dig -- only RRSIG present.

dE . de.techno at gmail.com
Mon Feb 13 04:24:39 UTC 2012


On 02/12/12 23:13, Miek Gieben wrote:
> [ Quoting<de.techno at gmail.com>  at 23:10 on Feb 12 in "dig -- only RRSIG pr..." ]
>> I'm trying to see DNSSEC response of various sites; my DNS server is
>> 8.8.8.8 (google's public DNS service)
> Google's public resolvers don't handle DNSSEC very well...
>
> grtz Miek
>
>
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They claim that they do support -

http://code.google.com/speed/public-dns/faq.html#dnssec

But, that's not apparent -

dig +dnssec -t A yahoo.com @198.41.0.4

; <<>> DiG 9.8.1 <<>> +dnssec -t A yahoo.com @198.41.0.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47278
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 15, ADDITIONAL: 16
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 512
;; QUESTION SECTION:
;yahoo.com.                     IN      A

;; AUTHORITY SECTION:
com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
com.                    86400   IN      DS      30909 8 2 
E2D3C916F6DEEAC73294E8268FB5885044A833FC5459588F4A9184CF C41A5766
com.                    86400   IN      RRSIG   DS 8 1 86400 
20120219000000 20120211230000 51201 . 
lgz7WlGBmaimFXYL+W3TDqi0fFDZGyH2p2OunrTmx93yDdPatscOEm2c 
19dxFFiZloABGT9fLrE+FYKmTtGUP/UFWdqfgX3MpTCJrJL2DeJ6m3q+ 
qMj+OOm+0RWi14jxnvLn8yLqwr5uwzvqpUBGBWJUBM/Qm07Bjg1Jr+pR Ibw=

;; ADDITIONAL SECTION:
a.gtld-servers.net.     86400   IN      AAAA    2001:503:a83e::2:30
a.gtld-servers.net.     86400   IN      A       192.5.6.30
b.gtld-servers.net.     86400   IN      AAAA    2001:503:231d::2:30
b.gtld-servers.net.     86400   IN      A       192.33.14.30
c.gtld-servers.net.     86400   IN      A       192.26.92.30
d.gtld-servers.net.     86400   IN      A       192.31.80.30
e.gtld-servers.net.     86400   IN      A       192.12.94.30
f.gtld-servers.net.     86400   IN      A       192.35.51.30
g.gtld-servers.net.     86400   IN      A       192.42.93.30
h.gtld-servers.net.     86400   IN      A       192.54.112.30
i.gtld-servers.net.     86400   IN      A       192.43.172.30
j.gtld-servers.net.     86400   IN      A       192.48.79.30
k.gtld-servers.net.     86400   IN      A       192.52.178.30
l.gtld-servers.net.     86400   IN      A       192.41.162.30
m.gtld-servers.net.     86400   IN      A       192.55.83.30

;; Query time: 202 msec
;; SERVER: 198.41.0.4#53(198.41.0.4)
;; WHEN: Mon Feb 13 09:52:35 2012
;; MSG SIZE  rcvd: 733

------------------------------------------------------------------------


dig +dnssec -t A yahoo.com @8.8.8.8

; <<>> DiG 9.8.1 <<>> +dnssec -t A yahoo.com @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33152
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 512
;; QUESTION SECTION:
;yahoo.com.                     IN      A

;; ANSWER SECTION:
yahoo.com.              1683    IN      A       98.137.149.56
yahoo.com.              1683    IN      A       98.139.183.24
yahoo.com.              1683    IN      A       209.191.122.70
yahoo.com.              1683    IN      A       72.30.2.43

;; Query time: 53 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Feb 13 09:53:26 2012
;; MSG SIZE  rcvd: 102
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