PiHole on Synology Can't Access Internet

Expected Behaviour:

Pihole should have access to internet.

  • Synology DSM 6.2.4-25556 running on a DS1520+ INTEL Celeron J4125
  • Docker 18.09.0-0519
  • PiHhole latest image

Actual Behaviour:

It appears that I cannot ping or do anything, including sending a debug log!

Debug Token:

Curl and NetCat both failed to upload the debug, so here's a pastebin that will expire in 24 hours.

You have a connectivity problem, not a Pi-hole problem.

1. *** [ DIAGNOSING ]: Operating system

2. [i] dig return code: 9

3. [i] dig response: ;; connection timed out; no servers could be reached

*** [ DIAGNOSING ]: Name resolution (IPv4) using a random blocked domain and a known ad-serving domain
[✓] nysun.com.112.2o7.net is via localhost (
[✓] nysun.com.112.2o7.net is via Pi-hole (
[✗] Failed to resolve doubleclick.com via a remote, public DNS server (

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