Problems with reverse lookup in Address Book
NEC's new professional monitor has plenty of exciting lookup tables!
Case-sensitive DNS lookup bug: a follow-up
Some people have noticed an issue in Snow Leopard where iTunes will query for Audio CD track information and then promptly unmount the CD from the system.
Another Mac OS X 10.2.x DNS Lookup workaround
Resolving DNS lookup issues in Mac OS X 10.2.2
Odds & Ends: DNS lookup glitch?; LCD lamps;
Troubleshooting Mac OS X 10.2.2: Samsung Drivers Due; DNS Lookup; Erratic Mouse Movement
Toast 4: update to restore track info lookup planned; Alternative lookups for Toast and other applications
Assorted Toast issues: Authoring support follow-up; CDDB lookup no longer working in version 4