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5.2

DNS is not pointing to correct IP for dynamic IP

Asked by torpster in Miscellaneous Networking, Dynamic Host Configuration Protocol (DHCP), Domain Name Service (DNS)

Tags: ip

Problem is for torpey.org, all the subdomains work as expected. Wrong IP is 67.9.156.29, Correct IP is 66.68.50.11

I use a dynamic DNS service (freedns.afraid.org).  I have setup at netsol.com to have four nameservers: ns[1-4].afraid.org.  When I dig @ these NS I have the correct IP address.  When I look around the internet at other NS, it has an old IP address.  

Below is a rr.com NS that I use.  It shows the correct NS ns[1-4].afraid.org.  I let it time out and dig again and it gets the wrong IP address.  Below that will be the zone file from freedns.afraid.org.

[root@firewall root]# dig torpey.org @24.93.40.75

; <<>> DiG 9.2.4 <<>> torpey.org @24.93.40.75
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11967
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;torpey.org.                    IN      A

;; ANSWER SECTION:
torpey.org.             1       IN      A       67.9.156.29

;; AUTHORITY SECTION:
torpey.org.             1       IN      NS      ns3.afraid.org.
torpey.org.             1       IN      NS      ns4.afraid.org.
torpey.org.             1       IN      NS      ns1.afraid.org.
torpey.org.             1       IN      NS      ns2.afraid.org.

;; ADDITIONAL SECTION:
ns1.afraid.org.         40345   IN      A       69.93.44.254
ns2.afraid.org.         5794    IN      A       69.26.167.62
ns3.afraid.org.         21841   IN      A       66.252.11.124
ns4.afraid.org.         26      IN      A       69.93.44.251

;; Query time: 28 msec
;; SERVER: 24.93.40.75#53(24.93.40.75)
;; WHEN: Fri Mar  4 08:21:09 2005
;; MSG SIZE  rcvd: 187

[root@firewall root]# dig torpey.org @24.93.40.75

; <<>> DiG 9.2.4 <<>> torpey.org @24.93.40.75
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26391
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;torpey.org.                    IN      A

;; ANSWER SECTION:
torpey.org.             86400   IN      A       67.9.156.29

;; AUTHORITY SECTION:
torpey.org.             86400   IN      NS      ns2.afraid.org.
torpey.org.             86400   IN      NS      ns3.afraid.org.
torpey.org.             86400   IN      NS      ns4.afraid.org.
torpey.org.             86400   IN      NS      ns1.afraid.org.

;; ADDITIONAL SECTION:
ns1.afraid.org.         40344   IN      A       69.93.44.254
ns2.afraid.org.         5793    IN      A       69.26.167.62
ns3.afraid.org.         21840   IN      A       66.252.11.124
ns4.afraid.org.         25      IN      A       69.93.44.251

;; Query time: 63 msec
;; SERVER: 24.93.40.75#53(24.93.40.75)
;; WHEN: Fri Mar  4 08:21:11 2005
;; MSG SIZE  rcvd: 187


;
; zone for torpey.org
; built on 2005-03-03 14:56:21
;

$TTL    3603

@       86400      IN      SOA     ns1.afraid.org. dnsadmin.afraid.org.  (
                                50303004    ; Serial
                                86400    ; Refresh
                                7200     ; Retry
                                3600000    ; Expire
                                3603 )  ; Minimum

@            86400      IN      NS      ns1.afraid.org.
@            86400      IN      NS      ns2.afraid.org.
@            86400      IN      NS      ns3.afraid.org.
@            86400      IN      NS      ns4.afraid.org.


localhost            IN      A      127.0.0.1

; torpster
@      3600      IN      MX      10 buster.torpey.org.

; torpster
@      3600      IN      LOC      30 13 08 N 97 58 08 W 357m

; torpster
@      60      IN      A      66.68.50.11

; torpster
buster      3600      IN      A      66.68.50.11

; torpster
ftp      3600      IN      CNAME      buster.torpey.org.

; torpster
mail      3600      IN      CNAME      buster.torpey.org.

; torpster
www      3600      IN      CNAME      buster.torpey.org.


[root@firewall root]# dnstracer -o -s. torpey.org
Tracing to torpey.org[a] via A.ROOT-SERVERS.NET, maximum of 3 retries
A.ROOT-SERVERS.NET [.] (198.41.0.4)
 |\___ TLD6.ULTRADNS.CO.UK [org] (198.133.199.11) Got authoritative answer
 |\___ TLD5.ULTRADNS.INFO [org] (192.100.59.11) Got authoritative answer
 |\___ TLD4.ULTRADNS.org [org] (199.7.67.1) Got authoritative answer
 |\___ TLD3.ULTRADNS.org [org] (199.7.66.1) Got authoritative answer
 |\___ TLD2.ULTRADNS.NET [org] (204.74.113.1) Got authoritative answer
  \___ TLD1.ULTRADNS.NET [org] (204.74.112.1) Got authoritative answer

TLD1.ULTRADNS.NET (204.74.112.1)        torpey.org -> 67.9.156.29
TLD2.ULTRADNS.NET (204.74.113.1)        torpey.org -> 67.9.156.29
TLD3.ULTRADNS.org (199.7.66.1)          torpey.org -> 67.9.156.29
TLD4.ULTRADNS.org (199.7.67.1)          torpey.org -> 67.9.156.29
TLD5.ULTRADNS.INFO (192.100.59.11)      torpey.org -> 67.9.156.29
TLD6.ULTRADNS.CO.UK (198.133.199.11)    torpey.org -> 67.9.156.29
[root@firewall root]# dnstracer -o torpey.org
Tracing to torpey.org[a] via 24.93.40.62, maximum of 3 retries
24.93.40.62 (24.93.40.62)
 |\___ ns3.afraid.org [torpey.org] (66.252.11.124) Got authoritative answer
 |\___ ns2.afraid.org [torpey.org] (69.26.167.62) Got authoritative answer
 |\___ ns1.afraid.org [torpey.org] (69.93.44.254) Got authoritative answer
  \___ ns4.afraid.org [torpey.org] (69.93.44.251) Got authoritative answer

ns4.afraid.org (69.93.44.251)           torpey.org -> 66.68.50.11
ns1.afraid.org (69.93.44.254)           torpey.org -> 66.68.50.11
ns2.afraid.org (69.26.167.62)           torpey.org -> 66.68.50.11
ns3.afraid.org (66.252.11.124)          torpey.org -> 66.68.50.11
---------------------------------------------------------------------------------------------------------------------


I dont understand where the NS are getting the wrong IP address.  I dont know why ULTRADNS.* is giving an authoritative answer.

I know there will be more questions before answers, ask away.

Thank you in advance,
Steve
 
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Zones: Miscellaneous Networking, Dynamic Host Configuration Protocol (DHCP), Domain Name Service (DNS)
Tags: ip
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Solution Provided By: kLea2
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Solution Grade: B
 
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