diff --git a/client/src/__locales/en.json b/client/src/__locales/en.json
index 42a19b6e686..73f5db5b6f8 100644
--- a/client/src/__locales/en.json
+++ b/client/src/__locales/en.json
@@ -456,7 +456,7 @@
     "disable_ipv6": "Disable IPv6",
     "disable_ipv6_desc": "If this feature is enabled, all DNS queries for IPv6 addresses (type AAAA) will be dropped.",
     "fastest_addr": "Fastest IP address",
-    "fastest_addr_desc": "Query all DNS servers and return the fastest IP address among all responses",
+    "fastest_addr_desc": "Query all DNS servers and return the fastest IP address among all responses. This will slow down the DNS queries as we have to wait for responses from all DNS servers, but improve the overall connectivity.",
     "autofix_warning_text": "If you click \"Fix\", AdGuard Home will configure your system to use AdGuard Home DNS server.",
     "autofix_warning_list": "It will perform these tasks: <0>Deactivate system DNSStubListener</0> <0>Set DNS server address to 127.0.0.1</0> <0>Replace symbolic link target of /etc/resolv.conf with /run/systemd/resolve/resolv.conf</0> <0>Stop DNSStubListener (reload systemd-resolved service)</0>",
     "autofix_warning_result": "As a result all DNS requests from your system will be processed by AdGuard Home by default.",
@@ -490,4 +490,4 @@
     "list_updated_plural": "{{count}} lists updated",
     "dnssec_enable": "Enable DNSSEC",
     "dnssec_enable_desc": "Set DNSSEC flag in the outcoming DNS queries and check the result (DNSSEC-enabled resolver is required)"
-}
\ No newline at end of file
+}
diff --git a/client/src/components/Filters/Form.js b/client/src/components/Filters/Form.js
index 467dd0cb4b4..7fc1f0a6c8e 100644
--- a/client/src/components/Filters/Form.js
+++ b/client/src/components/Filters/Form.js
@@ -19,18 +19,18 @@ const Form = (props) => {
     return (
         <form onSubmit={handleSubmit}>
             <div className="modal-body">
-                <div className="form__group">
-                    <Field
-                        id="name"
-                        name="name"
-                        type="text"
-                        component={renderInputField}
-                        className="form-control"
-                        placeholder={t('enter_name_hint')}
-                        validate={[required]}
-                        normalizeOnBlur={(data) => data.trim()}
-                    />
-                </div>
+            <div className="form__group">
+                <Field
+                    id="name"
+                    name="name"
+                    type="text"
+                    component={renderInputField}
+                    className="form-control"
+                    placeholder={t('enter_name_hint')}
+                    validate={[required]}
+                    normalizeOnBlur={(data) => data.trim()}
+                />
+            </div>
                 <div className="form__group">
                     <Field
                         id="url"
diff --git a/client/src/components/Settings/Dns/Upstream/Form.js b/client/src/components/Settings/Dns/Upstream/Form.js
index c83722f394f..572784174ad 100644
--- a/client/src/components/Settings/Dns/Upstream/Form.js
+++ b/client/src/components/Settings/Dns/Upstream/Form.js
@@ -5,11 +5,13 @@ import { Field, reduxForm, formValueSelector } from 'redux-form';
 import { Trans, withTranslation } from 'react-i18next';
 import flow from 'lodash/flow';
 import classnames from 'classnames';
+import { nanoid } from 'nanoid';
 
 import Examples from './Examples';
-import { renderSelectField } from '../../../../helpers/form';
+import { renderRadioField } from '../../../../helpers/form';
+import { DNS_REQUEST_OPTIONS } from '../../../../helpers/constants';
 
-const getInputFields = (parallel_requests_selected, fastest_addr_selected) => [{
+const getInputFields = () => [{
     // eslint-disable-next-line react/display-name
     getTitle: () => <label className="form__label" htmlFor="upstream_dns">
         <Trans>upstream_dns</Trans>
@@ -21,20 +23,20 @@ const getInputFields = (parallel_requests_selected, fastest_addr_selected) => [{
     placeholder: 'upstream_dns',
 },
 {
-    name: 'parallel_requests',
-    placeholder: 'parallel_requests',
-    component: renderSelectField,
-    type: 'checkbox',
+    name: 'dnsRequestOption',
+    type: 'radio',
+    value: DNS_REQUEST_OPTIONS.PARALLEL_REQUESTS,
+    component: renderRadioField,
     subtitle: 'upstream_parallel',
-    disabled: fastest_addr_selected,
+    placeholder: 'parallel_requests',
 },
 {
-    name: 'fastest_addr',
-    placeholder: 'fastest_addr',
-    component: renderSelectField,
-    type: 'checkbox',
+    name: 'dnsRequestOption',
+    type: 'radio',
+    value: DNS_REQUEST_OPTIONS.FASTEST_ADDR,
+    component: renderRadioField,
     subtitle: 'fastest_addr_desc',
-    disabled: parallel_requests_selected,
+    placeholder: 'fastest_addr',
 }];
 
 let Form = (props) => {
@@ -46,8 +48,6 @@ let Form = (props) => {
         invalid,
         processingSetConfig,
         processingTestUpstream,
-        fastest_addr,
-        parallel_requests,
         upstream_dns,
         bootstrap_dns,
     } = props;
@@ -57,78 +57,77 @@ let Form = (props) => {
         'btn btn-primary btn-standard mr-2 btn-loading': processingTestUpstream,
     });
 
