For all the glee about the PAC12 "claiming" certain championships, it's not them. The list on their site is lifted directly from the official NCAA FBS Records Book, which lists all programs designated by a major selector.

It's on pages 114-119 of http://fs.ncaa.org/Docs/stats/football_records/2020/FBS.pdf

But, more interestingly, going through there I found some interesting records held by BYU players that I was not aware of and that are really cool; it's impressive how many all-time records are still held by BYU players. Really highlights our awesome history at TE

Most Rush TDs in a quarter: 4 (Dick Felt 1952)
Most consecutive games with 300+ pass yards: 24 (Ty Detmer, BYU 1989-1990)
Highest pass yards/attempt (season, min 400 attempts): 11.1 (Ty Detmer 1989)
Single Season TD Percentage (min 375 attempts) 11.5% (Jim McMahon 1980)
Career TE receptions per game: 5.4 Gordon Hudson (1980-1983)
Single-game TE yardage: 259 (Gordon Hudson, 1981)
Career TE yardage: 2901 (Dennis Pitta, 2004, 2007-2009)
Career TE yards/game: 75.3 (Gordon Hudson 1980-1983)
Career TE yards/reception: 19.2 (Clay Brown 1978-1980)
All-time Punt Returns: 153 (Vai Sikahema 1980-81,1984-85)
Single game kick return yardage: 342 (Chad Owens, 2001)
Highest-scoring tie: 52-52 (BYU/SDSU 1991)
Most opponent fumbles recovered: 36 (BYU 1977)
Highest punt average: 50.63 (1983)
Highest net punt average: 45.04 (1983)Most points scored in 4th quarter comeback: 36 (vs Washington St 1990)
Career yards/pass attempt (min 1000 attempts): 9.82 (Ty Detmer 1988-1991)
From 1977-1985, BYU led all but one season in pass yards/game

Just a bunch of other things.  If you CTRL-F BYU you'll find 223 mentions there and a ton of familiar names