No, pi hole does not require an internet connection.
No, pi hole does not require an internet connection.
Certainly, there are alternative ways to use it as a DNS server. You could connect a microUSB OTG adapter with a USB Ethernet or WiFi adapter. While finding these items might be difficult at the moment, Amazon appears to continue shipping non-essential products in a timely manner despite their current communications.
You might consider adding your own resolving hosts for local LAN resolution, though it’s not necessary for external domain queries which require an internet connection.