Manual update. No guarantee.

kuku_domains.txt

addrin.uk
ak.gy
akugu.com
aquapal.net
bangban.uk
boxfi.uk
catbar.net
catgroup.uk
ccmail.uk
choco.la
cocoro.uk
cream.pink
digdig.org
dogsmot.com
eay.jp
eeu.jp
eripo.net
exdonuts.com
exwa.org
f5.si
fanclub.pm
fukurou.ch
fuwa.be
fuwa.li
fuwamofu.com
fuwari.be
goatmail.uk
hamham.uk
haren.uk
heisei.be
honeys.be
hotsoup.be
ichigo.me
instaddr.ch
instaddr.uk
instaddr.win
instmail.uk
kagi.be
kbox.li
kissypie.com
kkmail.be
kksm.be
kmail.li
kpost.be
kuku.lu
macr2.com
magim.be
mail4.uk
mama3.org
mbox.re
merry.pink
meruado.uk
mirai.re
mofu.be
moimoi.re
momoi.uk
na-cat.com
nagi.be
neko2.net
nekochan.fr
nekosan.uk
nezumi.be
niseko.be
nyasan.com
okinawa.li
onlyapp.net
owleyes.ch
ponp.be
postm.net
prin.be
pwpwa.com
quicksend.ch
rapt.be
risu.be
ruru.be
send4.uk
sendapp.uk
sendnow.win
shchiba.uk
sika3.com
simaenaga.com
sofia.re
stayhome.li
svk.jp
tapi.re
tatsu.uk
tensi.org
uma3.be
usagica.com
usako.net
usbc.be
via.tokyo.jp
wanko.be
websend.net
wwtake.com
xmailer.be
xsend.org

kuku_mx.txt

addrin.uk
ak.gy
akugu.com
catbar.net
cocoro.uk
dogsmot.com
eeu.jp
exwa.org
kissypie.com
momoi.uk
na-cat.com
nyasan.com
onlyapp.net
postm.net
pwpwa.com
recv1.erinn.biz
recv100.erinn.biz
recv101.erinn.biz
recv2.erinn.biz
recv3.erinn.biz
recv4.erinn.biz
recv5.erinn.biz
recv6.erinn.biz
recv7.erinn.biz
recv8.erinn.biz
shchiba.uk
tatsu.uk
usagica.com
websend.net
wwtake.com
xmailer.be
xsend.org

kuku_unknown.txt

126.com
amazon.co.jp
amazon.com
apple.com
asahi-net.or.jp
docomo.ne.jp
ezweb.ne.jp
gmail.com
google.com
hotmail.com
i.softbank.jp
live.jp
naver.com
postm.org
privaterelay.appleid.com
rakuten.co.jp
xmailer.bekissypie.com
yahoo.co.jp
yahoo.com