diff --git a/.mypy.ini b/.mypy.ini
new file mode 100644
index 0000000..c005c7d
--- /dev/null
+++ b/.mypy.ini
@@ -0,0 +1,3 @@
+[mypy]
+ignore_missing_imports = True
+exclude = venv
diff --git a/dev.requirements.txt b/dev.requirements.txt
index d75ecc1..da9cb13 100644
--- a/dev.requirements.txt
+++ b/dev.requirements.txt
@@ -1,2 +1,3 @@
 pylint>=2.6.0
-black>=20.8b1
\ No newline at end of file
+black>=20.8b1
+mypy>=0.812
\ No newline at end of file
diff --git a/tuxbot/cogs/Admin/functions/__init__.py b/tuxbot/cogs/Admin/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Crypto/functions/__init__.py b/tuxbot/cogs/Crypto/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Custom/functions/__init__.py b/tuxbot/cogs/Custom/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Dev/functions/__init__.py b/tuxbot/cogs/Dev/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Logs/functions/__init__.py b/tuxbot/cogs/Logs/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Network/functions/__init__.py b/tuxbot/cogs/Network/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Network/functions/consts.py b/tuxbot/cogs/Network/functions/consts.py
deleted file mode 100644
index 0b89acf..0000000
--- a/tuxbot/cogs/Network/functions/consts.py
+++ /dev/null
@@ -1,3 +0,0 @@
-DOMAIN_PATTERN = r"^((.*)+\.)+[a-z\-]{2,}\.?$"
-IPV4_PATTERN = r"^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$"
-IPV6_PATTERN = r"^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))"
diff --git a/tuxbot/cogs/Network/functions/utils.py b/tuxbot/cogs/Network/functions/utils.py
index 79d0cb6..118f478 100644
--- a/tuxbot/cogs/Network/functions/utils.py
+++ b/tuxbot/cogs/Network/functions/utils.py
@@ -1,4 +1,3 @@
-import re
 import socket
 from typing import Union, NoReturn
 
@@ -10,11 +9,6 @@ from ipinfo.exceptions import RequestQuotaExceededError
 
 from ipwhois import Net
 from ipwhois.asn import IPASN
-from tuxbot.cogs.Network.functions.consts import (
-    DOMAIN_PATTERN,
-    IPV4_PATTERN,
-    IPV6_PATTERN,
-)
 
 from tuxbot.cogs.Network.functions.exceptions import (
     VersionNotFound,
@@ -44,7 +38,7 @@ async def get_ip(ip: str, inet: str = "", tmp: discord.Message = None) -> str:
 
         raise VersionNotFound(
             _(
-                "Impossible to collect information on this in the given "
+                "Unable to collect information on this in the given "
                 "version",
             )
         ) from e
@@ -137,17 +131,6 @@ async def get_pydig_result(
     return resolver.query(domain, query_type)
 
 
-def check_ip_or_raise(ip: str) -> Union[bool, NoReturn]:
-    check_domain = re.match(DOMAIN_PATTERN, ip)
-    check_ipv4 = re.match(IPV4_PATTERN, ip)
-    check_ipv6 = re.match(IPV6_PATTERN, ip)
-
-    if check_domain or check_ipv4 or check_ipv6:
-        return True
-
-    raise InvalidIp(_("Invalid ip or domain"))
-
-
 def check_ip_version_or_raise(version: str) -> Union[bool, NoReturn]:
     if version in ["4", "6", ""]:
         return True
diff --git a/tuxbot/cogs/Network/network.py b/tuxbot/cogs/Network/network.py
index 0ea02cb..e449625 100644
--- a/tuxbot/cogs/Network/network.py
+++ b/tuxbot/cogs/Network/network.py
@@ -41,7 +41,6 @@ from .functions.utils import (
     get_ipwhois_result,
     merge_ipinfo_ipwhois,
     get_pydig_result,
-    check_ip_or_raise,
     check_query_type_or_raise,
     check_ip_version_or_raise,
 )
@@ -59,9 +58,6 @@ class Network(commands.Cog, name="Network"):
         ).config
 
     async def cog_command_error(self, ctx, error):
-        self.bot.console.log("Pass here")
-        self.bot.console.log(error)
-        self.bot.console.log(type(error))
         if isinstance(
             error,
             (
@@ -73,8 +69,6 @@ class Network(commands.Cog, name="Network"):
                 VersionNotFound,
             ),
         ):
-            self.bot.console.log("Pass there")
-
             await ctx.send(_(str(error), ctx, self.bot.config))
 
     # =========================================================================
@@ -87,7 +81,6 @@ class Network(commands.Cog, name="Network"):
         ip: IPConverter,
         version: IPVersionConverter = "",
     ):
-        check_ip_or_raise(str(ip))
         check_ip_version_or_raise(str(version))
 
         tmp = await ctx.send(
diff --git a/tuxbot/cogs/Polls/functions/__init__.py b/tuxbot/cogs/Polls/functions/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tuxbot/cogs/Utils/functions/__init__.py b/tuxbot/cogs/Utils/functions/__init__.py
new file mode 100644
index 0000000..e69de29