Verify sdnog.sd domain with google Postmaster Tools

We have noticed some participants subscribe to sdnog mailing list using gmail accounts. and they do not receive some of the list's email and some being forwarded to the Junk folder. this because the DKIM and DMARC fail with domain gmail.com

so there are many steps need to be fixed , one of them verifying the sdnog.sd domain with google Postmaster Tools, and here we will see how could be done. You need to generate a DNS validation key TXT resource record from google Postmaster Tools
using a gmail account. login and the enter domain name you want to verify

then copy the TXT record and add this to your DNS zone file , and then click on verify. it will take few minutes and the domain will be verified.