one click, your browser performs several steps before showing you the webpage. A URL contains different parts: The browser first understands what resource you're trying to…...

DEV Community
dev.to > mordecainilsson7582 > customer-domains-and-dns-records-signed-urls-for-secure-asset-delivery-2nlg

Customer Domains and DNS Records: Signed URLs for Secure Asset Delivery

1+ day, 1+ hour ago   (396+ words) Short answer: point a customer subdomain at your asset host with a CNAME, then keep authorization in signed URLs. DNS decides where a request goes; it never decides who may make it. Treat onboarding as two separate flows. First, ask…...

DEV Community
dev.to > dorianvale91583 > dns-automation-worth-building-manual-console-vs-nodejs-provisioning-pipeline-2026-52o2

DNS Automation Worth Building — Manual Console vs Node.js Provisioning Pipeline, 2026

1+ day, 5+ hour ago   (741+ words) Short answer: keep a manual DNS console for a small, slow-changing portfolio; build a provisioning pipeline when tenant subdomains are part of a repeatable property-management workflow and a missed record can block move-in. The dividing line is not a magic…...

@circleid
circleid.com > posts > caribbean-born-niel-harper-joins-icann-board

Caribbean-Born Niel Harper Joins ICANN Board, Sets Out Priorities in Q&A

2+ day, 13+ hour ago   (334+ words) 2029 is three years away. Whether you see that time as long or short probably depends on what you intend to do by then. Success is a function of expectations. Worth writing down what Niel Harper expects. Which is why the…...

@circleid
circleid.com > posts > icann-sets-guidelines-to-advance-universal-acceptance-of-internationalized-domains-and-email

ICANN Sets Guidelines to Advance Universal Acceptance of Internationalized Domains and Email

2+ day, 15+ hour ago   (299+ words) CircleID ICANN has published a new set of guidelines for advancing Universal Acceptance, shifting its decade-long effort to make all valid domain names and email addresses work across Internet applications toward more systematic implementation and measurement. The September 9 publication follows…...

Salesforce
salesforce.com > blog > dns-records-for-email-deliverability-the-complete-guide

DNS Records for Email Deliverability: The Complete Guide

2+ day, 16+ hour ago   (694+ words) Before implementing specialized authentication protocols, organizations must establish a solid baseline of foundational DNS resource records. These records act as the address book, alias router, and identity verifier for sending infrastructure. Originally designed in RFC 1035 to carry human-readable, unformatted text…...