diff --git a/domains/*.srv.maragi.is-cool.dev.json b/domains/*.srv.maragi.is-cool.dev.json
index 12abba88..8f75e842 100644
--- a/domains/*.srv.maragi.is-cool.dev.json
+++ b/domains/*.srv.maragi.is-cool.dev.json
@@ -8,9 +8,6 @@
         "A": [
             "185.31.40.16"
         ],
-        "AAAA": [
-          "2a00:b6e0:0001:0020:0007:0000:0000:0001"  
-        ],
         "MX": [
             "mx1.alwaysdata.com",
             "mx2.alwaysdata.com"
diff --git a/domains/hrv-clan.is-local.org.json b/domains/hrv-clan.is-local.org.json
index 6edcdfd6..c1260a23 100644
--- a/domains/hrv-clan.is-local.org.json
+++ b/domains/hrv-clan.is-local.org.json
@@ -9,12 +9,8 @@
   "record": {
     "A": ["75.2.60.5"],
     "MX": [
-      "mx1.simplelogin.co",
-      "mx2.simplelogin.co"
-    ],
-    "TXT": [
-      "v=spf1 include:simplelogin.co ~all",
-      "sl-verification=pephggejqrebaeehwtrcnlckzadkpz"
+      "mx1.improvmx.com",
+      "mx2.improvmx.com"
     ]
   },
   "proxied": false
diff --git a/domains/semfronteiras.is-local.org.json b/domains/semfronteiras.is-local.org.json
new file mode 100644
index 00000000..8dabbd68
--- /dev/null
+++ b/domains/semfronteiras.is-local.org.json
@@ -0,0 +1,16 @@
+{
+  "description": "Site institucional da Empresa Júnior Sem Fronteiras (FronteiraTec)",
+  "domain": "is-local.org",
+  "subdomain": "semfronteiras",
+
+  "owner": {
+    "repo": "https://github.com/FronteiraTec/site-semfronteiras",
+    "email": "gustavo.botezini@gmail.com"
+  },
+
+  "record": {
+    "CNAME": "fronteiratec.github.io"
+  },
+
+  "proxied": false
+}