4d ago · 6 min read · You wake up, grab coffee, and nothing works. Grafana won't load. Your reverse proxy is throwing 502s. SSH to your machines by hostname? Nope. But pinging by IP? Works fine. Congratulations, your domain just got added to a DNS blocklist and your entir...
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Apr 8 · 30 min read · Every time you type an address in your browser, your device makes a DNS query. By default, that query travels in plaintext to your ISP's resolver. The same ISP that swears it doesn't sell your data bu
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Apr 4 · 4 min read · Originally published on graycloudarch.com. You know what's the worst part of launching a new site? SSL certificate validation. Not creating the cert—that's one click in AWS ACM. It's the validation dance: AWS gives you a CNAME record: _abc123extrem...
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Apr 1 · 10 min read · You shipped fast code. Your users still wait. The culprit isn’t your server — it’s the lookup that happens before the first packet flies. Networking for Developers: DNS Explained (Why Your Site Take
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