diff --git a/chatmaild/src/chatmaild/config.py b/chatmaild/src/chatmaild/config.py
index a20e41de..2f0c1690 100644
--- a/chatmaild/src/chatmaild/config.py
+++ b/chatmaild/src/chatmaild/config.py
@@ -1,5 +1,5 @@
 import iniconfig
-import datetime
+from datetime import datetime
 
 
 def read_config(inipath):
@@ -35,12 +35,15 @@ def write_initial_config(inipath, mail_domain):
     from importlib.resources import files
 
     inidir = files(__package__).joinpath("ini")
+    selector = "dkim"
+    if mail_domain == "staging.testrun.org":
+        selector = datetime.now().strftime("%Y%m%d%H%M")
     content = (
         inidir.joinpath("chatmail.ini.f")
         .read_text()
         .format(
             mail_domain=mail_domain,
-            dkim_selector=str(datetime.datetime.now().strftime("%Y%m%d%H%M")),
+            dkim_selector=selector,
         )
     )
     if mail_domain.endswith(".testrun.org"):
diff --git a/cmdeploy/src/cmdeploy/dns.py b/cmdeploy/src/cmdeploy/dns.py
index 64a71bb3..c77cf2b8 100644
--- a/cmdeploy/src/cmdeploy/dns.py
+++ b/cmdeploy/src/cmdeploy/dns.py
@@ -51,7 +51,7 @@ def show_dns(args, out) -> int:
     """Check existing DNS records, optionally write them to zone file, return exit code 0 or 1."""
     template = importlib.resources.files(__package__).joinpath("chatmail.zone.f")
     mail_domain = args.config.mail_domain
-    dkim_selector = args.config.dkim_selector
+    selector = args.config.dkim_selector
     ssh = f"ssh root@{mail_domain}"
     dns = DNS(out, mail_domain)
 
@@ -62,8 +62,8 @@ def show_dns(args, out) -> int:
                 continue
             line = line.replace("\t", " ")
             lines.append(line)
-        lines[0] = f"{dkim_selector}._domainkey.{mail_domain}. IN TXT " + lines[0].strip(
-            f"{dkim_selector}._domainkey IN TXT "
+        lines[0] = f"{selector}._domainkey.{mail_domain}. IN TXT " + lines[0].strip(
+            f"{selector}._domainkey IN TXT "
         )
         return "\n".join(lines)
 
@@ -74,7 +74,9 @@ def show_dns(args, out) -> int:
         print("Please run `cmdeploy run` first.")
         return 1
     dkim_entry = read_dkim_entries(
-        out.shell_output(f"{ssh} -- cat /var/lib/rspamd/dkim/{mail_domain}.{dkim_selector}.zone")
+        out.shell_output(
+            f"{ssh} -- cat /var/lib/rspamd/dkim/{mail_domain}.{selector}.zone"
+        )
     )
 
     ipv6 = dns.get_ipv6()