CNAME SETTING not working

those setting not working, anyone know why ?

need those setting for listrak.

“Not working” in what way? They look valid. Without knowing the domain name, we can’t test them.

HI sdayman,

when I use the following website to search CNAME IN, which unable to see it, it’s normal or something wrong?

You need to look up the hostname itself, email.EXAMPLE.COM

And they all resolve for me. So, yes, they’re working.

hi sdayman,

Thank you for checking.
which tool/website could let me see the information like your screenshot.


As far as I know every *nix like system has something command called host. It is a DNS lookup utility. This tool is handy to know that the dns setting for that domain is correct.
For example currently I am using macOS
you can simply write host domain and it will give you the current resolve of that domain.
For example if I wrote host it will give me result

[[email protected]]: ~ $ host has address has address has address has IPv6 address 2606:4700:20::681a:bf5 has IPv6 address 2606:4700:20::ac43:4451 has IPv6 address 2606:4700:20::681a:af5 mail is handled by 10 mail is handled by 5 mail is handled by 5 mail is handled by 1 mail is handled by 10

If you like to see the manual of that command, you can look at this link.

Since you can specify with other option or even you can using different dns server, than you set up as your default dns server on your computer.

For me for simple look up host domain for more detail info host -v domain, which almost the same if you’re using dig and if I want to check up to other dns server like google dns server host domain since I set up cloud flare as my default dns server.

Even though it is little of out of topic but I hope it helps and answer your question.

thx a lot

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