20241221 .se have 1400224 delegated zones
4919078 UDP and 1 TCP questions in 44m45.129s gave us
28.64% have IPv6 on www
83.32% have IPv6 on one or more DNS
21.16% have IPv6 on one or more MX
252 have only IPv6 on the www
I know IPv6, NOT HTML! :)

 Date     www       ns       mx    IPv6-only
20241221 28.64     83.32    21.16     252
20241220 28.64     83.31    21.15     251
20241219 28.64     83.30    21.14     251
20241218 28.64     83.29    21.14     251
20241217 28.61     83.20    21.11     252
20241216 28.63     83.25    21.11     255
20241215 28.61     83.22    21.10     255
20241214 28.62     83.24    21.11     256
20241213 28.64     83.28    21.12     257
20241212 28.71     83.36    21.15     254