DNS tool check for my domain

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DNS tool check for my domain

Asked by duncanb7

at 2024-03-21 09:14:57

Point:500 Replies:52 POST_ID:828578USER_ID:11059

Topic:

PHP Scripting Language;Apache Web Server;Domain Name Service (DNS)

I have used dig DNS tool to check the DNS info
and I found the result is always change like this as follows
it display the result between my old IP and new VPS IP
why it is not stable at all, suppose it show the fix result

; <<>> DiG 9.3.2 <<>> e-hftrade.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1854
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;e-hftrade.com. IN A

;; ANSWER SECTION:
e-hftrade.com. 300 IN A 212.1.214.60

;; AUTHORITY SECTION:
e-hftrade.com. 38435 IN NS park1.hosting24.com.
e-hftrade.com. 38435 IN NS park2.hosting24.com.

;; ADDITIONAL SECTION:
park1.hosting24.com. 38435 IN A 212.1.214.60
park2.hosting24.com. 38435 IN A 212.1.214.60

;; Query time: 268 msec
;; SERVER: 218.102.52.81#53(218.102.52.81)
;; WHEN: Fri Mar 22 00:08:11 2013
;; MSG SIZE rcvd: 129

; <<>> DiG 9.3.2 <<>> e-hftrade.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1965
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;e-hftrade.com. IN A

;; ANSWER SECTION:
e-hftrade.com. 14080 IN A 212.1.213.78

;; AUTHORITY SECTION:
e-hftrade.com. 86080 IN NS ns1.e-hftrade.com.
e-hftrade.com. 86080 IN NS ns2.e-hftrade.com.

;; ADDITIONAL SECTION:
ns1.e-hftrade.com. 169954 IN A 212.1.213.78
ns2.e-hftrade.com. 169954 IN A 212.1.213.78

;; Query time: 20 msec
;; SERVER: 218.102.52.81#53(218.102.52.81)
;; WHEN: Fri Mar 22 00:08:14 2013
;; MSG SIZE rcvd: 115

Author: duncanb7 replied at 2024-03-27 02:15:36

THanks for all of your reply
THe roots cause is DNS longer delay about 48 hours

now my website is stable

Author: duncanb7 replied at 2024-03-21 15:19:38

So , no final solution to my issue ?

Expert: modus_operandi replied at 2024-03-21 15:15:04

duncanb7,

I changed the zones for this question from

--PHP Scripting Language
--Apache Web Server
--Linux

to
--PHP Scripting Language
--Apache Web Server
--Linux
--Domain Name Service (DNS)

EE allows you to assign your question to up to three zones, and it almost always makes sense to assign your question to more than one. (Moderators, Admins, and ZAs can assign a 'neglected' question to up to five zones.)

modus_operandi
EE Admin

Expert: _jesper_ replied at 2024-03-21 15:13:42

So, either your browser has cached old data and needs to be restarted, your pc has cached old data (and DNS needs to be flushed) or/and your ISP has cached old data and you keep receiving that stale data.

Everything that I can see looks good.

Author: duncanb7 replied at 2024-03-21 14:07:49

So it might be cached issue on my window browser ?

Author: duncanb7 replied at 2024-03-21 14:01:13

just show my ISP information only

Author: duncanb7 replied at 2024-03-21 14:00:36

Why you ask ipconfig ?

Author: duncanb7 replied at 2024-03-21 14:00:10

Windows IP Configuration

Ethernet adapter ¿¿¿¿:

Connection-specific DNS Suffix . :

IP Address. . . . . . . . . . . . : 192.168.0.2

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . :

Ethernet adapter ¿¿¿¿ 2:

Media State . . . . . . . . . . . : Media disconnected

PPP adapter netvigator:

Connection-specific DNS Suffix . :

IP Address. . . . . . . . . . . . : 219.77.5.125

Subnet Mask . . . . . . . . . . . : 255.255.255.255

Default Gateway . . . . . . . . . : 219.77.5.125

Expert: _jesper_ replied at 2024-03-21 13:53:45

please do an "ipconfig" and tell me the name servers configured. it sounds like one of the servers is reporting stale data.

Author: duncanb7 replied at 2024-03-21 13:46:46

When I try it again , it just show sometimes, 212.1.214.60 soemtimes 212.1.213.78

Author: duncanb7 replied at 2024-03-21 13:45:30

but sometimes, it will report 212.1.213.78

that is why I always it is not stable

Author: duncanb7 replied at 2024-03-21 13:43:51

nslookup e-hftrad.ecom will report 212.1.214.60

Expert: _jesper_ replied at 2024-03-21 13:41:19

on the PC that you did an "ipconfig /flushdns", go to a command prompt and type "nslookup". what is the name server being used? an ipconfig should also give you that information.

