this.includeIPv6 = includeIPv6
      }

    fun post(post: Boolean) =
      apply {
        this.post = post
      }

    fun resolvePrivateAddresses(resolvePrivateAddresses: Boolean) =
      apply {
        this.resolvePrivateAddresses = resolvePrivateAddresses
      }

    fun resolvePublicAddresses(resolvePublicAddresses: Boolean) =
      apply {
        this.resolvePublicAddresses = resolvePublicAddresses

    post: Boolean = false,
  ): DnsOverHttps {
    val url = server.url("/lookup?ct")
    return DnsOverHttps
      .Builder()
      .client(bootstrapClient)
      .includeIPv6(includeIPv6)
      .resolvePrivateAddresses(true)
      .url(url)
      .post(post)
      .build()
  }

  companion object {
    private fun address(host: String) = InetAddress.getByName(host)
  }