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Can I have a look at your named cache please?

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Per Gregers Bilse bilse at EU.net
Sun Mar 24 16:24:31 CET 1996
On Mar 24, 15:44, Geert Jan de Groot <GeertJan.deGroot at ripe.net> wrote:
> It would be real nice if the maintainers of some 'popular' 
> caching nameservers would do a cache dump  (kill -INT named),
> look if @.root-servers.net is listed somewhere, and send me the
> details if you find it in your cache.

I guess this is what you're looking for:

com     463260  IN      NS      E.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      I.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      F.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      G.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      A.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      H.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      B.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      C.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        463260  IN      NS      D.ROOT-SERVERS.net.     ;Cr=addtnl [199.245.73.2]
        203729  IN      NS      @.ROOT-SERVERS.net.     ;Cr=addtnl [192.94.214.100]
        337532  IN      NS      I.ROOT-SERVERS.LET.     ;Cr=addtnl [198.71.19.35]
        337532  IN      NS      F.ROOT-SERVERS.LET.     ;Cr=addtnl [198.71.19.35]
        337532  IN      NS      G.ROOT-SERVERS.LET.     ;Cr=addtnl [198.71.19.35]
        337532  IN      NS      A.ROOT-SERVERS.LET.     ;Cr=addtnl [198.71.19.35]
        337528  IN      NS      H.ROOT-SERVERS.LET.     ;Cr=addtnl [198.71.19.35]
        297856  IN      NS      F.I.ROOT-SERVERS.NET.   ;Cr=addtnl [198.71.19.34]
        83517   IN      SOA     A.ROOT-SERVERS.NET. HOSTMASTER.INTERNIC.NET. (
                1996032200 10800 900 604800 86400 )     ;Cr=addtnl [192.36.148.17]


jotun.EU.net% dig @192.94.214.100 com. ns

; <<>> DiG 2.0 <<>> @192.94.214.100 com. ns 
;; ->>HEADER<<- opcode: QUERY , status: NOERROR, id: 10
;; flags: qr rd ra ; Ques: 1, Ans: 15, Auth: 0, Addit: 9
;; QUESTIONS: 
;;      com, type = NS, class = IN

;; ANSWERS:
com.    392808  NS      F.ROOT-SERVERS.net.
com.    392808  NS      G.ROOT-SERVERS.net.
com.    392808  NS      A.ROOT-SERVERS.net.
com.    392808  NS      H.ROOT-SERVERS.net.
com.    392808  NS      B.ROOT-SERVERS.net.
com.    392808  NS      C.ROOT-SERVERS.net.
com.    392808  NS      D.ROOT-SERVERS.net.
com.    182865  NS      @.ROOT-SERVERS.net.
com.    267814  NS      F.I.ROOT-SERVERS.net.
com.    303622  NS      I.ROOT-SERVERS.LET.
com.    303622  NS      F.ROOT-SERVERS.LET.
com.    303622  NS      G.ROOT-SERVERS.LET.
com.    303622  NS      A.ROOT-SERVERS.LET.
com.    392808  NS      E.ROOT-SERVERS.net.
com.    392808  NS      I.ROOT-SERVERS.net.

;; ADDITIONAL RECORDS:
F.ROOT-SERVERS.net.     156342  A       192.5.5.241
G.ROOT-SERVERS.net.     217670  A       192.112.36.4
A.ROOT-SERVERS.net.     38853   A       198.41.0.4
H.ROOT-SERVERS.net.     604534  A       128.63.2.53
B.ROOT-SERVERS.net.     441895  A       128.9.0.107
C.ROOT-SERVERS.net.     442792  A       192.33.4.12
D.ROOT-SERVERS.net.     348963  A       128.8.10.90
E.ROOT-SERVERS.net.     301944  A       192.203.230.10
I.ROOT-SERVERS.net.     442726  A       192.36.148.17

