Those Dinosaurs… had money? Turns out they also created a ledger system.
I wonder what entry you’re looking for…
Referring back to the first challenge, the DNS record is this
edger entry available at LEDGER subdomain -- flag: dinosaurs_must_stay_informed
This tells us there is a LEDGER subdomain: LEDGER.dinosaurneverforgetsystem.tk
Using the same online DNS record viewer, we get this TXT record
3890a940bf54bb50d2ad334d0d0ddbda8a8737b6873277412756724292e89e31
When searching on Google, the first result is this bitcoin transaction. Look at the output scripts and we have our flag
those_dinosaurs_sure_are_clever