[dns-operations] ISC DLV broken?

Geoffrey Sisson geoff at geoff.co.uk
Sun Apr 5 06:36:17 UTC 2009


I wrote:

> It appears as if the RRSIG RRset returned by the DLV nameservers for
> "dlv.isc.org" is missing the RRSIG for the KSK, so validation for
> dlv.isc.org is failing.  It _does_ contain the RRSIG for the ZSK (key
> id 64263).

Example:

------------------------ Begin included text ------------------------

$ dig +norec +m +dn @sfba.sns-pb.isc.org. dlv.isc.org. dnskey

; <<>> DiG 9.6.0-P1 <<>> +norec +m +dn @sfba.sns-pb.isc.org. dlv.isc.org. dnskey
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54225
;; flags: qr aa; QUERY: 1, ANSWER: 4, AUTHORITY: 4, ADDITIONAL: 9

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;dlv.isc.org.		IN DNSKEY

;; ANSWER SECTION:
dlv.isc.org.		7200 IN	DNSKEY 257 3 5 (
				BEAAAAPHMu/5onzrEE7z1egmhg/WPO0+juoZrW3euWEn
				4MxDCE1+lLy2brhQv5rN32RKtMzX6Mj70jdzeND4XknW
				58dnJNPCxn8+jAGl2FZLK8t+1uq4W+nnA3qO2+DL+k6B
				D4mewMLbIYFwe0PG73Te9fZ2kJb56dhgMde5ymX4BI/o
				Q+cAK50/xvJv00Frf8kw6ucMTwFlgPe+jnGxPPEmHAte
				/URkY62ZfkLoBAADLHQ9IrS2tryAe7mbBZVcOwIeU/Rw
				/mRx/vwwMCTgNboMQKtUdvNXDrYJDSHZws3xiRXF1Rf+
				al9UmZfSav/4NWLKjHzpT59k/VStTDN0YUuWrBNh
				) ; key id = 19297
dlv.isc.org.		7200 IN	DNSKEY 256 3 5 (
				BEAAAAOlYGw53D+f01yCL5JsP0SB6EjYrnd0JYRBooAa
				GPT+Q0kpiN+7GviFh+nIazoB8e2Yv7mupgqkmIjObdcb
				GstYpUltdECdNpNmBvASKB9SBdtGeRvXXpORi3Qyxb9k
				HGG7SpzyYbc+KDVKnzYHB94pvqu3ZZpPFPBFtCibp/mk
				hw==
				) ; key id = 64263
dlv.isc.org.		7200 IN	DNSKEY 256 3 5 (
				BEAAAAPGBAwVFzuE6r0zjxHMug8if94gouJXT4xnKqOt
				BRNJ9KmIvHVh97hn5VN2T9z0SZ3Y2nPxTyksoX+X7L62
				QveGvHzHSEuo8iYq6INevwFTX1beCj/dhk9ZfEYkleoB
				4NUlHcam7juJWncRi/Vz/BpF2ec9fLqaAaP15AojoIoa
				Aw==
				) ; key id = 49899
dlv.isc.org.		7200 IN	RRSIG DNSKEY 5 3 7200 20090505042033 (
				20090405042033 64263 dlv.isc.org.
				ViunsXnrSvOBbIRbVg9Kdo+WQ3rB0lwvDpn30UXqne9u
				996x+h226sUglk59THY/xzPwLoEEATz6dEE6Fud3T0Is
				0EgVrq67DVcoL48Ub6M5eJi8roAqzIR4F5A+JXDbDLIS
				aKoz/UUwHNXGqvlg4Z7DxsrJO+JCgUZIsvz80cw= )

;; AUTHORITY SECTION:
dlv.isc.org.		3600 IN	NS ams.sns-pb.isc.org.
dlv.isc.org.		3600 IN	NS sfba.sns-pb.isc.org.
dlv.isc.org.		3600 IN	NS ord.sns-pb.isc.org.
dlv.isc.org.		3600 IN	RRSIG NS 5 3 3600 20090505042033 (
				20090405042033 64263 dlv.isc.org.
				RdtztBfZG4ABlWZ6Bw+0oJJ/zmqCGGDWgqCVf/86Gjg+
				KQ/U7aSGKkKvbeB7SjJ8AFjy5ha1JbZ/0attYUYMZoiy
				yRdpT3QMMfam8c94ROlhVZNSvIQb90+3c/jBaL/UYwxI
				GIvxPyrKRDuGSVoyWbmdueg8W0RuSKIpWlWqkz4= )

;; ADDITIONAL SECTION:
ams.sns-pb.isc.org.	43200 IN A 199.6.1.30
ord.sns-pb.isc.org.	43200 IN A 199.6.0.30
sfba.sns-pb.isc.org.	43200 IN A 149.20.64.3
sfba.sns-pb.isc.org.	43200 IN AAAA 2001:4f8:0:2::19
ams.sns-pb.isc.org.	43200 IN RRSIG A 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				jgqnXFXqaEWMT7kkzERUhMN0I94mReLUREkXcpnAFe65
				3U0srTQWjNmZQFqk6mwovYkkrC6j4f4pVcSE9MxHeCxb
				UhA/okHjmUYfcNJLc0LVZRiXeaw4YV7QuQeT7DJXGRzN
				CoHVRK3xZjl16qIf7fEPuFTfoIdxQ9oqk3ZZEU0= )
ord.sns-pb.isc.org.	43200 IN RRSIG A 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				Ti2WQoGt3k9+JRbT9eIGHZi9czzCOlR9dREanWs/P5NB
				6Rt9jr2KFVDZ9oCMDr1Rlvdih1Kg9CGPA9HbjQEM2WvZ
				MXOX6paTNOTJ9wW30RE6xBg7pTYUZfLHLRNVhCin/5/J
				mFyH6S4fFX8NRnBqXTURss53Ltxa0CKsBz6ft6E= )
sfba.sns-pb.isc.org.	43200 IN RRSIG A 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				fyu9MlYzUBDW8BX9BVI7iLTxhgUBmOoS7v0GLG9BGrlo
				odjcdap+UCMVp4TxIY40POkpyWk9XZ/4tarHm7DHhcM2
				5nwS5NARxawOFsEWri7Dv3SuMUNCw/lqEYtH41iu1+Wm
				YVYArQRjcWEG6sjgbvz7t9J7qeCbIHh6raIjc2M= )
sfba.sns-pb.isc.org.	43200 IN RRSIG AAAA 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				QWAqBqiOLlrme/leSdrtJMLjd4EeyXgokWlXM8F+AZy5
				9bwNLX6kd1hXowL/YhMN7cIAfR3cjWevBn6j0lJtm+mL
				lz8dbGFcznz8atb7NGk0VTzgQZtl5EXniectQ1tZaNsq
				v52+ehK5kYZE1lvwS23m7wk5nihNT7oudWdHb5I= )

;; Query time: 80 msec
;; SERVER: 149.20.64.3#53(149.20.64.3)
;; WHEN: Sat Apr  4 23:22:35 2009
;; MSG SIZE  rcvd: 1763

------------------------- End included text -------------------------
>From geoff at geoff.co.uk Sat Apr  4 23:32:54 2009
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Date: Sat, 04 Apr 2009 23:32:54 -0700
From: "Geoffrey Sisson" <geoff at geoff.co.uk>
To: geoff at geoff.co.uk
Subject: Re: [dns-operations] ISC DLV broken?
Content-Type: text/plain; charset=us-ascii

I wrote:

> It appears as if the RRSIG RRset returned by the DLV nameservers for
> "dlv.isc.org" is missing the RRSIG for the KSK, so validation for
> dlv.isc.org is failing.  It _does_ contain the RRSIG for the ZSK (key
> id 64263).

Here's an example:

------------------------ Begin included text ------------------------

$ dig +norec +m +dn @sfba.sns-pb.isc.org. dlv.isc.org. dnskey

; <<>> DiG 9.6.0-P1 <<>> +norec +m +dn @sfba.sns-pb.isc.org. dlv.isc.org. dnskey
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54225
;; flags: qr aa; QUERY: 1, ANSWER: 4, AUTHORITY: 4, ADDITIONAL: 9

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;dlv.isc.org.		IN DNSKEY

;; ANSWER SECTION:
dlv.isc.org.		7200 IN	DNSKEY 257 3 5 (
				BEAAAAPHMu/5onzrEE7z1egmhg/WPO0+juoZrW3euWEn
				4MxDCE1+lLy2brhQv5rN32RKtMzX6Mj70jdzeND4XknW
				58dnJNPCxn8+jAGl2FZLK8t+1uq4W+nnA3qO2+DL+k6B
				D4mewMLbIYFwe0PG73Te9fZ2kJb56dhgMde5ymX4BI/o
				Q+cAK50/xvJv00Frf8kw6ucMTwFlgPe+jnGxPPEmHAte
				/URkY62ZfkLoBAADLHQ9IrS2tryAe7mbBZVcOwIeU/Rw
				/mRx/vwwMCTgNboMQKtUdvNXDrYJDSHZws3xiRXF1Rf+
				al9UmZfSav/4NWLKjHzpT59k/VStTDN0YUuWrBNh
				) ; key id = 19297
dlv.isc.org.		7200 IN	DNSKEY 256 3 5 (
				BEAAAAOlYGw53D+f01yCL5JsP0SB6EjYrnd0JYRBooAa
				GPT+Q0kpiN+7GviFh+nIazoB8e2Yv7mupgqkmIjObdcb
				GstYpUltdECdNpNmBvASKB9SBdtGeRvXXpORi3Qyxb9k
				HGG7SpzyYbc+KDVKnzYHB94pvqu3ZZpPFPBFtCibp/mk
				hw==
				) ; key id = 64263
dlv.isc.org.		7200 IN	DNSKEY 256 3 5 (
				BEAAAAPGBAwVFzuE6r0zjxHMug8if94gouJXT4xnKqOt
				BRNJ9KmIvHVh97hn5VN2T9z0SZ3Y2nPxTyksoX+X7L62
				QveGvHzHSEuo8iYq6INevwFTX1beCj/dhk9ZfEYkleoB
				4NUlHcam7juJWncRi/Vz/BpF2ec9fLqaAaP15AojoIoa
				Aw==
				) ; key id = 49899
dlv.isc.org.		7200 IN	RRSIG DNSKEY 5 3 7200 20090505042033 (
				20090405042033 64263 dlv.isc.org.
				ViunsXnrSvOBbIRbVg9Kdo+WQ3rB0lwvDpn30UXqne9u
				996x+h226sUglk59THY/xzPwLoEEATz6dEE6Fud3T0Is
				0EgVrq67DVcoL48Ub6M5eJi8roAqzIR4F5A+JXDbDLIS
				aKoz/UUwHNXGqvlg4Z7DxsrJO+JCgUZIsvz80cw= )

;; AUTHORITY SECTION:
dlv.isc.org.		3600 IN	NS ams.sns-pb.isc.org.
dlv.isc.org.		3600 IN	NS sfba.sns-pb.isc.org.
dlv.isc.org.		3600 IN	NS ord.sns-pb.isc.org.
dlv.isc.org.		3600 IN	RRSIG NS 5 3 3600 20090505042033 (
				20090405042033 64263 dlv.isc.org.
				RdtztBfZG4ABlWZ6Bw+0oJJ/zmqCGGDWgqCVf/86Gjg+
				KQ/U7aSGKkKvbeB7SjJ8AFjy5ha1JbZ/0attYUYMZoiy
				yRdpT3QMMfam8c94ROlhVZNSvIQb90+3c/jBaL/UYwxI
				GIvxPyrKRDuGSVoyWbmdueg8W0RuSKIpWlWqkz4= )

;; ADDITIONAL SECTION:
ams.sns-pb.isc.org.	43200 IN A 199.6.1.30
ord.sns-pb.isc.org.	43200 IN A 199.6.0.30
sfba.sns-pb.isc.org.	43200 IN A 149.20.64.3
sfba.sns-pb.isc.org.	43200 IN AAAA 2001:4f8:0:2::19
ams.sns-pb.isc.org.	43200 IN RRSIG A 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				jgqnXFXqaEWMT7kkzERUhMN0I94mReLUREkXcpnAFe65
				3U0srTQWjNmZQFqk6mwovYkkrC6j4f4pVcSE9MxHeCxb
				UhA/okHjmUYfcNJLc0LVZRiXeaw4YV7QuQeT7DJXGRzN
				CoHVRK3xZjl16qIf7fEPuFTfoIdxQ9oqk3ZZEU0= )
ord.sns-pb.isc.org.	43200 IN RRSIG A 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				Ti2WQoGt3k9+JRbT9eIGHZi9czzCOlR9dREanWs/P5NB
				6Rt9jr2KFVDZ9oCMDr1Rlvdih1Kg9CGPA9HbjQEM2WvZ
				MXOX6paTNOTJ9wW30RE6xBg7pTYUZfLHLRNVhCin/5/J
				mFyH6S4fFX8NRnBqXTURss53Ltxa0CKsBz6ft6E= )
sfba.sns-pb.isc.org.	43200 IN RRSIG A 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				fyu9MlYzUBDW8BX9BVI7iLTxhgUBmOoS7v0GLG9BGrlo
				odjcdap+UCMVp4TxIY40POkpyWk9XZ/4tarHm7DHhcM2
				5nwS5NARxawOFsEWri7Dv3SuMUNCw/lqEYtH41iu1+Wm
				YVYArQRjcWEG6sjgbvz7t9J7qeCbIHh6raIjc2M= )
sfba.sns-pb.isc.org.	43200 IN RRSIG AAAA 5 4 43200 20090504233258 (
				20090404233258 50082 isc.org.
				QWAqBqiOLlrme/leSdrtJMLjd4EeyXgokWlXM8F+AZy5
				9bwNLX6kd1hXowL/YhMN7cIAfR3cjWevBn6j0lJtm+mL
				lz8dbGFcznz8atb7NGk0VTzgQZtl5EXniectQ1tZaNsq
				v52+ehK5kYZE1lvwS23m7wk5nihNT7oudWdHb5I= )

;; Query time: 80 msec
;; SERVER: 149.20.64.3#53(149.20.64.3)
;; WHEN: Sat Apr  4 23:22:35 2009
;; MSG SIZE  rcvd: 1763

------------------------- End included text -------------------------



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