Author: duncanb7 replied at 2024-03-21 13:29:06

I get WHM account, could I use it for DNS check ?

Expert: _jesper_ replied at 2024-03-21 13:18:00

the name server queried will show up at the end of a dig and nslookup.

Expert: _jesper_ replied at 2024-03-21 13:15:42

on that machine what is the nameserver used?

Author: duncanb7 replied at 2024-03-21 13:15:00

but still NOT stable, at one computer after ipcofig/flushdns, it will
report 212.1.214.60 by ping not 212.1.213.78

Expert: _jesper_ replied at 2024-03-21 13:07:54

no, it's immediate and no reboot.

Author: duncanb7 replied at 2024-03-21 13:06:50

Do I need to wait for 24 hour for DNS change ?

Author: duncanb7 replied at 2024-03-21 13:04:51

And then go to my hosting acocunt

do reboot and startup to my VPS acount agin RIght ?

Expert: _jesper_ replied at 2024-03-21 13:01:37

well, i put them one to each line:

nameserver 212.1.213.78

(and that's it since ns1 and ns2 resolv to the same machine). It would be recommended so have someone on another network provide secondary DNS for you (you would update both your registrar and your zone).

Author: duncanb7 replied at 2024-03-21 13:01:34

Is it correct to the modification, RIght ?
hosts
=====
127.0.0.1 localhost.localdomain localhost
# Auto-generated hostname. Please do not remove this comment.
212.1.213.78 vps.e-hftrade.com vps cpanel-x64.vps.me cpanel-x64
::1 localhost6 localhost6.localdomain6

resolv.conf
==========
nameserver ns1.e-hftrade.com ns2.e-hftrade.com

Author: duncanb7 replied at 2024-03-21 12:56:42

Expert: _jesper_ replied at 2024-03-21 12:54:08

why not the name server for e-hftrade.com (ns1 and ns2)?

Author: duncanb7 replied at 2024-03-21 12:52:08

Yes it is, just typing mistake
nameserver 8.8.8.8

Expert: _jesper_ replied at 2024-03-21 12:48:37

Only use the IPv6 representation with IPv6 localhosts.

::1 localhost6 localhost6.localdomain6

Modify your /etc/resolv.conf to use your name servers.

Author: duncanb7 replied at 2024-03-21 12:41:33

127.0.0.1 localhost.localdomain localhost
# Auto-generated hostname. Please do not remove this comment.
212.1.213.78 vps.e-hftrade.com vps localhost localhost4.localdomain4 localhost4 cpanel-x64.vps.me cpanel-x64 localhost.localdomain
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

But we should delete the cpanel stuff, right ?

How about this change as follows, Is it okay ?

======================
127.0.0.1 localhost.localdomain localhost
# Auto-generated hostname. Please do not remove this comment.
212.1.213.78 vps.e-hftrade.com vps cpanel-x64.vps.me cpanel-x64 localhost.localdomain
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

Expert: _jesper_ replied at 2024-03-21 12:30:13

it's just not an accurate representation.

Why are you not using your own name server? (no dot in front of the keyword "nameserver").

Assisted Solution

Author: duncanb7 replied at 2024-03-21 12:24:34

the /etc/resolv.conf is as follows

.nameserver 8.8.8.8

And why putting localhost stuff will affect unstable website ?

Expert: _jesper_ replied at 2024-03-21 12:11:17

don't put the "localhost" stuff on the same line as the other IPs.

127.0.0.1 localhost.localdomain localhost
212.1.212.78 vps.e-hftrade.com vps

Also, what do you have in /etc/resolv.conf?

Author: duncanb7 replied at 2024-03-21 11:31:43

But dig with trace or no trace, my website is still unstable, sometime works somstime not

Probably it is DNS propagation issue, RIght ?

How can I it is completed the who DNS progagation around the world, what tools or website
I can check it out

Please advise
Duncan

Author: duncanb7 replied at 2024-03-21 11:29:42

but my website is still unstable, sometime works somstime not

Author: duncanb7 replied at 2024-03-21 11:25:36

Without a trace, you are hitting [some] local DNS cache that has the incorrect info.

local DNS, you mean at my home PC window, but I already did ipconfig/flushdns clear up
WHy, you said that ?

Author: duncanb7 replied at 2024-03-21 11:23:42

At my VPS hosts file at /etc/

127.0.0.1 localhost.localdomain localhost
# Auto-generated hostname. Please do not remove this comment.
212.1.213.78 vps.e-hftrade.com vps localhost localhost4.localdomain4 localhost4 cpanel-x64.vps.me cpanel-x64 localhost.localdomain
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

Author: duncanb7 replied at 2024-03-21 11:23:03

hosts file at my VPS server, Right ?

Expert: _jesper_ replied at 2024-03-21 11:21:03

Do you have your hosts file configured (you shouldn't).

