20250426 .se have 1393518 delegated zones
4900663 UDP and 1 TCP questions in 58m18.885s gave us
29.41% have IPv6 on www
83.52% have IPv6 on one or more DNS
27.59% have IPv6 on one or more MX
272 have only IPv6 on the www
I know IPv6, NOT HTML! :)

 Date     www       ns       mx    IPv6-only
20250426 29.41     83.52    27.59     272
20250425 29.62     84.07    27.76     274
20250424 29.65     84.15    27.79     275
20250423 29.53     83.82    27.71     272
20250422 29.52     83.78    27.76     274
20250420 29.50     83.77    27.74     273
20250419 29.46     83.74    27.72     273
20250418 29.51     83.84    27.75     273
20250417 29.48     83.77    27.73     271
20250416 29.51     83.84    27.75     270