diff --git a/domains/_dmarc.getpixillium.is-cool.dev.json b/domains/_dmarc.getpixillium.is-cool.dev.json
new file mode 100644
index 00000000..5fb576af
--- /dev/null
+++ b/domains/_dmarc.getpixillium.is-cool.dev.json
@@ -0,0 +1,15 @@
+{
+  "description": "It is for DMARC verification.",
+  "domain": "is-cool.dev",
+  "subdomain": "_dmarc.getpixillium",
+  "owner": {
+    "repo": "https://github.com/pixillium/open-domains-register",
+    "email": "pixillium.official@gmail.com"
+  },
+  "record": {
+    "TXT": [
+      "v=DMARC1; p=none; rua=mailto:hello@pixillium.is-cool.dev; ruf=mailto:hello@pixillium.is-cool.dev; sp=quarantine; adkim=r; aspf=r; pct=100"
+    ]
+  },
+  "proxied": false
+}
diff --git a/domains/cka._domainkey.getpixillium.is-cool.dev.json b/domains/cka._domainkey.getpixillium.is-cool.dev.json
new file mode 100644
index 00000000..95e783da
--- /dev/null
+++ b/domains/cka._domainkey.getpixillium.is-cool.dev.json
@@ -0,0 +1,13 @@
+{
+  "description": "It is for CKA setup.",
+  "domain": "is-cool.dev",
+  "subdomain": "cka._domainkey.getpixillium",
+  "owner": {
+    "repo": "https://github.com/pixillium/open-domains-register",
+    "email": "pixillium.official@gmail.com"
+  },
+  "record": {
+    "CNAME": "dkim.dm-edf029b0.sg2.convertkit.com"
+  },
+  "proxied": false
+}
diff --git a/domains/cka2._domainkey.getpixillium.is-cool.dev.json b/domains/cka2._domainkey.getpixillium.is-cool.dev.json
new file mode 100644
index 00000000..30d84409
--- /dev/null
+++ b/domains/cka2._domainkey.getpixillium.is-cool.dev.json
@@ -0,0 +1,13 @@
+{
+  "description": "It is for CKA setup.",
+  "domain": "is-cool.dev",
+  "subdomain": "cka2._domainkey.getpixillium",
+  "owner": {
+    "repo": "https://github.com/pixillium/open-domains-register",
+    "email": "pixillium.official@gmail.com"
+  },
+  "record": {
+    "CNAME": "dkim2.dm-48ff3464.sg2.convertkit.com"
+  },
+  "proxied": false
+}
diff --git a/domains/ckespa.getpixillium.is-cool.dev.json b/domains/ckespa.getpixillium.is-cool.dev.json
new file mode 100644
index 00000000..e04966c7
--- /dev/null
+++ b/domains/ckespa.getpixillium.is-cool.dev.json
@@ -0,0 +1,13 @@
+{
+  "description": "It is for Ckespa verification.",
+  "domain": "is-cool.dev",
+  "subdomain": "ckespa.getpixillium",
+  "owner": {
+    "repo": "https://github.com/pixillium/open-domains-register",
+    "email": "pixillium.official@gmail.com"
+  },
+  "record": {
+    "CNAME": "spf.dm-290af8e5.sg2.convertkit.com"
+  },
+  "proxied": false
+}
diff --git a/domains/getpixillium.is-cool.dev.json b/domains/getpixillium.is-cool.dev.json
new file mode 100644
index 00000000..45b2b184
--- /dev/null
+++ b/domains/getpixillium.is-cool.dev.json
@@ -0,0 +1,19 @@
+{
+    "description": "It is a secondary domain to pixillium.is-cool.dev for reputation problem fixes.",
+    "domain": "is-cool.dev",
+    "subdomain": "getpixillium",
+    "owner": {
+        "repo": "https://github.com/pixillium/open-domains-register",
+        "email": "pixillium.official@gmail.com"
+    },
+    "record": {
+        "A": ["216.198.79.1"],
+        "MX": [
+            "mx.zoho.com",
+            "mx2.zoho.com",
+            "mx3.zoho.com"
+        ],
+        "TXT": ["v=spf1 include:zohomail.com ~all"]
+    },
+    "proxied": false
+}