Expert: _jesper_ replied at 2024-03-21 11:18:11

When you do a trace, you're going all the way up the root and then back down.

Without a trace, you are hitting [some] local DNS cache that has the incorrect info.

Author: duncanb7 replied at 2024-03-21 11:15:42

Why I use dig e-hftrade.com +trace, the result is much stable
but when I use dig e-hftrade.com, the result is unstable as follow attached
and my website is unstable on Firefox, sometimes, go to ns1.e-hftra.decom
and sometimes, go to park1.hosting24.com, WHy ?

==========================
; <<>> DiG 9.3.2 <<>> e-hftrade.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1854
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;e-hftrade.com. IN A

;; ANSWER SECTION:
e-hftrade.com. 300 IN A 212.1.214.60

;; AUTHORITY SECTION:
e-hftrade.com. 38435 IN NS park1.hosting24.com.
e-hftrade.com. 38435 IN NS park2.hosting24.com.

;; ADDITIONAL SECTION:
park1.hosting24.com. 38435 IN A 212.1.214.60
park2.hosting24.com. 38435 IN A 212.1.214.60

;; Query time: 268 msec
;; SERVER: 218.102.52.81#53(218.102.52.81)
;; WHEN: Fri Mar 22 00:08:11 2013
;; MSG SIZE rcvd: 129

Author: duncanb7 replied at 2024-03-21 11:12:08

I am using xampp and apache on my WIndow 7 that should not affect my
dig DNS tool usage, Right ?
And the report is there for correct e-hftrade.com

; <<>> DiG 9.3.2 <<>> e-hftrade.com +trace
;; global options: printcmd
.                  458170      IN      NS      a.root-servers.net.
.                  458170      IN      NS      b.root-servers.net.
.                  458170      IN      NS      c.root-servers.net.
.                  458170      IN      NS      d.root-servers.net.
.                  458170      IN      NS      e.root-servers.net.
.                  458170      IN      NS      f.root-servers.net.
.                  458170      IN      NS      g.root-servers.net.
.                  458170      IN      NS      h.root-servers.net.
.                  458170      IN      NS      i.root-servers.net.
.                  458170      IN      NS      j.root-servers.net.
.                  458170      IN      NS      k.root-servers.net.
.                  458170      IN      NS      l.root-servers.net.
.                  458170      IN      NS      m.root-servers.net.
;; Received 512 bytes from 218.102.52.81#53(218.102.52.81) in 26 ms

com.                  172800      IN      NS      a.gtld-servers.net.
com.                  172800      IN      NS      b.gtld-servers.net.
com.                  172800      IN      NS      c.gtld-servers.net.
com.                  172800      IN      NS      d.gtld-servers.net.
com.                  172800      IN      NS      e.gtld-servers.net.
com.                  172800      IN      NS      f.gtld-servers.net.
com.                  172800      IN      NS      g.gtld-servers.net.
com.                  172800      IN      NS      h.gtld-servers.net.
com.                  172800      IN      NS      i.gtld-servers.net.
com.                  172800      IN      NS      j.gtld-servers.net.
com.                  172800      IN      NS      k.gtld-servers.net.
com.                  172800      IN      NS      l.gtld-servers.net.
com.                  172800      IN      NS      m.gtld-servers.net.
;; Received 503 bytes from 198.41.0.4#53(a.root-servers.net) in 27 ms

e-hftrade.com.            172800      IN      NS      ns1.e-hftrade.com.
e-hftrade.com.            172800      IN      NS      ns2.e-hftrade.com.
;; Received 99 bytes from 192.5.6.30#53(a.gtld-servers.net) in 258 ms

e-hftrade.com.            300      IN      A      212.1.214.60
.                  86400      IN      NS      localhost.
;; Received 113 bytes from 212.1.214.60#53(ns1.e-hftrade.com) in 242 ms

Expert: _jesper_ replied at 2024-03-21 11:00:54

I queried all of the gtld servers and they all report ns1/ns2.e-hftrade.com as the authoritative name servers.

Expert: _jesper_ replied at 2024-03-21 10:53:53

would you please post the output from the above (corrected) command?

