hmm, dns na yasha.ubuntu.cz se aktuálně jeví jako nedostupný
jmp@ic-q180:~$ dig blog.ubuntu.cz @kitsune.ubuntu.cz
; <<>> DiG 9.8.1-P1 <<>> blog.ubuntu.cz @kitsune.ubuntu.cz
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5174
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 4
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;blog.ubuntu.cz. IN A
;; ANSWER SECTION:
blog.ubuntu.cz. 60 IN CNAME www.ubuntu.cz.
www.ubuntu.cz. 60 IN A 217.31.205.115
;; AUTHORITY SECTION:
ubuntu.cz. 86400 IN NS yasha.ubuntu.cz.
ubuntu.cz. 86400 IN NS kitsune.ubuntu.cz.
;; ADDITIONAL SECTION:
yasha.ubuntu.cz. 60 IN A 217.31.205.115
kitsune.ubuntu.cz. 60 IN A 217.31.205.123
yasha.ubuntu.cz. 60 IN AAAA 2001:1488:d91f:cd78::73
kitsune.ubuntu.cz. 60 IN AAAA 2001:1488:d91f:cd78::7b
;; Query time: 14 msec
;; SERVER: 217.31.205.123#53(217.31.205.123)
;; WHEN: Tue May 22 21:05:28 2012
;; MSG SIZE rcvd: 205
jmp@ic-q180:~$ dig blog.ubuntu.cz @yasha.ubuntu.cz
; <<>> DiG 9.8.1-P1 <<>> blog.ubuntu.cz @yasha.ubuntu.cz
;; global options: +cmd
;; connection timed out; no servers could be reached
jmp@ic-q180:~$ dig party.ubuntu.cz @yasha.ubuntu.cz
; <<>> DiG 9.8.1-P1 <<>> party.ubuntu.cz @yasha.ubuntu.cz
;; global options: +cmd
;; connection timed out; no servers could be reached
jmp@ic-q180:~$ dig party.ubuntu.cz @kitsune.ubuntu.cz
; <<>> DiG 9.8.1-P1 <<>> party.ubuntu.cz @kitsune.ubuntu.cz
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4850
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 4
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;party.ubuntu.cz. IN A
;; ANSWER SECTION:
party.ubuntu.cz. 60 IN CNAME www.ubuntu.cz.
www.ubuntu.cz. 60 IN A 217.31.205.115
;; AUTHORITY SECTION:
ubuntu.cz. 86400 IN NS yasha.ubuntu.cz.
ubuntu.cz. 86400 IN NS kitsune.ubuntu.cz.
;; ADDITIONAL SECTION:
yasha.ubuntu.cz. 60 IN A 217.31.205.115
kitsune.ubuntu.cz. 60 IN A 217.31.205.123
yasha.ubuntu.cz. 60 IN AAAA 2001:1488:d91f:cd78::73
kitsune.ubuntu.cz. 60 IN AAAA 2001:1488:d91f:cd78::7b
;; Query time: 15 msec
;; SERVER: 217.31.205.123#53(217.31.205.123)
;; WHEN: Tue May 22 21:06:35 2012
;; MSG SIZE rcvd: 206
jmp@ic-q180:~$ dig forum.ubuntu.cz @yasha.ubuntu.cz
; <<>> DiG 9.8.1-P1 <<>> forum.ubuntu.cz @yasha.ubuntu.cz
;; global options: +cmd
;; connection timed out; no servers could be reached
jmp@ic-q180:~$