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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

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Domains IDN Domains Explained: Why Your URL Shows as xn--...

Domain address bar showing xn-- text instead of your real domain? Learn how IDN/Punycode encoding works and fix the DNS, SSL, and email issues it causes.

20 July 2026 · 6 min · 18 views