Hi As part of staged, incremental deployment of DNSSEC in the root zone L-Root will begin serving a Deliberately Unvalidatable Root Zone (DURZ) after the completion of its scheduled maintenance at 2010-01-27 1800 UTC - 2000 UTC Please contact L-Root NOC via noc(a)dns.icann.org or T: +1.310.301.5817 if you have any questions. Please contact with rootsign(a)icann.org if you have any questions regarding DNSSEC Deployment at root zone. Regards Joe Abley / Mehmet Akcin / Dave Knight ICANN DNS Ops / L-ROOT