Doge Lumens uses the superior attributes of the Stellar network, smart and easy-to-use, powered by the doge community and backed by the Stellar blockchain.
You can buy on all the Stellar DEX such as: Lobstr, Stellar Term, StellarPort, etc. Open a trust line using the Issuer Address with your Stellar wallet:
You just need to have a Stellar (XLM) public address to receive Doge Lumens. Please don't use Coinbase or Binance addresses. Currently those exchanges don't accept DXLM. You can create a new wallet easily at Lobstr/StellarTerm or other websites.