diff --git a/zones/mathilde.eu.org.zone b/zones/mathilde.eu.org.zone
index 384b9cf..f2f4263 100644
--- a/zones/mathilde.eu.org.zone
+++ b/zones/mathilde.eu.org.zone
@@ -40,3 +40,8 @@ www                 10800 IN CNAME mathilde.eu.org.
 
 mastodon            10800 IN A      128.140.98.44
 mastodon            10800 IN AAAA   2a01:4f8:c2c:63f7::1
+
+em5258.mastodon         10800 IN CNAME  u26006710.wl211.sendgrid.net.
+s1._domainkey.mastodon  10800 IN CNAME  s1.domainkey.u26006710.wl211.sendgrid.net.
+s2._domainkey.mastodon  10800 IN CNAME  s2.domainkey.u26006710.wl211.sendgrid.net.
+_dmarc.mastodon         10800 IN TXT    "v=DMARC1; p=none;"
\ No newline at end of file