380 DNS NS record assets at ns1.proofpoint.com.
edynamicsllc.com
proofpoint.co.jp
thedefenceworks.com
myproofpoint.com
proofpoint.works
sendmail.com
proofpoint.email
proofpoint.software
proofpoint.jp
proofpointarchiving.com
partnerslevelup.com
proofpoint.co.uk
illusive.com
traininglevelup.com
intelisecure.com
proofpoint.services
proofpoint.solutions
nextpage.com
proofpointlevelup.com
whoisyourvap.com
whosyourvap.com
veryattackedperson.com
vapindex.com
veryattacked.com
nextpagetech.com