По наводке roem.ru – домен .РФ делегирован!
Навскидку – уже работают президент.рф и кц.рф.

$ dig ns xn--p1ai

; <<>> DiG 9.3.1 <<>> ns xn--p1ai
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28581
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 6

;; QUESTION SECTION:
;xn--p1ai. IN NS

;; ANSWER SECTION:
xn--p1ai. 345006 IN NS ns9.ripn.net.
xn--p1ai. 345006 IN NS e.dns.ripn.net.
xn--p1ai. 345006 IN NS f.dns.ripn.net.
xn--p1ai. 345006 IN NS ns.ripn.net.
xn--p1ai. 345006 IN NS ns2.ripn.net.
xn--p1ai. 345006 IN NS ns5.msk-ix.net.

;; ADDITIONAL SECTION:
e.dns.ripn.net. 57133 IN A 193.232.142.17
f.dns.ripn.net. 57133 IN A 193.232.156.17
ns.ripn.net. 57133 IN A 194.85.105.17
ns2.ripn.net. 57133 IN A 194.226.96.30
ns5.msk-ix.net. 57133 IN A 193.232.128.6
ns9.ripn.net. 57133 IN A 194.85.252.62

;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 12 18:08:25 2010
;; MSG SIZE rcvd: 244

$