Reminder to all TUNA customers who blacklist outbound traffic: you will need to whitelist the IP address range listed below to leverage TransUnion's secondary TUNA platform, which will enhance its current High Availability even further, as well as "future-proof" for upcomingTransUnion products.
IP address range: 220.127.116.11/20
TransUnion no longer supports Secure Sockets Layer (SSL) 3.0. The preferred Internet Browser versions include:
Internet Explorer (IE), versions 7-11(v11 highly preferred)
- Google Chrome, versions 1-40
- Mozilla Firefox, versions 1-36