On 27.06.2013 10:45, Vladimir Sharun wrote:
> Пруф для истории:
> 
> 
> 
> [vsh:~]$ dig @ns4.yandex.ru yandex.ua soa
> 
> ; <<>> DiG 9.8.4-P1 <<>> @ns4.yandex.ru yandex.ua soa
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 1725
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> ;; WARNING: recursion requested but not available
> 
> ;; QUESTION SECTION:
> ;yandex.ua.                     IN      SOA
> 
> ;; Query time: 28 msec
> ;; SERVER: 77.88.21.1#53(77.88.21.1)
> ;; WHEN: Thu Jun 27 10:37:46 2013
> ;; MSG SIZE  rcvd: 27
> 
> [vsh:~]$ dig @ns4.yandex.ru yandex.ru soa
> 
> ; <<>> DiG 9.8.4-P1 <<>> @ns4.yandex.ru yandex.ru soa
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 39318
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> ;; WARNING: recursion requested but not available
> 
> ;; QUESTION SECTION:
> ;yandex.ru.                     IN      SOA
> 
> ;; Query time: 19 msec
> ;; SERVER: 77.88.21.1#53(77.88.21.1)
> ;; WHEN: Thu Jun 27 10:43:42 2013
> ;; MSG SIZE  rcvd: 27
> 

шаловливые ручки талантливых  хостмастеров яндекса?

$ dig @ripe.ns.ua. ns yandex.ua

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 <<>> @ripe.ns.ua. ns
yandex.ua
; (2 servers found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62622
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 0

;; QUESTION SECTION:
;yandex.ua.                     IN      NS

;; AUTHORITY SECTION:
yandex.ua.              72072   IN      NS      ns4.yandex.ru.
yandex.ua.              72072   IN      NS      ns1.yandex.ru.
yandex.ua.              72072   IN      NS      ns2.yandex.ru.



$ dig @ns1.yandex.ru ns yandex.ua

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 <<>> @ns1.yandex.ru ns
yandex.ua
; (2 servers found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4626
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 4

;; QUESTION SECTION:
;yandex.ua.                     IN      NS

;; ANSWER SECTION:
yandex.ua.              172800  IN      NS      ns2.yandex.ru.
yandex.ua.              172800  IN      NS      ns1.yandex.ru.