DNS working but Error Timeout

[Jules13]

Hi,
I've got a double nat config (can't put ISP in bridge mode)
I've successfully installed pfsense on proxmox but I've got a problem with internet access:
On my laptop (windows 10, all network settings on Auto/DHCP), I have internet access without problems during hours and sometimes when it fails, I disconnect and reconnect to the wifi and it works again.
But on devices such as apple Ipad and IPhones, I have internet access just after the connection and when I close and reopen apps after few minutes, I've got no internet : Error TimeOut.
I must manually renew the dhcp lease and then it works again for few minutes.
With my laptop (that has internet i've got these results with dns namebench)
🔒 Log in to view 🔒 Log in to view 🔒 Log in to view

Here is my configuration in firewall and DNS resolver:
🔒 Log in to view 🔒 Log in to view 🔒 Log in to view

But with another bench software i've got better results:

192.168.  1.  1 |  Min  |  Avg  |  Max  |Std.Dev|Reliab%|
Cached Name   | 0.001 | 0.001 | 0.003 | 0.000 | 100.0 |
Uncached Name | 0.013 | 0.071 | 0.272 | 0.082 | 100.0 |
DotCom Lookup | 0.010 | 0.025 | 0.030 | 0.004 | 100.0 |
                   pfSense.localdomain
                Local Network Nameserver

    8.  8.  8.  8 |  Min  |  Avg  |  Max  |Std.Dev|Reliab%|
 Cached Name   | 0.011 | 0.012 | 0.014 | 0.001 |  97.9 |
 Uncached Name | 0.029 | 0.067 | 0.340 | 0.066 | 100.0 |
 DotCom Lookup | 0.033 | 0.036 | 0.041 | 0.001 | 100.0 |
             google-public-dns-a.google.com
                 GOOGLE - Google LLC, US

8.  8.  4.  4 |  Min  |  Avg  |  Max  |Std.Dev|Reliab%|
Cached Name   | 0.011 | 0.012 | 0.015 | 0.001 | 100.0 |
Uncached Name | 0.028 | 0.073 | 0.341 | 0.080 | 100.0 |
DotCom Lookup | 0.033 | 0.036 | 0.040 | 0.001 | 100.0 |
             google-public-dns-b.google.com
                 GOOGLE - Google LLC, US