diff --git a/README.md b/README.md
index 3dc2293..c4bdbff 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A Python script to resolve email-related DNS records for a domain.
 Example:
 
 ```
-$ python email_dns.py cbarts.net
+$ python email_dns.py contoso.com
 {
     "cbarts.net": {
         "mx": [
diff --git a/email_dns.py b/email_dns.py
index fcb1125..3f9c9fb 100755
--- a/email_dns.py
+++ b/email_dns.py
@@ -22,6 +22,15 @@ dkim_selectors = { # <selector>._domainkey.<domain>
     'protonmail': [
         'protonmail', 'protonmail1', 'protonmail2'
     ],
+    'autotask': [
+        'autotask'
+    ],
+    'connectwise psa': [
+        's318306'
+    ],
+    'zendesk': [
+        'zendesk1', 'zendesk2'
+    ],
     'sendgrid': [
         'sg', 's1', 'sg2', 's2', 's3'
     ],