/* 3.3.4. MD RDATA format (Obsolete) +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ / MADNAME / / / +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ where: MADNAME A which specifies a host which has a mail agent for the domain which should be able to deliver mail for the domain. MD records cause additional section processing which looks up an A type record corresponding to MADNAME. MD is obsolete. See the definition of MX and [RFC-974] for details of the new scheme. The recommended policy for dealing with MD RRs found in a master file is to reject them, or to convert them to MX RRs with a preference of 0. * */ using MailSharp.DNS.Records; namespace MailSharp.DNS.Records; public record RecordMD(RecordReader rr) : DnsRecord(rr) { public string MADName = rr.ReadDomainName(); public override string ToString() => MADName; }