On 02/13/12 08:29, Spain, Dr. Jeffry A. wrote:
As Tony Finch pointed out to me a few days ago, the Google public servers don't 
understand that fact about DS records, and don't know to ask for them in the 
parent. But here's something interesting - as of my testing just now, they *do* 
respond with DS records
This thread has been kind of confusing, but looking again at the original post 
(https://lists.isc.org/pipermail/bind-users/2012-February/086586.html), the 
author was concerned about the lack of DS records in response to his queries. 
Those two queries, directed to Google's server at 8.8.8.8, were:
dig +dnssec -t SOA org
dig +dnssec -t SOA org 198.41.0.4

I don't think any DS records should have been provided in the answers since SOA 
records were being requested. Your query:
dig isc.org @8.8.8.8 ds +dnssec
is requesting and receiving DS records, on the other hand.

I also see Mark's post just now where 'dig @8.8.8.8 ds org.' returns SERVFAIL 
while 'dig @8.8.8.8 ds isc.org.' returns the appropriate DS records. The same 
thing happens for me with 'dig @8.8.8.8 ds net.' and 'dig @8.8.8.8 ds 
jaspain.net.', and with 'dig @8.8.8.8 ds com.' and 'dig @8.8.8.8 ds 
countryday.com.'. Clearly Google's server is malfunctioning in this regard.

Jeffry A. Spain
Network Administrator
Cincinnati Country Day School

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But another question remains, where's the DNSKEY record which's the missing link as of the current time.

Querying --

dig +dnssec -t DNSKEY yahoo.com @198.41.0.4

Does not return anything.
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