You need to contact the registar for netdentalcare.com and update the HOST record for ns.netdentalcare.com to have the new address record. This changes what GLUE is published in the COM zone. Mark -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org