problem registering DS records with EDUCAUSE, sanity check please

Mark Andrews marka at isc.org
Tue Jul 15 00:19:10 UTC 2014


The new key does not sign the DNSKEY RRset.

% dig csupomona.edu dnskey +rrcomm +dnssec | grep 58561
csupomona.edu.		43072	IN	DNSKEY	257 3 8 AwEAAdSfxR9Es3kRy4G0elMdTaxzQ8zWw9urWU1Tq4kc21Ca0wsFZQCB 1jU5XNXCiITwEiRboxO5nOgBHGqI0+Et39NUr7Oi252bsKowQbibnd3Y 6oeUfZvKyqgvNlSJqpLdC5SsHN2r9lHREpO3VpE+bZDdfMys8Lb3xtNq dzjRX8a4nz0zH1JfrSQG92pP5YXhErsP//r7YCOQdwnuNsWmECWXDISD hlorYqRsHNmjFsnrCpbDkrp9J84ItPcN7DXqDofxRqGxIZ+sx7GcXecC cyAEtHrM1bZuhzwUjWiscfADWwNTfRrxRxPAgAAorXL4/dYAx/8QfFIN z2/w8Pblrs0=  ; KSK; alg = RSASHA256; key id = 58561
% 

Compare this with the current key.

% dig csupomona.edu dnskey +rrcomm +dnssec | grep 64507
csupomona.edu.		42904	IN	DNSKEY	257 3 8 AwEAAdGKMuliCXyKT1xnqZTCu0XJwJ45uDXi/OWnYbIJox7TejDTS9j9 mZqnzh/T+s8awm/qJDJASSfK1Udi58I32kZr/O+hzyPR7IH7JT61YWjP Ilf3WslOS9hmsUEEWxvu8WdmLbyHaf+wWFUMYiyvHcVcw1xPlURI0z6x P1vLl0/Oxy4qNRTARjfcuj5MmdntmB7PHR3nK+Hm8NO1Yt1yDnHTr2LB KGneJdwYUPaSXW+R8nUF98yrZghn0LjzKo3Rp7QZ446dxN8OTjo+KDyx boP5+dO+EnU7qRuYWfLjwomtI7S1sWQZbIkGhQsS2FIcC9y3SL1LYWe8 HtqBkozSED8=  ; KSK; alg = RSASHA256; key id = 64507
csupomona.edu.		42904	IN	RRSIG	DNSKEY 8 2 43200 20140818161836 20140714163232 64507 csupomona.edu. o4bJimrnoVXVtv4eviO5xKwULVrNv0d1nGQ09yDOAJa5dls9ZIgbca2/ feCDC7xZv6r2586PUBL1kyRlxJGLXBbKz7UK6svMOrUrEYEZivWBFP3D wb6KjrtyN/8sF0ab7Y7x9plGPh8PYpU/Q3QX9XCdolZTTAUvoCQlFkgs o5jvJkl2JvlJ2aP7IbcuExpQc+M9gSU5hE7V5WZv8DrI2iwZh17fzBcm qmX9R7UBnIyvZFDKsVd4QUVLh6+XGyMU8WZWhoiApWLhaWvL3QxNBWHn FrhkZq+V3IKNxxDs2KzwAaq8JWBefFXQP6tCS77NZgR43OBIOZp/m8Zi gOJGWQ==
% 

Make sure the DNSKEY RRset is signed with the new key then try to
add the DS record to the parent.

