Re: [dmarc-ietf] Thoughts on choosing N

[John Levine <[e-mail]>]

It appears that Scott Kitterman  <[e-mail]> said:
>In the case of a.b.c.example.com and example.com is in the PSL, the DMARC records in a.b.c.example.com (if present) and example.com
>(otherwise) are consulted.  The only way to get to b.c.example.com or c.example.com would be to add them to the PSL.  These are
>what I meant by intermediate records.

I get that but in fact there are lots of PSL records underneath .com, more than 900 of them.

>I don't find cases where it looks like such things have been added to the PSL, ...

We know there aren't any in the PSL more than 5 levels deep but there
are plenty shallower than that. I have no idea how many of them are
used for mail but a lot of them look plausible.

R's,
John

Here's some of them

a2hosted.com
cpserver.com
adobeaemcloud.com
airkitapps.com
airkitapps-au.com
aivencloud.com
kasserver.com
awsglobalaccelerator.com
siiites.com
on-aptible.com
myasustor.com
balena-devices.com
betainabox.com
boutir.com
bplaced.com
cafjs.com
canva-apps.com
br.com
cn.com
de.com
eu.com
jpn.com
mex.com
ru.com
sa.com
uk.com
us.com
za.com
ar.com
hu.com
kr.com
no.com
qc.com
uy.com
africa.com
gr.com
co.com
jdevcloud.com
wpdevcloud.com
cloudcontrolled.com
cloudcontrolapp.com
cf-ipfs.com
cloudflare-ipfs.com
trycloudflare.com
cdn77-storage.com
dnsabr.com
cyclic-app.com
dattolocal.com
dattorelay.com
dattoweb.com
mydatto.com
builtwithdark.com
ddns5.com
discordsays.com
discordsez.com
drayddns.com
dreamhosters.com
mydrobo.com
dyndns-at-home.com
dyndns-at-work.com
dyndns-blog.com
dyndns-free.com
dyndns-home.com
dyndns-ip.com
dyndns-mail.com
dyndns-office.com
dyndns-pics.com
dyndns-remote.com
dyndns-server.com
dyndns-web.com
dyndns-wiki.com
dyndns-work.com
blogdns.com
cechire.com
dnsalias.com
dnsdojo.com
doesntexist.com
dontexist.com
doomdns.com
dyn-o-saur.com
dynalias.com
est-a-la-maison.com
est-a-la-masion.com
est-le-patron.com
est-mon-blogueur.com
from-ak.com
from-al.com
from-ar.com
from-ca.com
from-ct.com
from-dc.com
from-de.com
from-fl.com
from-ga.com
from-hi.com
from-ia.com
from-id.com
from-il.com
from-in.com
from-ks.com
from-ky.com
from-ma.com
from-md.com
from-mi.com
from-mn.com
from-mo.com
from-ms.com
from-mt.com
from-nc.com
from-nd.com
from-ne.com
from-nh.com
from-nj.com
from-nm.com
from-nv.com
from-oh.com
from-ok.com
from-or.com
from-pa.com
from-pr.com
from-ri.com
from-sc.com
from-sd.com
from-tn.com
from-tx.com
from-ut.com
from-va.com
from-vt.com
from-wa.com
from-wi.com
from-wv.com
from-wy.com
getmyip.com
gotdns.com
hobby-site.com
homelinux.com
homeunix.com
iamallama.com
is-a-anarchist.com
is-a-blogger.com
is-a-bookkeeper.com
is-a-bulls-fan.com
is-a-caterer.com
is-a-chef.com
is-a-conservative.com
is-a-cpa.com
is-a-cubicle-slave.com
is-a-democrat.com
is-a-designer.com
is-a-doctor.com
is-a-financialadvisor.com
is-a-geek.com
is-a-green.com
is-a-guru.com
is-a-hard-worker.com
is-a-hunter.com
is-a-landscaper.com
is-a-lawyer.com
is-a-liberal.com
is-a-libertarian.com
is-a-llama.com
is-a-musician.com
is-a-nascarfan.com
is-a-nurse.com
is-a-painter.com
is-a-personaltrainer.com
is-a-photographer.com
is-a-player.com
is-a-republican.com
is-a-rockstar.com
is-a-socialist.com
is-a-student.com
is-a-teacher.com
is-a-techie.com
is-a-therapist.com
is-an-accountant.com
is-an-actor.com
is-an-actress.com
is-an-anarchist.com
is-an-artist.com
is-an-engineer.com
is-an-entertainer.com
is-certified.com
is-gone.com
is-into-anime.com
is-into-cars.com
is-into-cartoons.com
is-into-games.com
is-leet.com
is-not-certified.com
is-slick.com
is-uberleet.com
is-with-theband.com
isa-geek.com
isa-hockeynut.com
issmarterthanyou.com
likes-pie.com
likescandy.com
neat-url.com
saves-the-whales.com
selfip.com
sells-for-less.com
sells-for-u.com
servebbs.com
simple-url.com
space-to-rent.com
teaches-yoga.com
writesthisblog.com
ddnsfree.com
ddnsgeek.com
giize.com
gleeze.com
kozow.com
loseyourip.com
ooguy.com
theworkpc.com
mytuleap.com
tuleap-partners.com
encoreapi.com
onfabrica.com
fastly-edge.com
fastly-terrarium.com
fastvps-server.com
mydobiss.com
firebaseapp.com
fldrv.com
forgeblocks.com
framercanvas.com
freebox-os.com
freeboxos.com
freemyip.com
aliases121.com
gentapps.com
gentlentapis.com
githubusercontent.com
appspot.com
codespot.com
googleapis.com
googlecode.com
pagespeedmobilizer.com
publishproxy.com
withgoogle.com
withyoutube.com
blogspot.com
grayjayleagues.com
awsmppl.com
herokuapp.com
herokussl.com
impertrixcdn.com
impertrix.com
smushcdn.com
wphostedmail.com
wpmucdn.com
pixolino.com
amscompute.com
dopaas.com
kilatiron.com
webadorsite.com
ktistory.com
lpusercontent.com
barsycenter.com
barsyonline.com
mazeplay.com
miniserver.com
atmeta.com
meteorapp.com
hostedpi.com
nfshost.com
ddnslive.com
myiphost.com
blogsyte.com
ciscofreak.com
damnserver.com
ditchyourip.com
dnsiskinky.com
dynns.com
geekgalaxy.com
health-carereform.com
homesecuritymac.com
homesecuritypc.com
myactivedirectory.com
mysecuritycamera.com
net-freaks.com
onthewifi.com
point2this.com
quicksytes.com
securitytactics.com
serveexchange.com
servehumour.com
servep2p.com
servesarcasm.com
stufftoread.com
unusualperson.com
workisboring.com
ddnsking.com
myvnc.com
servebeer.com
servecounterstrike.com
serveftp.com
servegame.com
servehalflife.com
servehttp.com
serveirc.com
servemp3.com
servepics.com
servequake.com
simplesite.com
orsites.com
operaunite.com
authgear-staging.com
authgearapps.com
skygearapp.com
outsystemscloud.com
ownprovider.com
pgfog.com
pagefrontapp.com
pagexl.com
gotpantheon.com
upsunapp.com
platter-app.com
pleskns.com
postman-echo.com
pythonanywhere.com
qualifioapp.com
ladesk.com
qbuser.com
qa2.com
dev-myqnapcloud.com
alpha-myqnapcloud.com
myqnapcloud.com
rackmaze.com
rhcloud.com
onrender.com
dojin.com
sakuratan.com
sakuraweb.com
x0.com
logoip.com
scrysec.com
firewall-gateway.com
myshopblocks.com
myshopify.com
shopitsite.com
appchizi.com
applinzi.com
sinaapp.com
vipsinaapp.com
bounty-full.com
streamlitapp.com
try-snowplow.com
w-corp-staticblitz.com
w-credentialless-staticblitz.com
w-staticblitz.com
stackhero-network.com
playstation-cloud.com
myspreadshop.com
streak-link.com
streaklinks.com
streakusercontent.com
temp-dns.com
dsmynas.com
familyds.com
mytabit.com
reservd.com
thingdustdata.com
bloxcms.com
townnews-staging.com
hk.com
it.com
wafflecell.com
reserve-online.com
hotelwithflight.com
remotewd.com
messwithdns.com
woltlab-demo.com
wpenginepowered.com
wixsite.com
xnbay.com
yolasite.com

