diff --git a/qutebrowser/browser/adblock.py b/qutebrowser/browser/adblock.py
index d43efa6ee..b08e69032 100644
--- a/qutebrowser/browser/adblock.py
+++ b/qutebrowser/browser/adblock.py
@@ -32,6 +32,34 @@ from qutebrowser.utils import objreg, standarddir, log, message
 from qutebrowser.commands import cmdutils
 
 
+def guess_zip_filename(zf):
+    """Guess which file to use inside a zip file.
+
+    Args:
+        zf: A ZipFile instance.
+    """
+    files = zf.namelist()
+    if len(files) == 1:
+        return files[0]
+    else:
+        for e in files:
+            if posixpath.splitext(e)[0].lower() == 'hosts':
+                return e
+    raise FileNotFoundError("No hosts file found in zip")
+
+def get_fileobj(byte_io):
+    """Get an usable file object to read the hosts file from."""
+    byte_io.seek(0)  # rewind downloaded file
+    if zipfile.is_zipfile(byte_io):
+        byte_io.seek(0)  # rewind what zipfile.is_zipfile did
+        zf = zipfile.ZipFile(byte_io)
+        filename = guess_zip_filename(zf)
+        byte_io = zf.open(filename, mode='r')
+    else:
+        byte_io.seek(0)  # rewind what zipfile.is_zipfile did
+    return io.TextIOWrapper(byte_io, encoding='utf-8')
+
+
 class FakeDownload:
 
     """A download stub to use on_download_finished with local files."""
@@ -103,33 +131,6 @@ class HostBlocker:
                 download.finished.connect(
                     functools.partial(self.on_download_finished, download))
 
-    def _guess_zip_filename(self, zf):
-        """Guess which file to use inside a zip file.
-
-        Args:
-            zf: A ZipFile instance.
-        """
-        files = zf.namelist()
-        if len(files) == 1:
-            return files[0]
-        else:
-            for e in files:
-                if posixpath.splitext(e)[0].lower() == 'hosts':
-                    return e
-        raise FileNotFoundError("No hosts file found in zip")
-
-    def _get_fileobj(self, byte_io):
-        """Get an usable file object to read the hosts file from."""
-        byte_io.seek(0)  # rewind downloaded file
-        if zipfile.is_zipfile(byte_io):
-            byte_io.seek(0)  # rewind what zipfile.is_zipfile did
-            zf = zipfile.ZipFile(byte_io)
-            filename = self._guess_zip_filename(zf)
-            byte_io = zf.open(filename, mode='r')
-        else:
-            byte_io.seek(0)  # rewind what zipfile.is_zipfile did
-        return io.TextIOWrapper(byte_io, encoding='utf-8')
-
     def _merge_file(self, byte_io):
         """Read and merge host files.
 
@@ -142,7 +143,7 @@ class HostBlocker:
         error_count = 0
         line_count = 0
         try:
-            f = self._get_fileobj(byte_io)
+            f = get_fileobj(byte_io)
         except (FileNotFoundError, UnicodeDecodeError, zipfile.BadZipFile,
                 zipfile.LargeZipFile) as e:
             message.error('last-focused', "adblock: Error while reading {}: "
diff --git a/qutebrowser/config/configdata.py b/qutebrowser/config/configdata.py
index aa92b8ea3..a2f851908 100644
--- a/qutebrowser/config/configdata.py
+++ b/qutebrowser/config/configdata.py
@@ -125,7 +125,7 @@ DATA = collections.OrderedDict([
          "Whether to wrap finding text to the top when arriving at the end."),
 
         ('startpage',
-         SettingValue(typ.List(), 'http://www.duckduckgo.com'),
+         SettingValue(typ.List(), 'https://www.duckduckgo.com'),
          "The default page(s) to open at the start, separated by commas."),
 
         ('auto-search',
diff --git a/scripts/hostblock_blame.py b/scripts/hostblock_blame.py
new file mode 100644
index 000000000..49a46aa84
--- /dev/null
+++ b/scripts/hostblock_blame.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+# pylint: disable=broad-except
+
+"""Check by which hostblock list a host was blocked."""
+
+import sys
+import io
+import os
+import os.path
+import configparser
+import urllib.request
+
+from PyQt5.QtCore import QStandardPaths
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), os.pardir))
+from qutebrowser.browser import adblock
+
+
+def main():
+    """Check by which hostblock list a host was blocked."""
+    if len(sys.argv) != 2:
+        print("Usage: {} <host>".format(sys.argv[0]), file=sys.stderr)
+        sys.exit(1)
+    confdir = QStandardPaths.writableLocation(QStandardPaths.ConfigLocation)
+    confdir = confdir.replace('/', os.sep)
+    if confdir.split(os.sep)[-1] != 'qutebrowser':
+        confdir = os.path.join(confdir, 'qutebrowser')
+    confpath = os.path.join(confdir, 'qutebrowser.conf')
+    parser = configparser.ConfigParser()
+    print("config path: {}".format(confpath))
+    successful = parser.read(confpath, encoding='utf-8')
+    if not successful:
+        raise IOError("configparser did not read files successfully!")
+    lists = parser['content']['host-block-lists']
+    for url in lists.split(','):
+        print("checking {}...".format(url))
+        raw_file = urllib.request.urlopen(url)
+        byte_io = io.BytesIO(raw_file.read())
+        f = adblock.get_fileobj(byte_io)
+        for line in f:
+            if sys.argv[1] in line:
+                print("FOUND {} in {}:".format(sys.argv[1], url))
+                print("    " + line.rstrip())
+
+
+if __name__ == '__main__':
+    main()