smtp-bra.proofpoint.com DNS trace

Root zone

These servers manage the DNS root zone

a.root-servers.net
AS397197
AS397197
b.root-servers.net
AS394353
AS394353
c.root-servers.net
AS2149
AS2149
d.root-servers.net
AS10886
AS10886
e.root-servers.net
AS21556
AS21556
f.root-servers.net
AS3557
AS3557
g.root-servers.net
AS5927
AS5927
h.root-servers.net
AS1508
AS1508
i.root-servers.net
AS29216
AS29216
j.root-servers.net
AS396661
AS396661
k.root-servers.net
AS25152
AS25152
l.root-servers.net
AS20144
AS20144
m.root-servers.net
AS7500
AS7500
all servers delegate to

com.

These servers manage the com zone

a.gtld-servers.net
AS396555
AS396555
b.gtld-servers.net
AS396661
AS396654
c.gtld-servers.net
AS396555
AS396555
d.gtld-servers.net
AS396555
AS396555
e.gtld-servers.net
AS396555
AS396555
f.gtld-servers.net
AS397197
AS397197
g.gtld-servers.net
AS397197
AS397197
h.gtld-servers.net
AS397197
AS397197
i.gtld-servers.net
AS397197
AS397197
j.gtld-servers.net
AS396566
AS19836
k.gtld-servers.net
AS396566
AS19836
l.gtld-servers.net
AS396566
AS19836
m.gtld-servers.net
AS396566
AS19836
all servers delegate to

proofpoint.com.

These servers manage the proofpoint.com zone

ns1.proofpoint.com
AS22843
AS26211
ns3.proofpoint.com
AS26211
AS22843
pdns99.ultradns.biz
pdns99.ultradns.com
AS12008
AS12008
pdns99.ultradns.net
pdns99.ultradns.org

These servers claim authority over the proofpoint.com zone, which contains smtp-bra.proofpoint.com