demo.datadetect.com
instance.datadetect.com
eu-1.evennode.com
eu-2.evennode.com
eu-3.evennode.com
eu-4.evennode.com
us-1.evennode.com
us-2.evennode.com
us-3.evennode.com
us-4.evennode.com
paas.hosted-by-previder.com
rag-cloud.hosteur.com
rag-cloud-ch.hosteur.com
jcloud.ik-server.com
jcloud-ver-jpc.ik-server.com
demo.jelastic.com
paas.massivegrid.com
jed.wafaicloud.com
lon.wafaicloud.com
ryd.wafaicloud.com
app.lmpm.com
members.linode.com
ip.linodeusercontent.com
apps.fbsbx.com
eu.meteorapp.com
cloudapp.azure.com
customer.mythic-beasts.com
caracal.mythic-beasts.com
fentiger.mythic-beasts.com
lynx.mythic-beasts.com
ocelot.mythic-beasts.com
oncilla.mythic-beasts.com
onza.mythic-beasts.com
sphinx.mythic-beasts.com
vs.mythic-beasts.com
x.mythic-beasts.com
yali.mythic-beasts.com
cloud.nospamproxy.com
static.observableusercontent.com
xen.prgmr.com
eu.pythonanywhere.com
app.render.com
alpha.bounty-full.com
beta.bounty-full.com
api.stdlib.com
site.tb-hosting.com
pro.typeform.com
pages.wiardweb.com
js.wpenginepowered.com
u2.xnbay.com
u2-local.xnbay.com