20250716 .se have 1386523 delegated zones
4885684 UDP and 1 TCP questions in 1h18m1.552s gave us
29.96% have IPv6 on www
85.00% have IPv6 on one or more DNS
28.23% have IPv6 on one or more MX
256 have only IPv6 on the www
I know IPv6, NOT HTML! :)

 Date     www       ns       mx    IPv6-only
20250716 29.96     85.00    28.23     256
20250715 29.96     85.03    28.24     254
20250714 29.92     84.89    28.20     254
20250713 29.90     84.84    28.19     254
20250712 29.93     84.90    28.20     254
20250711 29.92     84.88    28.21     254
20250710 29.89     84.61    28.18     255
20250709 29.91     84.66    28.19     256
20250708 29.86     84.53    28.13     254
20250706 29.92     84.68    28.18     257