-    const INPUT_FIELDS = getInputFields(parallel_requests, fastest_addr);
+    const INPUT_FIELDS = getInputFields();
 
-    return (
-        <form onSubmit={handleSubmit}>
-            <div className="row">
-                {INPUT_FIELDS.map(({
-                    name, component, type, className, placeholder, getTitle, subtitle, disabled,
-                }) => <div className="col-12 mb-4" key={name}>
-                    {typeof getTitle === 'function' && getTitle()}
-                    <Field
-                        id={name}
-                        name={name}
-                        component={component}
-                        type={type}
-                        className={className}
-                        placeholder={t(placeholder)}
-                        subtitle={t(subtitle)}
-                        disabled={processingSetConfig || processingTestUpstream || disabled}
-                    />
-                </div>)}
-                <div className="col-12">
-                    <Examples />
-                    <hr />
-                </div>
-                <div className="col-12 mb-4">
-                    <label
-                        className="form__label form__label--with-desc"
-                        htmlFor="bootstrap_dns"
-                    >
-                        <Trans>bootstrap_dns</Trans>
-                    </label>
-                    <div className="form__desc form__desc--top">
-                        <Trans>bootstrap_dns_desc</Trans>
-                    </div>
-                    <Field
-                        id="bootstrap_dns"
-                        name="bootstrap_dns"
-                        component="textarea"
-                        type="text"
-                        className="form-control form-control--textarea form-control--textarea-small font-monospace"
-                        placeholder={t('bootstrap_dns')}
-                        disabled={processingSetConfig}
-                    />
-                </div>
+    return <form onSubmit={handleSubmit}>
+        <div className="row">
+            {INPUT_FIELDS.map(({
+                name, component, type, className, placeholder, getTitle, subtitle, disabled, value,
+            }) => <div className="col-12 mb-4" key={nanoid()}>
+                {typeof getTitle === 'function' && getTitle()}
+                <Field
+                    id={name}
+                    value={value}
+                    name={name}
+                    component={component}
+                    type={type}
+                    className={className}
+                    placeholder={t(placeholder)}
+                    subtitle={t(subtitle)}
+                    disabled={processingSetConfig || processingTestUpstream || disabled}
+                />
+            </div>)}
+            <div className="col-12">
+                <Examples />
+                <hr />
             </div>
-            <div className="card-actions">
-                <div className="btn-list">
-                    <button
-                        type="button"
-                        className={testButtonClass}
-                        onClick={() => testUpstream({
-                            upstream_dns,
-                            bootstrap_dns,
-                        })
-                        }
-                        disabled={!upstream_dns || processingTestUpstream}
-                    >
-                        <Trans>test_upstream_btn</Trans>
-                    </button>
-                    <button
-                        type="submit"
-                        className="btn btn-success btn-standard"
-                        disabled={
-                            submitting || invalid || processingSetConfig || processingTestUpstream
-                        }
-                    >
-                        <Trans>apply_btn</Trans>
-                    </button>
+            <div className="col-12 mb-4">
+                <label
+                    className="form__label form__label--with-desc"
+                    htmlFor="bootstrap_dns"
+                >
+                    <Trans>bootstrap_dns</Trans>
+                </label>
+                <div className="form__desc form__desc--top">
+                    <Trans>bootstrap_dns_desc</Trans>
                 </div>
+                <Field
+                    id="bootstrap_dns"
+                    name="bootstrap_dns"
+                    component="textarea"
+                    type="text"
+                    className="form-control form-control--textarea form-control--textarea-small font-monospace"
+                    placeholder={t('bootstrap_dns')}
+                    disabled={processingSetConfig}
+                />
+            </div>
+        </div>
+        <div className="card-actions">
+            <div className="btn-list">
+                <button
+                    type="button"
+                    className={testButtonClass}
+                    onClick={() => testUpstream({
+                        upstream_dns,
+                        bootstrap_dns,
+                    })
+                    }
+                    disabled={!upstream_dns || processingTestUpstream}
+                >
+                    <Trans>test_upstream_btn</Trans>
+                </button>
+                <button
+                    type="submit"
+                    className="btn btn-success btn-standard"
+                    disabled={
+                        submitting || invalid || processingSetConfig || processingTestUpstream
+                    }
+                >
+                    <Trans>apply_btn</Trans>
+                </button>
             </div>
-        </form>
-    );
+        </div>
+    </form>;
 };
 
