Problems with 1and1.com giving 404 or 403 errors

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3 comments

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    rotblitz

    Hard to find a reason, because I cannot reproduce this.  These 403 and 404 errors are HTTP errors, not DNS errors.  When it comes to these HTTP errors, DNS is already over and gone.  Therefore it is likely that your problems are not DNS related.

    Does OpenDNS return the same IP address and other information for 1and1.com and www.1and1.com as your other DNS service?

    OpenDNS:  nslookup 1and1.com. 208.67.220.220
                          nslookup www.1and1.com. 208.67.220.220

    Your DNS:  nslookup 1and1.com. <YourDNSresolver>
                         nslookup www.1and1.com. <YourDNSresolver>

    What OpenDNS location are you using?
    nslookup -type=txt which.opendns.com. 208.67.220.220

    What is your geographical location?

    The problem is that www.1and1.com are using the Akamai CDN service, and they may route you to a suboptimal location.

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    kbacon

    When I perform nslookup in the terminal on my mac I get the following:

    Server: 4.2.2.1
    Address: 4.2.2.1#53

    Non-authoritative answer:
    Name: 1and1.com
    Address: 74.208.4.12

    I also ran OpenDNSDiagnostic.app and got the following results:

    http://opendnsupdate.appspot.com/d/14745004

    When I attempt to load which.opendns.com I get:

    "Safari can't find server"

    But I am using the standard OpenDNS server addresses: 208.67.222.222 and 208.67.220.220

    I am located in Tucker, GA 30084

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  • Avatar
    rotblitz

    "When I perform nslookup in the terminal on my mac I get the following:"

    The result for 1and1.com against Level-3 was less interesting.  The www.1and1.com is hosted via CDN.  I didn't ask to publish your results.  I expected that you compare them yourself.

    "I also ran OpenDNSDiagnostic.app and got the following results:"

    These results are visible only to you and OpenDNS staff, not to me...  :(

    ""Safari can't find server""

    Safari has nothing to do with this.  All to be done in a terminal window.  The domain which.opendns.com is not thought to be visited with a browser.

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