fix: better host detection and cerbot only on valid hosts

uv.lock

@@ -127,6 +127,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/df/b2/87e62e8c3e2f4b32e5fe99e0b86d576da1312593b39f47d8ceef365e95ed/packaging-26.2-py3-none-any.whl", hash = "sha256:5fc45236b9446107ff2415ce77c807cee2862cb6fac22b8a73826d0693b0980e", size = 100195, upload-time = "2026-04-24T20:15:22.081Z" },
 ]
 
+[[package]]
+name = "parameterized"
+version = "0.9.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/ea/49/00c0c0cc24ff4266025a53e41336b79adaa5a4ebfad214f433d623f9865e/parameterized-0.9.0.tar.gz", hash = "sha256:7fc905272cefa4f364c1a3429cbbe9c0f98b793988efb5bf90aac80f08db09b1", size = 24351, upload-time = "2023-03-27T02:01:11.592Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/00/2f/804f58f0b856ab3bf21617cccf5b39206e6c4c94c2cd227bde125ea6105f/parameterized-0.9.0-py2.py3-none-any.whl", hash = "sha256:4e0758e3d41bea3bbd05ec14fc2c24736723f243b28d702081aef438c9372b1b", size = 20475, upload-time = "2023-03-27T02:01:09.31Z" },
+]
+
 [[package]]
 name = "pluggy"
 version = "1.6.0"
@@ -212,6 +221,7 @@ dependencies = [
 [package.dev-dependencies]
 dev = [
     { name = "coverage" },
+    { name = "parameterized" },
     { name = "pytest" },
     { name = "ruff" },
     { name = "ty" },
@@ -223,6 +233,7 @@ requires-dist = [{ name = "requests", specifier = ">=2.33.1" }]
 [package.metadata.requires-dev]
 dev = [
     { name = "coverage", specifier = ">=7.13.5" },
+    { name = "parameterized", specifier = ">=0.9.0" },
     { name = "pytest", specifier = ">=9.0.3" },
     { name = "ruff", specifier = ">=0.15.10" },
     { name = "ty", specifier = ">=0.0.29" },