diff --git a/cmdeploy/src/cmdeploy/dns.py b/cmdeploy/src/cmdeploy/dns.py
index 4f2af9b..60d78f5 100644
--- a/cmdeploy/src/cmdeploy/dns.py
+++ b/cmdeploy/src/cmdeploy/dns.py
@@ -183,13 +183,10 @@ def check_necessary_dns(out, mail_domain):
     ipv4 = dns.get("A", mail_domain)
     ipv6 = dns.get("AAAA", mail_domain)
     mta_entry = dns.get("CNAME", "mta-sts." + mail_domain)
-    mta_ip = dns.get("A", mta_entry)
-    if not mta_ip:
-        mta_ip = dns.get("AAAA", mta_entry)
     to_print = []
     if not (ipv4 or ipv6):
         to_print.append(f"\t{mail_domain}.\t\t\tA<your server's IPv4 address>")
-    if not mta_ip or not (mta_ip == ipv4 or mta_ip == ipv6):
+    if mta_entry != mail_domain + ".":
         to_print.append(f"\tmta-sts.{mail_domain}.\tCNAME\t{mail_domain}.")
     if to_print:
         to_print.insert(