diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..306b569
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,6 @@
+language: python
+python:
+  - "3.6"
+script:
+  - python verify.py
+
diff --git a/disposable_email_blacklist.conf b/disposable_email_blacklist.conf
index f17634a..fe136ce 100644
--- a/disposable_email_blacklist.conf
+++ b/disposable_email_blacklist.conf
@@ -487,7 +487,6 @@ codeandscotch.com
 codivide.com
 coieo.com
 coldemail.info
-com.ar
 compareshippingrates.org
 completegolfswing.com
 comwest.de
@@ -536,7 +535,6 @@ darkharvestfilms.com
 daryxfox.net
 dash-pads.com
 dataarca.com
-datafilehost
 datarca.com
 datazo.ca
 davidkoh.net
@@ -672,7 +670,6 @@ durandinterstellar.com
 duskmail.com
 dwse.edu.pl
 dyceroprojects.com
-dynu.net
 dz17.net
 e-mail.com
 e-mail.org
@@ -686,8 +683,6 @@ ebeschlussbuch.de
 ecallheandi.com
 edgex.ru
 edinburgh-airporthotels.com
-edu.my
-edu.sg
 edv.to
 ee1.pl
 ee2.pl
@@ -1147,7 +1142,6 @@ ibnuh.bz
 icantbelieveineedtoexplainthisshit.com
 icx.in
 icx.ro
-id.au
 ieatspam.eu
 ieatspam.info
 ieh-mail.de
@@ -1308,7 +1302,6 @@ kopaka.net
 kosmetik-obatkuat.com
 kostenlosemailadresse.de
 koszmail.pl
-kozow.com
 krd.ag
 krsw.tk
 krypton.tk
@@ -1616,7 +1609,6 @@ moza.pl
 mozej.com
 mr24.co
 msgos.com
-msk.ru
 mspeciosa.com
 msrc.ml
 mswork.ru
@@ -1713,7 +1705,6 @@ nodezine.com
 nogmailspam.info
 noicd.com
 nokiamail.com
-nom.za
 nomail.pw
 nomail.xl.cx
 nomail2me.com
@@ -2151,7 +2142,6 @@ spamthisplease.com
 spamtrail.com
 spamtrap.ro
 spamtroll.net
-spb.ru
 speed.1s.fr
 speedgaus.net
 spikio.com
@@ -2511,7 +2501,6 @@ watchfull.net
 watchironman3onlinefreefullmovie.com
 wbml.net
 web-mail.pp.ua
-web.id
 webemail.me
 webm4il.info
 webmail.igg.biz
@@ -2654,7 +2643,6 @@ yyolf.net
 z0d.eu
 z1p.biz
 z86.ru
-za.com
 zain.site
 zainmax.net
 zasod.com
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..3ad8980
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+publicsuffixlist
diff --git a/verify.py b/verify.py
new file mode 100644
index 0000000..fd6d40c
--- /dev/null
+++ b/verify.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+"""Verify the integrity of the domain blacklist
+"""
+
+import io
+import sys
+
+from publicsuffixlist import PublicSuffixList
+
+def main(arguments):
+    psl = PublicSuffixList()
+    suffix_detected = False
+
+    with io.open('disposable_email_blacklist.conf', 'r') as deb:
+        for i, line in enumerate(deb):
+            current_line = line.strip()
+            public_suffix = psl.publicsuffix(current_line)
+            if public_suffix == current_line:
+                print(f'The line number {i+1} contains just a public suffix: {current_line}')
+                suffix_detected = True
+    if suffix_detected:
+        print ('At least one valid public suffix found in the blacklist, please remove it. See https://publicsuffix.org for details on why this shouldn\'t be blacklisted.')
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main(sys.argv)