Table:
text: Root name server
Root server addresses
Root server addresses
Letter IPv6_address AS_number Operator_ Location_sites_global_local Software
A 2001:503:ba3e::2:30 AS19836 Verisign Distributed using anycast 8/0 BIND
B 2001:478:65::53 N/A USC - ISI Marina Del Rey, California, U.S. 0/1 BIND
C N/A expected 2001:500:2::c but not yet in zone AS2149 Cogent Communications Distributed using anycast 8/0 BIND
D 2001:500:2d::d AS27 University of Maryland College Park, Maryland, U.S. 1/0 BIND
E N/A AS297 NASA Distributed using anycast 1/11 BIND
F 2001:500:2f::f AS3557 Internet Systems Consortium Distributed using anycast 5/51 BIND 9
G N/A AS5927 Defense Information Systems Agency Distributed using anycast 6/0 BIND
H 2001:500:1::803f:235 AS13 U.S. Army Research Lab Aberdeen Proving Ground, Maryland, U.S. 2/0 NSD

Question: What IPv6 address had a location distributed using anycast 8/0 and a letter A in the root nameserver?

Question: Among the root nameservers, which site has an AS number of N/A?

Question: What letter does a Defense Information Systems Agency operator have among the root name servers?