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Thread: I'm Confused

  1. #1
    Join Date
    Jul 2001
    Posts
    892

    I'm Confused

    I was just sshed into my server and was doing some random tasks.

    I got bored and decided to tracerout my own domain. After that I did a traceroute on another domain on my server. I was expecting them to be the same but they weren't.

    1 ge0-2.jrcy01.nj1.choopa.net (216.32.208.1) 0.578 ms 0.568 ms 0.513 ms
    2 209.67.5.157 (209.67.5.157) 0.559 ms 0.516 ms 0.550 ms
    3 dcr03-g14-0.jrcy01.exodus.net (216.32.223.41) 0.331 ms 0.371 ms 0.330 ms
    4 bbr02-g3-0.jrcy01.exodus.net (216.32.223.82) 0.347 ms 0.317 ms 0.273 ms
    5 bbr01-p6-0.whkn01.exodus.net (216.32.132.14) 0.948 ms 0.963 ms 0.840 ms
    6 bbr02-g5-0.whkn01.exodus.net (216.35.65.84) 1.068 ms 0.928 ms 1.035 ms
    7 bbr01-p1-0.stng02.exodus.net (216.32.132.193) 7.534 ms 7.565 ms 7.424 ms
    8 bbr02-g5-0.stng02.exodus.net (216.109.66.146) 7.347 ms 7.532 ms 7.375 ms
    9 bbr01-p0-0.sntc05.exodus.net (216.32.132.18) 83.225 ms 82.985 ms 83.058 ms
    10 bbr02-g2-1.sntc05.exodus.net (64.56.192.178) 83.137 ms 83.127 ms 83.242 ms
    11 bbr01-p7-0.sntc03.exodus.net (206.79.9.181) 83.265 ms 83.309 ms 83.417 ms
    12 ibr02-p3-0.paix01.exodus.net (209.185.9.242) 84.303 ms 84.211 ms 84.226 ms
    13 ge-0-3-0--3.pr1.SanFrancisco1.CA.us.netrail.net (205.215.1.45) 84.812 ms 84.131 ms 84.136 ms
    14 GigE2-1.tr1.SanFrancisco1.CA.us.netrail.net (205.215.12.1) 84.703 ms 84.512 ms 84.438 ms
    15 p13-0.core02.sfo01.atlas.cogentco.com (66.28.28.57) 84.458 ms 84.135 ms 84.327 ms
    16 p14-0.core02.dfw01.atlas.cogentco.com (66.28.4.133) 94.791 ms 94.810 ms 94.957 ms
    17 p15-0.core01.dfw01.atlas.cogentco.com (66.28.4.25) 95.059 ms 95.429 ms 94.773 ms
    18 p13-0.core01.iah01.atlas.cogentco.com (66.28.4.98) 95.327 ms 94.923 ms 94.824 ms
    19 g8.ba21.b000605-0.iah01.atlas.cogentco.com (66.28.66.238) 95.316 ms 95.190 ms 95.383 ms
    20 Everyones-Internet.demarc.cogentco.com (66.28.28.210) 95.678 ms 95.777 ms 95.683 ms
    21 tayhou-223-34.ev1.net (207.218.223.34) 92.310 ms 92.047 ms 92.299 ms
    22 wf4.dnsvr.com (216.40.201.216) 95.997 ms 99.578 ms 94.112 ms
    1 ge0-2.jrcy01.nj1.choopa.net (216.32.208.1) 0.542 ms 0.441 ms 0.407 ms
    2 ge0-49.nyc01.choopa.net (207.99.97.34) 0.937 ms 0.745 ms 0.490 ms
    3 vlan22.msfc1.nyc.nac.net (209.123.92.41) 0.783 ms 0.652 ms 0.897 ms
    4 fe4-1-0.per1.lga3.us.mfnx.net (216.200.254.26) 0.881 ms 1.162 ms 1.651 ms
    5 so-3-0-1.cr1.lga3.us.mfnx.net (208.185.0.181) 1.734 ms 1.183 ms 1.034 ms
    6 so-5-2-0.cr1.lga1.us.mfnx.net (64.125.30.17) 0.979 ms 1.277 ms 1.282 ms
    7 pos0-0.er1a.lga1.us.mfnx.net (216.200.127.190) 0.926 ms 0.623 ms 0.704 ms
    8 208.184.36.230.dti.net (208.184.36.230) 1.369 ms 1.742 ms 1.657 ms
    9 nyc-gw2.dti.net (206.252.135.5) 3.670 ms 1.689 ms 1.695 ms
    10 209736133.client.dti.net (209.73.61.33) 5.228 ms 4.540 ms 4.250 ms
    11 wf.dnsvr.com (209.81.71.83) 5.191 ms 8.062 ms 7.552 ms
    I then tried a traceroute to a third domain on my server, and there was only one hop

