3 / 10
Lookups
0
Issues
10,421
IPv4 addresses
6.34 ⋅ 10
29
IPv6 addresses
v=spf1 include:spf.smtp2go.com include:spf.improvmx.com include:spf.stackmail.com -all
Copied
Terms
include:
spf.smtp2go.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
spf.improvmx.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
spf.stackmail.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.smtp2go.com include:spf.improvmx.com include:spf.stackmail.com -all
10 x ip4 ~all
8 x ip4 4 x ip6 -all
4 x ip4 1 x ip6 -all
IP ranges
66.235.120.0
/ 21
Wholesale Services Provider
AS45671
66.235.120.0 - 66.235.127.255
2,048 IP addresses