diff --git a/esphome/components/ethernet/ethernet_component.cpp b/esphome/components/ethernet/ethernet_component.cpp
index 005712420f..8c96cca951 100644
--- a/esphome/components/ethernet/ethernet_component.cpp
+++ b/esphome/components/ethernet/ethernet_component.cpp
@@ -224,10 +224,17 @@ void EthernetComponent::dump_connect_params_() {
   ESP_LOGCONFIG(TAG, "  Subnet: %s", IPAddress(ip.netmask.addr).toString().c_str());
   ESP_LOGCONFIG(TAG, "  Gateway: %s", IPAddress(ip.gw.addr).toString().c_str());
 
-  ip_addr_t dns_ip = dns_getserver(0);
-  ESP_LOGCONFIG(TAG, "  DNS1: %s", IPAddress(dns_ip.u_addr.ip4.addr).toString().c_str());
-  dns_ip = dns_getserver(1);
-  ESP_LOGCONFIG(TAG, "  DNS2: %s", IPAddress(dns_ip.u_addr.ip4.addr).toString().c_str());
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(3, 3, 4)
+  const ip_addr_t *dns_ip1 = dns_getserver(0);
+  const ip_addr_t *dns_ip2 = dns_getserver(1);
+#else
+  ip_addr_t tmp_ip1 = dns_getserver(0);
+  const ip_addr_t *dns_ip1 = &tmp_ip1;
+  ip_addr_t tmp_ip2 = dns_getserver(1);
+  const ip_addr_t *dns_ip2 = &tmp_ip2;
+#endif
+  ESP_LOGCONFIG(TAG, "  DNS1: %s", IPAddress(dns_ip1->u_addr.ip4.addr).toString().c_str());
+  ESP_LOGCONFIG(TAG, "  DNS2: %s", IPAddress(dns_ip2->u_addr.ip4.addr).toString().c_str());
   uint8_t mac[6];
   esp_eth_get_mac(mac);
   ESP_LOGCONFIG(TAG, "  MAC Address: %02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
diff --git a/esphome/core/config.py b/esphome/core/config.py
index 1dbe2ec33a..5893f086f2 100644
--- a/esphome/core/config.py
+++ b/esphome/core/config.py
@@ -76,7 +76,7 @@ PLATFORMIO_ESP8266_LUT = {
 
 PLATFORMIO_ESP32_LUT = {
     **ARDUINO_VERSION_ESP32,
-    "RECOMMENDED": ARDUINO_VERSION_ESP32["1.0.4"],
+    "RECOMMENDED": ARDUINO_VERSION_ESP32["1.0.6"],
     "LATEST": "espressif32",
     "DEV": ARDUINO_VERSION_ESP32["dev"],
 }
diff --git a/esphome/core/util.h b/esphome/core/util.h
index 8e30211be6..4b3e79353a 100644
--- a/esphome/core/util.h
+++ b/esphome/core/util.h
@@ -5,6 +5,11 @@
 
 namespace esphome {
 
+/// Macro for IDF version comparision
+#ifndef ESP_IDF_VERSION_VAL
+#define ESP_IDF_VERSION_VAL(major, minor, patch) ((major << 16) | (minor << 8) | (patch))
+#endif
+
 /// Return whether the node is connected to the network (through wifi, eth, ...)
 bool network_is_connected();
 /// Get the active network hostname