Mark

In message <044501cf9fa1$a5374e90$efa5ebb0$@acm.org>, "Paul B. Henson" writes:
> We roll our KSK's for our edu domain annually in July, after which I need to
> manually go to the EDUCAUSE management site to delete the old DS records for
> the key no longer in use, and add the new DS records for the key just
> published and scheduled to be used the following year.
> 
> This year, after deleting the old records, I have been unable to add the new
> records, when I try to add the new records into their system, it tells me
> "We were unable to locate the DNSSEC data you entered in the published zone
> for this domain". From what I understand, they basically do a DNSKEY lookup
> for the zone, and if you are trying to enter DS records for a key that
> doesn't exist, they try to keep you from shooting yourself in the foot.
> However, I'm reasonably sure I am entering the correct records for the new
> key that is published and does exist.
> 
> After opening a trouble ticket, they indicate that they have received no
> other complaints and as far as they know their system is working correctly.
> While they continue to look into it, I was hoping to get a quick sanity
> check to make sure I'm not doing something stupid :).
> 
> As of today, there are three DNSKEY KSK's being published in our zone,
> csupomona.edu:
> 
>                         43200   DNSKEY  257 3 8 (
> 
>                                         AwEAAdFxrkq3ckurcqLiyaoXUTgnbNYeNqPz
> 
>                                         ux9X90Y4mxdgq+by/q7n+tAFL0D3mnR583f7
> 
>                                         BFjRCWjNU5Txn2kkc3vCW7vy4ACzOw1svEXu
> 
>                                         pA+VW4SxwkzIIlXDYqA0H9rwtuh02KXCLDNX
> 
>                                         NMJE/gmjHUUavy99sK+fbZp/+wDIG6E/xEgi
> 
>                                         a/AzeXlN5ooorNl5HqHYRCl3q0tAHSiXCDmV
> 
>                                         gRc1mKKPfURILiaGiHMAt13duN+COtX0I3GJ
> 
>                                         T1t54NJ6pUWzHo0G9l4XzKB+QDXrVSjIbw+I
> 
>                                         3f2AQ2X2OtOyL+8ZnDK9WxoaJF2IwUsy4Gkw
> 
>                                         etIyZrxbdOJegbuKQG9ocVs=
> 
>                                         ) ; KSK; alg = RSASHA256; key id =
> 7390
> 
> This is the old key, that was in use from 7/2013-7/2014, and will actually
> be removed tomorrow.
> 
>                         43200   DNSKEY  257 3 8 (
> 
>                                         AwEAAdGKMuliCXyKT1xnqZTCu0XJwJ45uDXi
> 
>                                         /OWnYbIJox7TejDTS9j9mZqnzh/T+s8awm/q
> 
>                                         JDJASSfK1Udi58I32kZr/O+hzyPR7IH7JT61
> 
>                                         YWjPIlf3WslOS9hmsUEEWxvu8WdmLbyHaf+w
> 
>                                         WFUMYiyvHcVcw1xPlURI0z6xP1vLl0/Oxy4q
> 
>                                         NRTARjfcuj5MmdntmB7PHR3nK+Hm8NO1Yt1y
> 
>                                         DnHTr2LBKGneJdwYUPaSXW+R8nUF98yrZghn
> 
>                                         0LjzKo3Rp7QZ446dxN8OTjo+KDyxboP5+dO+
> 
>                                         EnU7qRuYWfLjwomtI7S1sWQZbIkGhQsS2FIc
> 
>                                         C9y3SL1LYWe8HtqBkozSED8=
> 
>                                         ) ; KSK; alg = RSASHA256; key id =
> 64507
> 
> This is the current key in use, originally published 7/2013, activated
> 7/2014, and scheduled to be used through 7/2015. This key has DS records in
> the edu zone that I added last year:
> 
> csupomona.edu.          IN DS 64507 8 1
> 4736F7DB4A69FF2A97C7CAF3848EFD0BBC42AC1C
> csupomona.edu.          IN DS 64507 8 2
> 
> 85567D63F5AA85A9CE5303776F3DBBCFCB8C82F254E55EE4ECC4279A 04CC350A
> 
>                         43200   DNSKEY  257 3 8 (
> 
>                                         AwEAAdSfxR9Es3kRy4G0elMdTaxzQ8zWw9ur
> 
>                                         WU1Tq4kc21Ca0wsFZQCB1jU5XNXCiITwEiRb
> 
>                                         oxO5nOgBHGqI0+Et39NUr7Oi252bsKowQbib
> 
>                                         nd3Y6oeUfZvKyqgvNlSJqpLdC5SsHN2r9lHR
> 
>                                         EpO3VpE+bZDdfMys8Lb3xtNqdzjRX8a4nz0z
> 
>                                         H1JfrSQG92pP5YXhErsP//r7YCOQdwnuNsWm
> 
>                                         ECWXDISDhlorYqRsHNmjFsnrCpbDkrp9J84I
> 
>                                         tPcN7DXqDofxRqGxIZ+sx7GcXecCcyAEtHrM
> 
>                                         1bZuhzwUjWiscfADWwNTfRrxRxPAgAAorXL4
> 
>                                         /dYAx/8QfFINz2/w8Pblrs0=
> 
>                                         ) ; KSK; alg = RSASHA256; key id =
> 58561
> 
> And finally, the new key I just created, for which I'm trying to add DS
> records. The dsset file created by dnssec-signzone says these records should
> be:
> 
> csupomona.edu.          IN DS 58561 8 1
> 68893E21C919C85530F9033B4315F68D1248CDBC
> csupomona.edu.          IN DS 58561 8 2
> DDA5E90D66BB90E2D10881DE0974A3DF0A3C614A6D88C1BA28B19546 1E45C8C5
> 
> The same records are generated by dnssec-dsfromkey. Yet, when I try to
> register these DS records with EDUCAUSE, their system claims they cannot
> find a matching key in our published zone.
> 
> Does anybody see anything out of place? Fortunately, the key is not
> scheduled to be used until 2015, so there's plenty of time to work this out;
> unfortunately, it's gnawing at me that it's not complete yet 8-/.
> 
> Thanks.
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org


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