diff --git a/server/dns/dns.go b/server/dns/dns.go
index 818e29a..b00508b 100644
--- a/server/dns/dns.go
+++ b/server/dns/dns.go
@@ -29,6 +29,7 @@ func GetTargetFromDNS(domain, mainDomainSuffix string, dnsLookupCache cache.SetG
 			if err == nil {
 				for _, name := range names {
 					name = strings.TrimSuffix(name, ".")
+					name = strings.TrimSpace(name)
 					if strings.HasSuffix(name, mainDomainSuffix) {
 						cname = name
 						break