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After a registrar transfer last week, some users resolve the site and others get NXDOMAIN or SERVFAIL. Where did delegation break?

Mixed resolution after a transfer is not propagation voodoo. Compare the parent delegation, authoritative answers and validation results. NXDOMAIN and SERVFAIL are clues; neither names a unique cause.

Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Mixed resolution after a transfer is not propagation voodoo. Compare the parent delegation, authoritative answers and validation results. NXDOMAIN and SERVFAIL are clues; neither names a unique cause.

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