On your PC, it's using the ISP's IPv6 DNS servers instead of your IPv4 pihole. You can try configuring it to point to your IPv4 pihole manually. Alternatively, getting an IPv6 address from your VPS might resolve the issue.
On your PC, it's using the ISP's IPv6 DNS servers instead of your IPv4 pihole. You can try configuring it to point to your IPv4 pihole manually. Alternatively, getting an IPv6 address from your VPS might resolve the issue.