In June 2004, the JP TLD changed the way it handles DNS glue records. Although the change was technically correct, some domains encountered difficulties in name resolution. Investigation revealed that the problems were caused by old BIND implementations and by the way nameservers were configured. This presentation explains the problem with the old BIND implementations and recommends a method for configuring nameservers.

About the Presenter
Masato Minda joined JPRS in June 2003 and engaged in researching DNS. Prior to JPRS, he started his career in operating servers at an ISP, and moved to a securities company. He is also a member of the WIDE Project.