I run mail-in-a-box, which includes a DNS server. Highly recommend! I run it on a VPS at nostr:nprofile1qqszvsw9qc8yamyzpz0akty7hpr3ges0mhmuywsp6ucnz9ypnqlszagpr9mhxue69uhhyetvv9ujumt0d4hhxarj9ecxjmnt9uq3zamnwvaz7tmwdaehgu3wd3skuep0qythwumn8ghj77rdwgh82um9dehhxarj9ehhyee0fmcfpl , paid for using lightning. I think this vaguely fits your description.