T9397

Actiontec T9397 DNS Resolution Error

Actiontec DNS Resolution Error MI-Series
95% fix rate

Cause

DNSSEC validation failure for requested domain

Fix Steps

  1. Open router admin panel and navigate to DNS settings
  2. Change primary DNS to 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare)
  3. Set secondary DNS to 8.8.4.4 or 1.0.0.1
  4. Flush DNS cache: ipconfig /flushdns (Windows) or sudo dscacheutil -flushcache (Mac)
  5. Restart router and connected devices
  6. Test DNS resolution: nslookup google.com
  7. Contact ISP if DNS failures persist at their nameserver

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