The search hits leave a bit to be desired.
Also IDNB doesn't show as an acronym so the previos branding efforts failed.
Domain Name: IDNB.com
Key Words: IDNB
Dictionary Words: 0
Total Word Score: 0
Extension relevance: yes
Google Hits: 1,160
Overture Hits: 0
Total Hits: 1,160
Market Rating: 2.0
Length: 4
Extension Rating: 5.0
Length Rating: 4
Popular Rating: 0
Composite: 2.5
High Retail: $100
Low Retail: $75
Wholesale: $23
Do a search and you may find a company that has the same init. and make more.
Cheers!