Upgrade errors 8.1.2 to 8.2.5

[Duane VonLanken]

Can someone tell me why I am getting these errors since an upgrade from
8.1.2 to 8.2.5?
Why am I getting slashes, color, etc in my?
host name "210\.67\.243\.74.prairieview.k12.il.us" IN (query from
[206.166.53.20]) is invalid - rejecting
host name "208\.192\.39\.79.prairieview.k12.il.us" IN (query from
[206.166.53.20]) is invalid - rejecting
host name "208\.192\.39\.80.prairieview.k12.il.us" IN (query from
[206.166.53.20]) is invalid - rejecting
host name "\$\$F\032`?\$\$\$\$\$\032.champaign.org" IN (query from
[206.166.53.20]) is invalid - rejecting
host name "color=#ff6633>4.champaign.org" IN (query from [206.166.53.20]) is
invalid - rejecting
host name "an\032i\032hot\032or\032not.com.hsd2.k12.il.us" IN (query from
[206.166.53.20]) is invalid - rejecting
Thanx in advance.