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DNS · Troubleshooting · Network

DNS Resolution and Routing Troubleshooting Flowchart

סוג תרשים זרימהתקן Sugiyama layered DAG + orthogonal routingמנוע schematex-flowchartעודכן 24.8.2026
DNS Resolution and Routing Troubleshooting Flowchart
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התרחיש

A user's website resolves to the wrong IP address, and the flowchart guides troubleshooting from local DNS cache to ISP-level issues.

מה מופיע בתרשים הזה

פענחו את ההחלטות שמאחוריו.

01

Check whether the wrong IP is from local DNS cache

02

Compare ISP DNS answer with a public resolver

03

Switch to public DNS as a temporary workaround

Use when diagnosing DNS resolution errors caused by stale or poisoned caches at the local or ISP level.

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