spf-a.authsmtp.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

authsmtp.com.

These servers manage the authsmtp.com zone

ns0.dmpriest.net.uk
ns1.auth-dns.com
AS1921
ns1.dmpriest.net.uk
ns2.auth-dns.com
AS207021
ns2.dmpriest.net.uk
ns3.dmpriest.net.uk

These servers claim authority over the authsmtp.com zone, which contains spf-a.authsmtp.com