;; Sent 1 pkts, answer found in time: 120 msec 
;; FROM: jotun.EU.net to SERVER: 192.94.214.100
;; WHEN: Sun Mar 24 16:13:07 1996
;; MSG SIZE  sent: 21  rcvd: 437

jotun.EU.net% host 192.94.214.100
Name: relay.tis.com
Address: 192.94.214.100

jotun.EU.net% 


The amount of crap floating around in DNS space is actually quite
disconcerting.  Let's just pick one of the sources shown above:

jotun.EU.net% host 199.245.73.2
Name: ns2.MainStreet.Net
Address: 199.245.73.2

jotun.EU.net% dig @199.245.73.2 . ns

; <<>> DiG 2.0 <<>> @199.245.73.2 . ns 
;; ->>HEADER<<- opcode: QUERY , status: NOERROR, id: 10
;; flags: qr rd ra ; Ques: 1, Ans: 9, Auth: 0, Addit: 15
;; QUESTIONS: 
;;      ., type = NS, class = IN

;; ANSWERS:
.       517076  NS      H.ROOT-SERVERS.NET.
.       517076  NS      B.ROOT-SERVERS.NET.
.       517076  NS      C.ROOT-SERVERS.NET.
.       517076  NS      D.ROOT-SERVERS.NET.
.       517076  NS      E.ROOT-SERVERS.NET.
.       517076  NS      I.ROOT-SERVERS.NET.
.       517076  NS      F.ROOT-SERVERS.NET.
.       517076  NS      G.ROOT-SERVERS.NET.
.       517076  NS      A.ROOT-SERVERS.NET.

;; ADDITIONAL RECORDS:
H.ROOT-SERVERS.NET.     577657  A       128.63.2.53
B.ROOT-SERVERS.NET.     577657  A       128.9.0.107
B.ROOT-SERVERS.NET.     203240  A       128.9.0.0
C.ROOT-SERVERS.NET.     442285  A       192.33.4.12
D.ROOT-SERVERS.NET.     577657  A       128.8.10.90
D.ROOT-SERVERS.NET.     39628   A       192.5.5.241
D.ROOT-SERVERS.NET.     254525  A       128.8.10.88
E.ROOT-SERVERS.NET.     577657  A       192.203.230.10
E.ROOT-SERVERS.NET.     175214  A       224.203.230.10
E.ROOT-SERVERS.NET.     310335  A       192.201.230.10
E.ROOT-SERVERS.NET.     164163  A       192.203.228.10
I.ROOT-SERVERS.NET.     577657  A       192.36.148.17
F.ROOT-SERVERS.NET.     519502  A       192.5.5.241
G.ROOT-SERVERS.NET.     521347  A       192.112.36.4
A.ROOT-SERVERS.NET.     577657  A       198.41.0.4

;; Sent 1 pkts, answer found in time: 224 msec 
;; FROM: jotun.EU.net to SERVER: 199.245.73.2
;; WHEN: Sun Mar 24 16:16:05 1996
;; MSG SIZE  sent: 17  rcvd: 408

jotun.EU.net% 


OK, what's that with D.ROOT-SERVERS.NET, three addresses?

jotun.EU.net% host 192.5.5.241
Name: f.root-servers.net
Address: 192.5.5.241

jotun.EU.net% host 128.8.10.90
Name: d.root-servers.net
Address: 128.8.10.90

jotun.EU.net% host 128.8.10.88
128.8.10.88 does not exist (Authoritative answer)
jotun.EU.net% trc 128.8.10.88
traceroute to 128.8.10.88 (128.8.10.88), 30 hops max, 40 byte packets
 1  Amsterdam2.NL.EU.net (193.242.90.1)  2 ms  3 ms  2 ms
 2  Amsterdam5.NL.EU.net (134.222.85.5)  3 ms  3 ms  2 ms
 3  Vienna2.VA.US.EU.net (134.222.228.18)  86 ms  89 ms  91 ms
 4  mae-east.digex.net (192.41.177.115)  98 ms  104 ms  97 ms
 5  core1-hssi-2.us.dca.digex.net (206.205.246.1)  92 ms  88 ms  87 ms
 6  umd-gate.digex.net (206.205.243.2)  106 ms  96 ms  113 ms
 7  csc2gw-f0.umd.edu (128.8.1.225)  111 ms  90 ms  100 ms
 8  * * *
 9  * * *
10  * * *
11  * * *
12  * * *
13  * * *
14  * * csc2gw-f0.umd.edu (128.8.1.225)  101 ms !H
15  * * csc2gw-f0.umd.edu (128.8.1.225)  91 ms !H


