failure because TXT dns records are sometimes filtered

yesterday it was working poerfectly on ubuntu 18.04
today it fails with this error:

```
2021-07-28T00:47:28Z INF Requesting new Quick Tunnel...
2021-07-28T00:47:32Z INF +------------------------------------------------------+
2021-07-28T00:47:32Z INF | Your Quick Tunnel has been created! Visit it at: |
2021-07-28T00:47:32Z INF | cool-creativity-petersburg-makes.trycloudflare.com |
2021-07-28T00:47:32Z INF +------------------------------------------------------+
2021-07-28T00:47:32Z INF Version 2021.7.3
2021-07-28T00:47:32Z INF GOOS: linux, GOVersion: devel +11087322f8 Fri Nov 13 03:04:52 2020 +0100, GoArch: amd64
2021-07-28T00:47:32Z INF Generated Connector ID: a02696fb-d996-4047-b4f5-e860be44bfce
2021-07-28T00:47:32Z INF cloudflared will not automatically update when run from the shell. To enable auto-updates, run cloudflared as a service: https://developers.cloudflare.com/argo-tunnel/reference/service/
2021-07-28T00:47:52Z ERR Couldn't start tunnel error="lookup protocol.argotunnel.com on 127.0.0.53:53: read udp 127.0.0.1:39905->127.0.0.53:53: i/o timeout"
lookup protocol.argotunnel.com on 127.0.0.53:53: read udp 127.0.0.1:39905->127.0.0.53:53: i/o timeout

```

same goes if I change dns
note: the machine is a VM inside my main pc.

on my windows host pc I can do:
cloudflared tunnel --url http://192.168.1.104:XXXX

yesterday the same command worked on the guest machine (192.168.1.104)
today gives that error.

any clue?