    Is there some sort of simple explanation for this?

  2. #2
    Well, actually there is nothing wrong with this. This is multi-homed network at work.

    For a web host with multiple uplink network provider, the best path is being used each time. Probably that is why you got different paths each time.
    http://www.batchimage.com - Offering Batch Image Processing and TIFF/PDF Software Solutions

  3. #3
    Join Date
    Dec 2000
    Location
    Leesburg, VA
    Posts
    3,205
    Your domains are in two different places wf4.dnsvr.com is located on a server at rackshack, in the Dallas Fort Worth area:

    17 p15-0.core01.dfw01.atlas.cogentco.com (66.28.4.25) 95.059 ms 95.429 ms 94.773 ms
    18 p13-0.core01.iah01.atlas.cogentco.com (66.28.4.98) 95.327 ms 94.923 ms 94.824 ms
    19 g8.ba21.b000605-0.iah01.atlas.cogentco.com (66.28.66.238) 95.316 ms 95.190 ms 95.383 ms
    20 Everyones-Internet.demarc.cogentco.com (66.28.28.210) 95.678 ms 95.777 ms 95.683 ms
    21 tayhou-223-34.ev1.net (207.218.223.34) 92.310 ms 92.047 ms 92.299 ms
    22 wf4.dnsvr.com (216.40.201.216) 95.997 ms 99.578 ms 94.112 ms
    Notice the DFW, that's the airport code for Dallas, and Everyone's Internet is the company that owns Rackshack.

    The second server, wf.dnsvr.com, is with LogicWorks [nee Digital Telemedia] in New York:

    9 nyc-gw2.dti.net (206.252.135.5) 3.670 ms 1.689 ms 1.695 ms
    10 209736133.client.dti.net (209.73.61.33) 5.228 ms 4.540 ms 4.250 ms
    11 wf.dnsvr.com (209.81.71.83) 5.191 ms 8.062 ms 7.552 ms
    NYC is the airport code for New York, and dti.net is Digital Telemedia (now owned by LogicWorks.

    So, the reason your traceroutes look so different is that your servers are in different places.

  4. #4
    Join Date
    Jul 2001
    Posts
    892
    I don't understand when you say my domains are in two different places

  5. #5
    Join Date
    Dec 2000
    Location
    Leesburg, VA
    Posts
    3,205
    Originally posted by WoodShedd
    I don't understand when you say my domains are in two different places
    wf4.dnsvr.com, IP Address 216.40.201.216, is bound to a Rackshack server in Texas.

    wf.dnsvr.com, IP Address 209.81.71.83, is bound to a LogicWorks server in New York.

  6. #6
    Join Date
    Jul 2001
    Posts
    892
    I can see that, but the fact that they are in different places is what I don't understand. The sites for each domain are located on my own server which is not at rackshack. Maybe I'm missing something

  7. #7
    Join Date
    Dec 2000
    Location
    Leesburg, VA
    Posts
    3,205
    If your domain is: dnsvr.com, then no they are not. You have hosts on servers all over the place:

