380 DNS NS record assets at ns1.proofpoint.com.
proofpoint.de
proofpoint.es
illusive.com
proofpoint.network
proofpoint.website
proofpoint.software
proofpointlevelup.com
illusivenetworks.com
proofpoint.com
proofpoint.mx
traininglevelup.com
partnerslevelup.com
proofpoint.fr
proofpoint.systems
proofpointarchiving.net
weblifesoxtest.com
fortiva.com
proofpoint.support
proofpoint.solutions
thedefenceworks.com
proofpoint.it
dathena.io
proofpoint.services
intelisecure.com
cloudmark.com