Adam Langley's Roughtime protocol[1] largely solves some (but not all types) of time malfeasance, and a variant of it is already an IETF draft specification[2]. There is also NTS, which is secure NTP and provides some protections, but not nearly as many.

[1]: https://roughtime.googlesource.com/roughtime/

[2]: https://tools.ietf.org/html/draft-roughtime-aanchal-01