func CalcTag(flags uint16, algorithm uint8, publickey string) uint16 { key := new(dns.DNSKEY) key.Hdr.Name = "." key.Hdr.Rrtype = dns.TypeDNSKEY key.Hdr.Class = dns.ClassINET key.Hdr.Ttl = 3600 key.Flags = flags key.Protocol = 3 key.Algorithm = algorithm key.PublicKey = publickey return key.KeyTag() }