why am i banned?

[hoth55]

my username is xXSlyNannersXx and it say's i've got a greifing ticket 1814.
why? i haven't been on the server for ages so how could i have greifed?
plz unban me i really like playing on your server with my friends.

[rbos]

According to logs you destroyed windows and wood blocks in a few different houses near spawn. We have three examples, from the 14th of the month.

[rbos]

I don't mind unbanning, but I would like an explanation and some assurance that it won't happen again.

[hoth55]

im sorry for greifing and i promise i will never do it again.

[rbos]

y'okay