10 / 10
Lookups
0
Issues
618,701
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 a mx mx:smartcity.com ip4:216.55.99.128/25 ip4:66.90.51.65 include:_spf.ultipro.com include:spf.protection.outlook.com include:spf.smtp-proxy.smartcitytelecom.com include:spf.constantcontact.com include:amazonses.com include:docebosaas.com
include:_spf.psm.knowbe4.com -all
Copied
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 addresses
or else
mx:
smartcity.com
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 addresses
or else
ip4:
216.55.99.128 / 25
pass
if the sender's IP is between
216.55.99.128 and 216.55.99.255 (inclusive).
216.55.99.128 and 216.55.99.255 (inclusive).
PureVoltage Hosting
AS26548
or else
ip4:
66.90.51.65 / 32
pass
if the sender's IP is between
66.90.51.65 and 66.90.51.65 (inclusive).
66.90.51.65 and 66.90.51.65 (inclusive).
MPInet
AS11749
or else
include:
_spf.ultipro.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.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
include:
spf.smtp-proxy.smartcitytelecom.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.constantcontact.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Constant Contact
Email marketing
or else
include:
amazonses.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Amazon SES
Email automation
or else
include:
docebosaas.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.psm.knowbe4.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
KnowBe4
Security training
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx mx:smartcity.com ip4:216.55.99.128/25 ip4:66.90.51.65 include:_spf.ultipro.com include:spf.protection.outlook.com include:spf.smtp-proxy.smartcitytelecom.com include:spf.constantcontact.com include:amazonses.com include:docebosaas.com include:_spf.psm.knowbe4.com -all
4 x ip4 -all
6 x ip4 5 x ip6 -all
1 x ip4 -all
2 x ip4 ~all
13 x ip4 -all
41 x ip4 ~all
6 x ip4 -all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff
