[dns-operations] micat.gov.lr

Mark Andrews marka at isc.org
Thu Jul 7 06:30:43 UTC 2016


What is there to be confused about?  The listed servers return
NXDOMAIN for micat.gov.lr so that is what gets cached.

;; BADCOOKIE, retrying.

; <<>> DiG 9.11.0b1 <<>> micat.gov.lr a +trace +all
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55382
;; flags: qr aa; QUERY: 1, ANSWER: 14, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
; COOKIE: ddd960b7c6a7fe6550c898e7577df6b86471df68d7aafe5d (good)
;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			518400	IN	NS	c.root-servers.net.
.			518400	IN	NS	j.root-servers.net.
.			518400	IN	NS	e.root-servers.net.
.			518400	IN	NS	l.root-servers.net.
.			518400	IN	NS	h.root-servers.net.
.			518400	IN	NS	d.root-servers.net.
.			518400	IN	NS	b.root-servers.net.
.			518400	IN	NS	g.root-servers.net.
.			518400	IN	NS	k.root-servers.net.
.			518400	IN	NS	f.root-servers.net.
.			518400	IN	NS	m.root-servers.net.
.			518400	IN	NS	i.root-servers.net.
.			518400	IN	NS	a.root-servers.net.
.			518400	IN	RRSIG	NS 8 0 518400 20160717050000 20160707040000 46551 . nUnFCINtw2sozbBllr2kOKtxBKYyq1J/tHlSjOhxDuV5vnaX8qD67H91 JjudBBbw/M/wrOsrcotHCUMD1kGpc8fW/nFjzBKD6MS4YkVL/PRS9Lek 6b6bQMjQwqnFWa6pT7fNEblAZhqWTz9+PBherhBim5rc0cF16tZSAs7i 0HY=

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Jul 07 16:29:12 EST 2016
;; MSG SIZE  rcvd: 425

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61981
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 7

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 1232
;; QUESTION SECTION:
;micat.gov.lr.			IN	A

;; AUTHORITY SECTION:
lr.			172800	IN	NS	rip.psg.com.
lr.			172800	IN	NS	fork.sth.dnsnode.net.
lr.			172800	IN	NS	hippo.ru.ac.za.
lr.			86400	IN	NSEC	ls. NS RRSIG NSEC
lr.			86400	IN	RRSIG	NSEC 8 1 86400 20160717050000 20160707040000 46551 . ZK7sMcfB/HTKD9mCJYlUZPt5EaUre5C42JylzJc7etnHaKFR31HVTSdY /zMPcIRFcQQiNANyKrnPBsMikMdf2rfy/y5bqmULjaKwnBT0kE7qFz54 lFfEwYEWzn6UYM6HTqz0pat7pmugT3EzDBCL89q2wDvAjuj3ang1QPxJ zU0=

;; ADDITIONAL SECTION:
rip.psg.com.		172800	IN	A	147.28.0.39
fork.sth.dnsnode.net.	172800	IN	A	77.72.229.254
hippo.ru.ac.za.		172800	IN	A	146.231.128.1
rip.psg.com.		172800	IN	AAAA	2001:418:1::39
fork.sth.dnsnode.net.	172800	IN	AAAA	2a01:3f0:0:306::53
hippo.ru.ac.za.		172800	IN	AAAA	2001:4200:1010::1

;; Query time: 401 msec
;; SERVER: 2001:503:c27::2:30#53(2001:503:c27::2:30)
;; WHEN: Thu Jul 07 16:29:12 EST 2016
;; MSG SIZE  rcvd: 443

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18595
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;micat.gov.lr.			IN	A

;; AUTHORITY SECTION:
micat.gov.lr.		14400	IN	NS	dns0.mtgsy.com.
micat.gov.lr.		14400	IN	NS	dns1.mtgsy.co.uk.
micat.gov.lr.		3600	IN	NSEC	moa.gov.lr. NS RRSIG NSEC
micat.gov.lr.		3600	IN	RRSIG	NSEC 8 3 3600 20160721024753 20160706200306 18795 lr. MyJ48209nXRe2Xug12tbXpnUFbXV06MOaROuW9uaaQkXDIznzitEDvdE dSeaWZBYOOxD4nW0beA/I5jSYPULnoypmIaofa3CZTsKYsiLeFneUat6 8AwvWV4NZVM3MxIakfYjLl5c2nmXpvSBDGmciv4g/orMDd4mDdcweRcV UZQsCEhwJZr5G4LB69gdppKaX5dDqm/elVI1POfYKa/fO4BRShLAO/CV sFnODaa0XYLCBDJOZ+4r6h3Fmazpcdd3keA2x5Onrq6SIpkS9Jlsv8jb 9FrdjXAli2aAVgpboiZFZAh1TzuDQyhT2K6Q/wSmoyAMP11SvEQqV49/ kQky+w==

;; Query time: 178 msec
;; SERVER: 147.28.0.39#53(147.28.0.39)
;; WHEN: Thu Jul 07 16:29:12 EST 2016
;; MSG SIZE  rcvd: 421

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52211
;; flags: qr ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
; COOKIE: ddd960b7c6a7fe6550c898e7577df6b86471df68d7aafe5d (good)
;; QUESTION SECTION:
;micat.gov.lr.			IN	A

;; Query time: 432 msec
;; SERVER: 37.247.49.35#53(37.247.49.35)
;; WHEN: Thu Jul 07 16:29:13 EST 2016
;; MSG SIZE  rcvd: 69

Mark

In message <m2a8hu3ryx.wl%randy at psg.com>, Randy Bush writes:
> i have put some hours into this and remain confused.
> 
> ran.psg.com:/home/randy> dig micat.gov.lr. ns
> 
> ; <<>> DiG 9.9.5-3ubuntu0.8-Ubuntu <<>> micat.gov.lr. ns
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17057
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;micat.gov.lr.                  IN      NS
> 
> ;; Query time: 37 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Thu Jul 07 05:53:38 UTC 2016
> ;; MSG SIZE  rcvd: 41
> 
> i can get the data from the primary
> 
> ran.psg.com:/home/randy> dig @rip.psg.com. micat.gov.lr. ns
> 
> ; <<>> DiG 9.9.5-3ubuntu0.8-Ubuntu <<>> @rip.psg.com. micat.gov.lr. ns
> ; (2 servers found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2161
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 1
> ;; WARNING: recursion requested but not available
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;micat.gov.lr.                  IN      NS
> 
> ;; AUTHORITY SECTION:
> micat.gov.lr.           14400   IN      NS      dns1.mtgsy.co.uk.
> micat.gov.lr.           14400   IN      NS      dns0.mtgsy.com.
> 
> ;; Query time: 71 msec
> ;; SERVER: 2001:418:1::39#53(2001:418:1::39)
> ;; WHEN: Thu Jul 07 06:01:02 UTC 2016
> ;; MSG SIZE  rcvd: 99
> 
> and the serials are aligned
> 
> ryuu.psg.com:/Users/randy> doc -p -w lr.
> Doc-2.2.3: doc -p -w lr.
> Doc-2.2.3: Starting test of lr.   parent is .
> Doc-2.2.3: Test date - Thu Jul  7 15:01:45 JST 2016
> Summary:
>    No errors or warnings issued for lr.
> Done testing lr.  Thu Jul  7 15:01:54 JST 2016
> 
> _______________________________________________
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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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