diff --git a/src/bin/d2/check_exists_add.cc b/src/bin/d2/check_exists_add.cc
index 0353fb2316..dade71eeed 100644
--- a/src/bin/d2/check_exists_add.cc
+++ b/src/bin/d2/check_exists_add.cc
@@ -234,11 +234,19 @@ CheckExistsAddTransaction::addingFwdAddrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_ADD_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            retryTransition(SELECTING_FWD_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_ADD_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
@@ -348,11 +356,19 @@ CheckExistsAddTransaction::replacingFwdAddrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REPLACE_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            retryTransition(SELECTING_FWD_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REPLACE_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
@@ -484,11 +500,19 @@ CheckExistsAddTransaction::replacingRevPtrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REPLACE_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            retryTransition(SELECTING_REV_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REPLACE_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
diff --git a/src/bin/d2/check_exists_remove.cc b/src/bin/d2/check_exists_remove.cc
index 87b9fa0d20..10d4566c71 100644
--- a/src/bin/d2/check_exists_remove.cc
+++ b/src/bin/d2/check_exists_remove.cc
@@ -231,11 +231,19 @@ CheckExistsRemoveTransaction::removingFwdAddrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_ADDRS_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            retryTransition(SELECTING_FWD_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_ADDRS_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
@@ -348,12 +356,9 @@ CheckExistsRemoveTransaction::removingFwdRRsHandler() {
         }
 
         case DNSClient::TIMEOUT:
-        case DNSClient::OTHER:
-            // We couldn't send to the current server, log it and set up
+            // No response from the server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
-            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_RRS_IO_ERROR)
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_RRS_TIMEOUT)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
                       .arg(getCurrentServer()->toText());
@@ -369,6 +374,18 @@ CheckExistsRemoveTransaction::removingFwdRRsHandler() {
             retryTransition(PROCESS_TRANS_FAILED_ST);
             break;
 
+        case DNSClient::OTHER:
+            // We couldn't send to the current server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_RRS_IO_ERROR)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            // @note same commentary as in TIMEOUT above case.
+            retryTransition(PROCESS_TRANS_FAILED_ST);
+            break;
+
         case DNSClient::INVALID_RESPONSE:
             // A response was received but was corrupt. Retry it like an IO
             // error.
@@ -496,11 +513,21 @@ CheckExistsRemoveTransaction::removingRevPtrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REMOVE_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            // If we are out of retries on this server, we go back and start
+            // all over on a new server.
+            retryTransition(SELECTING_REV_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REMOVE_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
diff --git a/src/bin/d2/simple_add_without_dhcid.cc b/src/bin/d2/simple_add_without_dhcid.cc
index d204ed5e52..bec84a1558 100644
--- a/src/bin/d2/simple_add_without_dhcid.cc
+++ b/src/bin/d2/simple_add_without_dhcid.cc
@@ -223,11 +223,19 @@ SimpleAddWithoutDHCIDTransaction::replacingFwdAddrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_ADD_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            retryTransition(SELECTING_FWD_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_ADD_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
@@ -354,11 +362,21 @@ SimpleAddWithoutDHCIDTransaction::replacingRevPtrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REPLACE_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            // If we are out of retries on this server, we go back and start
+            // all over on a new server.
+            retryTransition(SELECTING_REV_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REPLACE_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
diff --git a/src/bin/d2/simple_remove_without_dhcid.cc b/src/bin/d2/simple_remove_without_dhcid.cc
index fd0c58f34a..d96939b558 100644
--- a/src/bin/d2/simple_remove_without_dhcid.cc
+++ b/src/bin/d2/simple_remove_without_dhcid.cc
@@ -235,11 +235,19 @@ SimpleRemoveWithoutDHCIDTransaction::removingFwdRRsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_RRS_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            retryTransition(SELECTING_FWD_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_FORWARD_REMOVE_RRS_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())
@@ -373,11 +381,21 @@ SimpleRemoveWithoutDHCIDTransaction::removingRevPtrsHandler() {
         }
 
         case DNSClient::TIMEOUT:
+            // No response from the server, log it and set up
+            // to select the next server for a retry.
+            LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REMOVE_TIMEOUT)
+                      .arg(getRequestId())
+                      .arg(getNcr()->getFqdn())
+                      .arg(getCurrentServer()->toText());
+
+            // If we are out of retries on this server, we go back and start
+            // all over on a new server.
+            retryTransition(SELECTING_REV_SERVER_ST);
+            break;
+
         case DNSClient::OTHER:
             // We couldn't send to the current server, log it and set up
             // to select the next server for a retry.
-            // @note For now we treat OTHER as an IO error like TIMEOUT. It
-            // is not entirely clear if this is accurate.
             LOG_ERROR(d2_to_dns_logger, DHCP_DDNS_REVERSE_REMOVE_IO_ERROR)
                       .arg(getRequestId())
                       .arg(getNcr()->getFqdn())