[Cryptography] Commercial PKI as dog poop

[Peter Gutmann]

Hat tip to an anonymous contributor: Go to https://www.dogpoopsigns.com and
look at the certificate.  It's actually issued for https://www.smartsign.com,
but is also valid for www.smartsign.com, smartsign.com, myengravedsign.com,
roadtrafficsigns.com, www.mydoorsign.com, www.campgroundsigns.com,
myassettag.com, www.xpresstags.com, www.recyclereminders.com,
shippinglabels.com, lockouttag.com, www.xpressstamp.com, xpressnow.com,
www.labellab.com, www.myparkingpermit.com, www.qclabels.com,
mysafetylabels.com, labellab.com, myhardhatstickers.com, www.mysafetysign.com,
www.warehousetags.com, www.roadtrafficsigns.com, www.myengravedsign.com,
www.myparkingsign.com, warehousetags.com, playgroundsigns.com,
www.jobsafetyscoreboards.com, www.mynameplates.com, dogpoopsigns.com,
www.xpresstabs.com, simplyexitsigns.com, www.petrescuestickers.com,
www.xpressnow.com, mysafetysign.com, www.mynamebadges.com,
wiremarkerbooks.com, xpresscenter.com, flipplacards.com, www.xpressmats.com,
www.myhardhatstickers.com, www.mypoolsigns.com, xpressstamp.com, qclabels.com,
jobsafetyscoreboards.com, www.myassettag.com, recyclereminders.com,
www.lockouttag.com, mynameplates.com, www.flipplacards.com,
www.mysecuritysign.com, www.shippinglabels.com, www.xpresscenter.com,
xpresstags.com, www.mysafetylabels.com, mypoolsigns.com, mynamebadges.com,
www.photo-badge.com, campgroundsigns.com, photo-badge.com,
www.wiremarkerbooks.com, www.playgroundsigns.com, mydoorsign.com,
myparkingpermit.com, myparkingsign.com, petrescuestickers.com,
mysecuritysign.com, www.simplyexitsigns.com, www.tamperevidentlabels.com,
www.dogpoopsigns.com, xpresstabs.com, tamperevidentlabels.com, and
xpressmats.com.

OK, it's CDN certificate, for which a random jumble of unrelated DNs like this
is the norm.  The unintended dogpoop comedy is a good indication of the state
of commercial PKI in this area.

Peter.