also read http://www.openldap.org/doc/admin22/schema.html chapter #8.2
for suggestive setup of ranges
+
+http://www.nacs.uci.edu/idm/Directories/LDAP/
+
+ homepageurl
+
+http://fsuid.fsu.edu/admin/lib/WinADLDAPAttributes.html
+
+ wwwhomepage
+
+http://tools.ietf.org/id/draft-ietf-asid-x500-url-00.txt
+
+
+
+DNS
+---
+
+http://www.ietf.org/rfc/rfc1279.txt
+ldap2zone, ldap2dns, ldapdns