20250619 .se have 1387616 delegated zones
4889959 UDP and 1 TCP questions in 1h9m53.749s gave us
29.94% have IPv6 on www
84.76% have IPv6 on one or more DNS
28.15% have IPv6 on one or more MX
263 have only IPv6 on the www
I know IPv6, NOT HTML! :)

 Date     www       ns       mx    IPv6-only
20250619 29.94     84.76    28.15     263
20250618 29.76     84.32    28.00     264
20250617 29.83     84.49    28.04     262
20250616 29.79     84.40    28.01     264
20250615 29.81     84.45    28.03     266
20250613 29.79     84.43    28.01     268
20250612 29.84     84.55    28.04     269
20250610 29.73     84.28    27.94     270
20250609 29.79     84.43    27.98     269
20250608 29.78     84.41    27.98     268