Question 1 :
I see some inbound connections that have IPv4 addresses. These IPv4 addresses do not show up on bitnodes, so I am a bit curious as to what these addresses are.
As said in your other thread,
Due to decentralization, it's possible for few nodes to not be crawled by bitnodes
Question 2:
Is my node running both on IP and TOR?
It's weird that you have both IPv4 and Tor connections. Do the IPv4 allow incoming connections? Try setting
listen=0.
Question 3:
If I understand correctly when running a node on TOR, DNS seeders are not utilized and it defaults to the harcoded list of .onion addresses. My first outbound peer was not in the list of addresses in the file. Where could this have come from?
Bitcoin Core contains some IP addresses
by default, so this is one guess.