_spf.prod.hydra.sophos.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

sophos.com.

These servers manage the sophos.com zone

a1-100.akam.net
a10-65.akam.net
a11-66.akam.net
a14-67.akam.net
a18-64.akam.net
a9-65.akam.net
all servers delegate to

hydra.sophos.com.

These servers manage the hydra.sophos.com zone

ns-1378.awsdns-44.org
ns-1592.awsdns-07.co.uk
ns-209.awsdns-26.com
ns-930.awsdns-52.net
all servers delegate to

prod.hydra.sophos.com.

These servers manage the prod.hydra.sophos.com zone

ns-1043.awsdns-02.org
ns-1793.awsdns-32.co.uk
ns-494.awsdns-61.com
ns-684.awsdns-21.net

These servers claim authority over the prod.hydra.sophos.com zone, which contains _spf.prod.hydra.sophos.com