TP-Link CR1200

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    christiaan

    And by "CR1200" I mean AC1200. My apologies!!

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    rotblitz

    It looks like you configured the OpenDNS resolver addresses at the wrong place.  Where did you configure them?  Can you post one or more screen shots here?

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    christiaan

    Here are a few screen shots. I hope they are what you need.

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    christiaan

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    christiaan

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    rotblitz

    Yes, these screen shots are useful to a certain extent.  In case you only have IPv4 connectivity (and not IPv6 connectivity), I would expect that OpenDNS should be working for you.  But I need to see more information.

    Copy & paste the complete plain text output of the following diagnostic commands to here, from a computer connected to the TP-Link router:

    nslookup -type=txt debug.opendns.com. 208.67.220.220
    nslookup -type=txt which.opendns.com.
    nslookup whoami.akamai.net.
    netsh interface ipv4 show config

    Ideally the xfinity device should be in bridged mode, but from your screen shots it is in NAT mode.  Can you change this?  If not, can you configure DNS servers on the xfinity device too?

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    christiaan

    I'll run this script in a minute.

    My question is: why does it matter how my router gets it's packets (through an xfinity modem in bridge mode or NAT mode?) I don't know enough about how this works, so I'd love to learn.

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    christiaan

    Ok, Rotblitz, this is what I get back:

     

    nslookup -type=txt debug.opendns.com. 208.67.220.220

    Server:208.67.220.220

    Address:208.67.220.220#53

     

    ** server can't find debug.opendns.com: NXDOMAIN

     

    Kristinas-MacBook-Pro:~ kvheuvel$ nslookup -type=txt which.opendns.com.

    Server:208.67.220.220

    Address:208.67.220.220#53

     

    Non-authoritative answer:

    which.opendns.comtext = "I am not an OpenDNS resolver."

     

    Authoritative answers can be found from:

     

    Kristinas-MacBook-Pro:~ kvheuvel$ nslookup whoami.akamai.net.

    Server:208.67.222.222

    Address:208.67.222.222#53

     

    Non-authoritative answer:

    Name:whoami.akamai.net

    Address: 76.96.15.67

     

    Kristinas-MacBook-Pro:~ kvheuvel$ netsh interface ipv4 show config

    -bash: netsh: command not found

    Kristinas-MacBook-Pro:~ kvheuvel$ nslookup -type=txt debug.opendns.com. 208.67.220.220

    Server:208.67.220.220

    Address:208.67.220.220#53

     

    ** server can't find debug.opendns.com: NXDOMAIN

     

    Kristinas-MacBook-Pro:~ kvheuvel$ nslookup -type=txt which.opendns.com.

    Server:208.67.222.222

    Address:208.67.222.222#53

     

    Non-authoritative answer:

    which.opendns.comtext = "I am not an OpenDNS resolver."

     

    Authoritative answers can be found from:

     

    Kristinas-MacBook-Pro:~ kvheuvel$ nslookup whoami.akamai.net.

    Server:208.67.222.222

    Address:208.67.222.222#53

     

    Non-authoritative answer:

    Name:whoami.akamai.net

    Address: 76.96.15.67

     

    Kristinas-MacBook-Pro:~ kvheuvel$ netsh interface ipv4 show config

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