diff --git a/documentation/provider/index.md b/documentation/provider/index.md
index aa2b45901..168423dbc 100644
--- a/documentation/provider/index.md
+++ b/documentation/provider/index.md
@@ -91,7 +91,7 @@ Jump to a table:
 | ------------- | -------------------------------------------------------------------- | ---------------------------------------------- | -------------- | --------- |
 | [`ADGUARDHOME`](adguardhome.md) | ❔ | ❔ | ❌ | ❌ |
 | [`AKAMAIEDGEDNS`](akamaiedgedns.md) | ❔ | ✅ | ✅ | ✅ |
-| [`ALIDNS`](alidns.md) | ❌ | ❌ | ❌ | ❔ |
+| [`ALIDNS`](alidns.md) | ✅ | ❌ | ❌ | ❔ |
 | [`AUTODNS`](autodns.md) | ✅ | ❌ | ❌ | ✅ |
 | [`AXFRDDNS`](axfrddns.md) | ✅ | ❌ | ❌ | ❌ |
 | [`AZURE_DNS`](azure_dns.md) | ✅ | ✅ | ✅ | ✅ |
diff --git a/providers/alidns/aliDnsProvider.go b/providers/alidns/aliDnsProvider.go
index 884fa6dc3..076829dc6 100644
--- a/providers/alidns/aliDnsProvider.go
+++ b/providers/alidns/aliDnsProvider.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"strings"
+	"sync"
 
 	"github.com/StackExchange/dnscontrol/v4/models"
 	"github.com/StackExchange/dnscontrol/v4/pkg/diff2"
@@ -21,7 +22,7 @@ var features = providers.DocumentationNotes{
 	providers.CanUseSSHFP:            providers.Cannot(),
 	providers.CanUseTLSA:             providers.Cannot(),
 	providers.CanAutoDNSSEC:          providers.Cannot(),
-	providers.CanConcur:              providers.Cannot(),
+	providers.CanConcur:              providers.Can(),
 	providers.DocOfficiallySupported: providers.Cannot(),
 	providers.DocDualHost:            providers.Cannot(),
 	providers.DocCreateDomains:       providers.Cannot(),
@@ -50,6 +51,7 @@ func init() {
 type aliDnsDsp struct {
 	client             *alidns.Client
 	domainVersionCache map[string]*domainVersionInfo
+	cacheMu            sync.Mutex
 }
 
 type domainVersionInfo struct {
diff --git a/providers/alidns/api.go b/providers/alidns/api.go
index 64905649a..538414a03 100644
--- a/providers/alidns/api.go
+++ b/providers/alidns/api.go
@@ -10,7 +10,10 @@ import (
 
 func (a *aliDnsDsp) getDomainVersionInfo(domain string) (*domainVersionInfo, error) {
 	// Check cache first
-	if info, ok := a.domainVersionCache[domain]; ok {
+	a.cacheMu.Lock()
+	info, ok := a.domainVersionCache[domain]
+	a.cacheMu.Unlock()
+	if ok {
 		return info, nil
 	}
 
@@ -38,12 +41,14 @@ func (a *aliDnsDsp) getDomainVersionInfo(domain string) (*domainVersionInfo, err
 		}
 	}
 
-	info := &domainVersionInfo{
+	info = &domainVersionInfo{
 		versionCode: resp.VersionCode,
 		minTTL:      minTTL,
 		maxTTL:      86400,
 	}
+	a.cacheMu.Lock()
 	a.domainVersionCache[domain] = info
+	a.cacheMu.Unlock()
 	return info, nil
 }