    Code:
    [[email protected] allan]$ dig @A.DNSVR.COM DNSVR.COM axfr
    
    ; <<>> DiG 9.1.3 <<>> @A.DNSVR.COM DNSVR.COM axfr
    ;; global options:  printcmd
    dnsvr.com.              7200    IN      SOA     a.dnsvr.com. dnsadmin.dnsvr.com.
     970135522 14400 7200 864000 7200
    dnsvr.com.              7200    IN      NS      a.dnsvr.com.
    dnsvr.com.              7200    IN      NS      b.dnsvr.com.
    dnsvr.com.              7200    IN      NS      c.dnsvr.com.
    dnsvr.com.              7200    IN      NS      d.dnsvr.com.
    dnsvr.com.              7200    IN      A       0.0.0.0
    dnsvr.com.              7200    IN      MX      0 mail.dnsvr.com.
    dnsvr.com.              7200    IN      MX      0 mail2.zoneedit.com.
    mail2.dnsvr.com.        7200    IN      A       216.40.250.39
    verisign.dnsvr.com.     7200    IN      A       64.21.143.28
    a.dnsvr.com.            7200    IN      A       207.41.71.163
    br.dnsvr.com.           7200    IN      A       64.21.143.23
    reverse.dnsvr.com.      7200    IN      NS      a.dnsvr.com.
    reverse.dnsvr.com.      7200    IN      NS      b.dnsvr.com.
    209.81.71.55.dnsvr.com. 7200    IN      PTR     test.dnsvr.com.
    wp.dnsvr.com.           7200    IN      A       209.21.105.250
    b.dnsvr.com.            7200    IN      A       207.228.252.91
    wf.dnsvr.com.           7200    IN      A       209.81.71.83
    wf.dnsvr.com.           7200    IN      A       216.40.201.216
    api.dnsvr.com.          7200    IN      A       64.21.143.23
    c.dnsvr.com.            7200    IN      A       209.61.140.2
    edit.dnsvr.com.         7200    IN      A       64.21.143.22
    d.dnsvr.com.            7200    IN      A       216.98.150.24
    ssl.dnsvr.com.          7200    IN      A       64.21.143.23
    brdev.dnsvr.com.        7200    IN      A       64.21.143.23
    209.81.71.61.dnsvr.com. 7200    IN      PTR     mail.dnsvr.com.
    mail.dnsvr.com.         7200    IN      A       64.21.143.26
    wf1.dnsvr.com.          7200    IN      A       216.40.201.216
    mx2.dnsvr.com.          7200    IN      A       207.228.253.52
    clickpatrol.dnsvr.com.  7200    IN      CNAME   edit.dnsvr.com.
    wf2.dnsvr.com.          7200    IN      A       209.81.71.82
    dnsvr.com.              7200    IN      SOA     a.dnsvr.com. dnsadmin.dnsvr.com.
     970135522 14400 7200 864000 7200
    ;; Query time: 784 msec
    ;; SERVER: 207.41.71.163#53(A.DNSVR.COM)
    ;; WHEN: Sun Jun 23 16:25:45 2002
    ;; *** size: 33 records

    If your domain is something else, then tell us to which domains you are trying to trace.

  8. #8
    Join Date
    Dec 2000
    Location
    Leesburg, VA
    Posts
    3,205
    By the way...those PTR records make no sense in this zone file, get rid of them (although I could be wrong about that...hopefully Tim or David will come along and correct me ).

  9. #9
    Join Date
    Jul 2001
    Posts
    892
    dnsvr.com is not my domain, though, for some reason, traceroute seems to default to it on all but one of the domains on my server

  10. #10
    Join Date
    Sep 2001
    Location
    Vienna, Austria
    Posts
    1,074
    post your domains or maybe PM it to someone asking. they're trying to help, but, your answers are a tad vague.

  11. #11
    Join Date
    Jul 2001
    Posts
    892
    Sorry about the vague answers, and I thank all of you for your help

    I dont think the domains on my server would be appropriate to post here w/o the permission of a mod. (adult content)

  12. #12
    Join Date
    Sep 2001
    Location
    Vienna, Austria
    Posts
    1,074
    ahhh. hmm. well, feel free to PM them to someone who has offered to trace or PM me, i can provide a few traces from europe.

    or give a try to www.traceroute.org to trace from multiple places.

  13. #13
    Join Date
    Jul 2001
    Posts
    892
    Thanks, skylab.

    I figured it out. All the domains that tracerout to dnsvr are using zoneedit domain servers.

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