Author: duncanb7 replied at 2024-03-21 10:50:58

sorry wrong report it shoude dig e-hftrade.com +trace , typing mistake

Author: duncanb7 replied at 2024-03-21 10:42:56

How can I know the following dig e-hftrade +trace has issue ?
Which variable is in problem , Please advise
DUncan

; <<>> DiG 9.3.2 <<>> e-hftrae.com +trace
;; global options: printcmd
.                  280100      IN      NS      i.root-servers.net.
.                  280100      IN      NS      j.root-servers.net.
.                  280100      IN      NS      k.root-servers.net.
.                  280100      IN      NS      l.root-servers.net.
.                  280100      IN      NS      m.root-servers.net.
.                  280100      IN      NS      a.root-servers.net.
.                  280100      IN      NS      b.root-servers.net.
.                  280100      IN      NS      c.root-servers.net.
.                  280100      IN      NS      d.root-servers.net.
.                  280100      IN      NS      e.root-servers.net.
.                  280100      IN      NS      f.root-servers.net.
.                  280100      IN      NS      g.root-servers.net.
.                  280100      IN      NS      h.root-servers.net.
;; Received 512 bytes from 218.102.52.81#53(218.102.52.81) in 21 ms

com.                  172800      IN      NS      k.gtld-servers.net.
com.                  172800      IN      NS      b.gtld-servers.net.
com.                  172800      IN      NS      g.gtld-servers.net.
com.                  172800      IN      NS      j.gtld-servers.net.
com.                  172800      IN      NS      f.gtld-servers.net.
com.                  172800      IN      NS      a.gtld-servers.net.
com.                  172800      IN      NS      l.gtld-servers.net.
com.                  172800      IN      NS      e.gtld-servers.net.
com.                  172800      IN      NS      c.gtld-servers.net.
com.                  172800      IN      NS      d.gtld-servers.net.
com.                  172800      IN      NS      i.gtld-servers.net.
com.                  172800      IN      NS      m.gtld-servers.net.
com.                  172800      IN      NS      h.gtld-servers.net.
;; Received 502 bytes from 192.36.148.17#53(i.root-servers.net) in 24 ms

com.                  900      IN      SOA      a.gtld-servers.net. nstld.verisign-grs.com. 1363887681 1800 900 604800 86400
;; Received 106 bytes from 192.52.178.30#53(k.gtld-servers.net) in 340 ms

Assisted Solution

Expert: _jesper_ replied at 2024-03-21 10:35:14

167 points EXCELLENT

It could be. I'm getting the correct info from the registrar. And, when I then follow it up with a query to your name servers, I also get consistent and correct information.

If you do a "dig e-hftrade.com +trace" and you see your registrars DNS servers instead of yours, contact your registrar. If not, someone somewhere has cached the old information.

Author: duncanb7 replied at 2024-03-21 10:32:45

Dear _jesper_,

since it test it at US side, so the DNS is okay
So the DNS propagation delay is too long to HOng Kong

Author: duncanb7 replied at 2024-03-21 10:31:33

But the e-hftrade.com sometimes, go to park1.hosting24.com
sometimes ns2.e-hftrade.com

You know what I mean unstable to mywebsite

Author: duncanb7 replied at 2024-03-21 10:30:22

Any expert at Hongkong or Asia, to try dig e-hftrade.com and show its report to us ?

Expert: _jesper_ replied at 2024-03-21 10:29:08

I am testing directly against the registered name servers (ns1 and ns2.e-hftrade.com).

Author: duncanb7 replied at 2024-03-21 10:26:26

I am at Hongkong, so the result is not stable at all

I already did ipconfig/flushdns at my home PC window

Duncan

Author: duncanb7 replied at 2024-03-21 10:25:34

You see no problem becoz your testing pt is not at Hongkong
You might read my site information at US

Accepted Solution

Expert: _jesper_ replied at 2024-03-21 10:10:37

167 points EXCELLENT

Unless the registrar is having problems, I disagree.

A dig +trace as well as a whois show that ns1 and ns2.e-hftrade.com are registered and authoritative. Both name servers respond appropriately and consistently.

Assisted Solution

Expert: Pyromanci replied at 2024-03-21 09:51:39

166 points EXCELLENT

Your sections are wrong. Should not have been in PHP, Apache, Linux, instead should have been DNS

This is actually a question you need to direct at your host. Based of those authority records they hard to domain parked some place for a bit.

e-hftrade.com. 38435 IN NS park1.hosting24.com.e-hftrade.com. 38435 IN NS park2.hosting24.com.

1:2:

Select All Code

For me now I'm getting stable results:

 dig e-hftrade.com; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.1 <<>> e-hftrade.com;; global options:  printcmd;; Got answer:;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 65370;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0;; QUESTION SECTION:;e-hftrade.com.                 IN      A;; ANSWER SECTION:e-hftrade.com.          13564   IN      A       212.1.213.78;; AUTHORITY SECTION:e-hftrade.com.          85564   IN      NS      ns2.e-hftrade.com.e-hftrade.com.          85564   IN      NS      ns1.e-hftrade.com.;; Query time: 3 msec;; SERVER: 127.0.0.1#53(127.0.0.1);; WHEN: Thu Mar 21 13:00:19 2013;; MSG SIZE  rcvd: 83

1:2:3:4:5:6:7:8:9:10:11:12:13:14:15:16:17:18:19:20:21:22:

Select All Code

Also if you just set up this account or purchased the domain that can also explain this.

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