To prevent users from getting rate limited while still receiving the benefits of OISD Big and other security filters, using the "Large" variant is highly recommended for mission-critical applications or very big networks.
The "Small" variant blocks automated traffic and not suitable for anything mission-critical.
Recommended to always use DNS-over-HTTPS since Plain DNS is not secure.
To prevent users from getting rate limited while still receiving the benefits of OISD Big and other security filters, using the "Large" variant is highly recommended for mission-critical applications or very big networks. The "Small" variant blocks automated traffic and not suitable for anything mission-critical.
Recommended to always use DNS-over-HTTPS since Plain DNS is not secure.