Or E.ROOT-SERVERS.NET?

jotun.EU.net% host 192.203.230.10
Name: E.ROOT-SERVERS.NET
Address: 192.203.230.10

jotun.EU.net% host 192.201.230.10
192.201.230.10 does not exist (Authoritative answer)
jotun.EU.net% trc 192.201.230.10
traceroute to 192.201.230.10 (192.201.230.10), 30 hops max, 40 byte packets
 1  Amsterdam2.NL.EU.net (193.242.90.1)  4 ms  3 ms  2 ms
 2  Amsterdam5.NL.EU.net (134.222.85.5)  3 ms  5 ms  3 ms
 3  Amsterdam5.NL.EU.net (134.222.85.5)  6 ms !H * *
 4  Amsterdam5.NL.EU.net (134.222.85.5)  6 ms !H *  12 ms !H
jotun.EU.net% host 192.203.228.10
192.203.228.10 does not exist (Authoritative answer)
jotun.EU.net% trc 192.203.228.10
traceroute to 192.203.228.10 (192.203.228.10), 30 hops max, 40 byte packets
 1  Amsterdam2.NL.EU.net (193.242.90.1)  2 ms  2 ms  2 ms
 2  Amsterdam5.NL.EU.net (134.222.85.5)  2 ms  3 ms  3 ms
 3  Vienna2.VA.US.EU.net (134.222.228.18)  93 ms  85 ms  92 ms
 4  mae-east-plusplus.washington.mci.net (192.41.177.181)  337 ms  134 ms  160 ms
 5  borderx1-hssi2-0.Washington.mci.net (204.70.74.101)  127 ms  114 ms  98 ms
 6  core-fddi-0.Washington.mci.net (204.70.2.1)  92 ms  127 ms  127 ms
 7  core1-hssi-4.LosAngeles.mci.net (204.70.1.177)  244 ms  269 ms  310 ms
 8  border3-fddi-0.LosAngeles.mci.net (204.70.170.19)  340 ms  281 ms  312 ms
 9  telstra-internet.LosAngeles.mci.net (204.70.173.6)  498 ms  587 ms  544 ms
10  Fddi0-0.pad-core1.Sydney.telstra.net (139.130.249.226)  716 ms  441 ms  510 ms
11  Serial4-2.wel-core1.Perth.telstra.net (139.130.238.1)  526 ms  630 ms  599 ms
12  Fddi0-0.wel1.Perth.telstra.net (139.130.238.227)  680 ms  619 ms  699 ms
13  frontdoor.DIALix.COM (192.203.228.4)  728 ms frontdoor2.DIALix.COM (192.203.228.6)  682 ms frontdoor.DIALix.COM (192.203.228.4)  634 ms
14  * * *
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *

Not to mention 224.203.230.10 ....

-- 
====== ___                        === Per G. Bilse, Mgr Network Operations Ctr
===== /     /  /   __   ___  _/_ ==== EUnet Communications Services B.V.
==== /---  /  /  /  /  /__/  /  ===== Singel 540, 1017 AZ Amsterdam, NL
=== /___  /__/  /  /  /__   /  ====== tel: +31 20 6233803, fax: +31 20 6224657
===                           ======= 24hr emergency number: +31 20 421 0865
=== Connecting Europe since 1982  === http://www.EU.net; e-mail: bilse at EU.net
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