 Form.propTypes = {
@@ -139,8 +138,6 @@ Form.propTypes = {
     initialValues: PropTypes.object,
     upstream_dns: PropTypes.string,
     bootstrap_dns: PropTypes.string,
-    fastest_addr: PropTypes.bool,
-    parallel_requests: PropTypes.bool,
     processingTestUpstream: PropTypes.bool,
     processingSetConfig: PropTypes.bool,
     t: PropTypes.func,
@@ -151,14 +148,10 @@ const selector = formValueSelector('upstreamForm');
 Form = connect((state) => {
     const upstream_dns = selector(state, 'upstream_dns');
     const bootstrap_dns = selector(state, 'bootstrap_dns');
-    const fastest_addr = selector(state, 'fastest_addr');
-    const parallel_requests = selector(state, 'parallel_requests');
 
     return {
         upstream_dns,
         bootstrap_dns,
-        fastest_addr,
-        parallel_requests,
     };
 })(Form);
 
diff --git a/client/src/components/Settings/Dns/Upstream/index.js b/client/src/components/Settings/Dns/Upstream/index.js
index aaeff317086..4a849d49de9 100644
--- a/client/src/components/Settings/Dns/Upstream/index.js
+++ b/client/src/components/Settings/Dns/Upstream/index.js
@@ -1,13 +1,27 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 import { withTranslation } from 'react-i18next';
+import cn from 'classnames';
 
 import Form from './Form';
 import Card from '../../../ui/Card';
+import { DNS_REQUEST_OPTIONS } from '../../../../helpers/constants';
+
 
 class Upstream extends Component {
-    handleSubmit = (values) => {
-        this.props.setDnsConfig(values);
+    handleSubmit = ({ bootstrap_dns, upstream_dns, dnsRequestOption }) => {
+        const disabledOption = dnsRequestOption === DNS_REQUEST_OPTIONS.PARALLEL_REQUESTS
+            ? DNS_REQUEST_OPTIONS.FASTEST_ADDR
+            : DNS_REQUEST_OPTIONS.PARALLEL_REQUESTS;
+
+        const formattedValues = {
+            bootstrap_dns,
+            upstream_dns,
+            [dnsRequestOption]: true,
+            [disabledOption]: false,
+        };
+
+        this.props.setDnsConfig(formattedValues);
     };
 
     handleTest = (values) => {
@@ -27,6 +41,11 @@ class Upstream extends Component {
             },
         } = this.props;
 
+        const dnsRequestOption = cn({
+            parallel_requests,
+            fastest_addr,
+        });
+
         return (
             <Card
                 title={t('upstream_dns')}
@@ -39,8 +58,7 @@ class Upstream extends Component {
                             initialValues={{
                                 upstream_dns,
                                 bootstrap_dns,
-                                fastest_addr,
-                                parallel_requests,
+                                dnsRequestOption,
                             }}
                             testUpstream={this.handleTest}
                             onSubmit={this.handleSubmit}
diff --git a/client/src/helpers/constants.js b/client/src/helpers/constants.js
index d0e933df376..3f21c8375a9 100644
--- a/client/src/helpers/constants.js
+++ b/client/src/helpers/constants.js
@@ -374,3 +374,8 @@ export const ACTION = {
     block: 'block',
     unblock: 'unblock',
 };
+
+export const DNS_REQUEST_OPTIONS = {
+    PARALLEL_REQUESTS: 'parallel_requests',
+    FASTEST_ADDR: 'fastest_addr',
+};
diff --git a/client/src/helpers/form.js b/client/src/helpers/form.js
index 0bead6ebb7d..d312df398a2 100644
--- a/client/src/helpers/form.js
+++ b/client/src/helpers/form.js
@@ -119,11 +119,19 @@ renderGroupField.propTypes = {
 };
 
 export const renderRadioField = ({
-    input, placeholder, disabled, meta: { touched, error },
+    input,
+    placeholder,
+    subtitle,
+    disabled,
+    meta: { touched, error },
 }) => <Fragment>
-    <label className="custom-control custom-radio custom-control-inline">
+    <label className="custom-control custom-radio">
         <input {...input} type="radio" className="custom-control-input" disabled={disabled} />
         <span className="custom-control-label">{placeholder}</span>
+        {subtitle && <span
+            className="checkbox__label-subtitle"
+            dangerouslySetInnerHTML={{ __html: subtitle }}
+        />}
     </label>
     {!disabled
     && touched
@@ -133,6 +141,7 @@ export const renderRadioField = ({
 renderRadioField.propTypes = {
     input: PropTypes.object.isRequired,
     placeholder: PropTypes.string,
+    subtitle: PropTypes.string,
     disabled: PropTypes.bool,
     meta: PropTypes.shape({
         touched: PropTypes.bool,
@@ -155,12 +164,10 @@ export const renderSelectField = ({
         <span className="checkbox__label">
                     <span className="checkbox__label-text checkbox__label-text--long">
                         <span className="checkbox__label-title">{placeholder}</span>
-                        {subtitle && (
-                            <span
-                                className="checkbox__label-subtitle"
-                                dangerouslySetInnerHTML={{ __html: subtitle }}
-                            />
-                        )}
+                        {subtitle && <span
+                            className="checkbox__label-subtitle"
+                            dangerouslySetInnerHTML={{ __html: subtitle }}
+                        />}
                     </span>
                 </span>
     </label>