Does the SNIP have an IPv6 connection?
NIST has recently been able to obtain limited connectivity to Internet2. SNIP hopes to cooperate with ongoing Where are the SNIP secondaries? Current, the SNIP is a partnership between the NIST DNSSEC project and Sparta Inc, both under the Department of Homeland Security’s DNS Security deployment project. All zone transfers are protected using TSIG authenticated transactions as described in NIST SP 800-81 The primary authoritative server is located at NIST, with Sparta operating a secondary. A second primary authoritative server is operated in NIST’s Internet2 connection, which is a physically separated network at NIST and requires the server to act as a primary authoritative server instead of a secondary.