5 / 10
Lookups
0
Issues
482,861
IPv4 addresses
4.95 â‹… 10
27
IPv6 addresses
v=spf1 a mx include:spf.protection.outlook.com include:registrarmail.net a:smtp.office365.com
ip4:199.45.152.0/24 ip4:199.45.236.0/22 ip4:199.127.200.0/22 ip4:199.189.28.0/22 ip4:204.144.128.0/22
ip4:204.144.132.0/23 ip4:204.144.134.0/24 ip4:204.144.140.0/23 ip4:204.144.179.0/24 ip4:204.144.180.0/22
ip4:204.144.184.0/24 ip4:206.168.13.0/24 ip4:206.168.39.0/24 ip4:206.168.96.0/23 ip4:206.168.187.0/24
ip4:206.168.188.0/24 ip4:206.168.216.0/22 ip4:206.168.220.0/24 ip4:206.168.222.0/23 ip4:206.168.224.0/21
ip4:207.174.21.0/24 ip4:207.174.72.0/23 ip4:207.174.76.0/24 ip4:207.174.110.0/23 ip4:207.174.113.0/24
ip4:207.174.117.0/24 ip4:207.174.130.0/24 ip4:207.174.137.0/24 ip4:207.174.138.0/23 ip4:207.174.140.0/22
ip4:207.174.157.0/24 ip4:207.174.175.0/24 ip4:207.174.201.0/24 ip4:204.188.100.0/24 ip4:204.188.101.0/24
ip4:204.188.102.0/24 ip4:204.188.105.0/24 ip4:204.188.107.0/24 ip4:208.139.194.0/24 ip4:208.139.197.0/24
ip4:208.139.200.0/24 ip6:2602:FFC6::/36 -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
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:
registrarmail.net
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
pass
if the sender's IP address is in the A or AAAA record of this domain.
8 IPv4 addresses
8 IPv6 addresses
or else
ip4:
199.45.152.0 / 24
pass
if the sender's IP is between
199.45.152.0 and 199.45.152.255 (inclusive).
199.45.152.0 and 199.45.152.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
199.45.236.0 / 22
pass
if the sender's IP is between
199.45.236.0 and 199.45.239.255 (inclusive).
199.45.236.0 and 199.45.239.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
199.127.200.0 / 22
pass
if the sender's IP is between
199.127.200.0 and 199.127.203.255 (inclusive).
199.127.200.0 and 199.127.203.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
199.189.28.0 / 22
pass
if the sender's IP is between
199.189.28.0 and 199.189.31.255 (inclusive).
199.189.28.0 and 199.189.31.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.144.128.0 / 22
pass
if the sender's IP is between
204.144.128.0 and 204.144.131.255 (inclusive).
204.144.128.0 and 204.144.131.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.144.132.0 / 23
pass
if the sender's IP is between
204.144.132.0 and 204.144.133.255 (inclusive).
204.144.132.0 and 204.144.133.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.144.134.0 / 24
pass
if the sender's IP is between
204.144.134.0 and 204.144.134.255 (inclusive).
204.144.134.0 and 204.144.134.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.144.140.0 / 23
pass
if the sender's IP is between
204.144.140.0 and 204.144.141.255 (inclusive).
204.144.140.0 and 204.144.141.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.144.179.0 / 24
pass
if the sender's IP is between
204.144.179.0 and 204.144.179.255 (inclusive).
204.144.179.0 and 204.144.179.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.144.180.0 / 22
pass
if the sender's IP is between
204.144.180.0 and 204.144.183.255 (inclusive).
204.144.180.0 and 204.144.183.255 (inclusive).
XtreamInternet
AS399726
or else
ip4:
204.144.184.0 / 24
pass
if the sender's IP is between
204.144.184.0 and 204.144.184.255 (inclusive).
204.144.184.0 and 204.144.184.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.13.0 / 24
pass
if the sender's IP is between
206.168.13.0 and 206.168.13.255 (inclusive).
206.168.13.0 and 206.168.13.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.39.0 / 24
pass
if the sender's IP is between
206.168.39.0 and 206.168.39.255 (inclusive).
206.168.39.0 and 206.168.39.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.96.0 / 23
pass
if the sender's IP is between
206.168.96.0 and 206.168.97.255 (inclusive).
206.168.96.0 and 206.168.97.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.187.0 / 24
pass
if the sender's IP is between
206.168.187.0 and 206.168.187.255 (inclusive).
206.168.187.0 and 206.168.187.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.188.0 / 24
pass
if the sender's IP is between
206.168.188.0 and 206.168.188.255 (inclusive).
206.168.188.0 and 206.168.188.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.216.0 / 22
pass
if the sender's IP is between
206.168.216.0 and 206.168.219.255 (inclusive).
206.168.216.0 and 206.168.219.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.220.0 / 24
pass
if the sender's IP is between
206.168.220.0 and 206.168.220.255 (inclusive).
206.168.220.0 and 206.168.220.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.222.0 / 23
pass
if the sender's IP is between
206.168.222.0 and 206.168.223.255 (inclusive).
206.168.222.0 and 206.168.223.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
206.168.224.0 / 21
pass
if the sender's IP is between
206.168.224.0 and 206.168.231.255 (inclusive).
206.168.224.0 and 206.168.231.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.21.0 / 24
pass
if the sender's IP is between
207.174.21.0 and 207.174.21.255 (inclusive).
207.174.21.0 and 207.174.21.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.72.0 / 23
pass
if the sender's IP is between
207.174.72.0 and 207.174.73.255 (inclusive).
207.174.72.0 and 207.174.73.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.76.0 / 24
pass
if the sender's IP is between
207.174.76.0 and 207.174.76.255 (inclusive).
207.174.76.0 and 207.174.76.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.110.0 / 23
pass
if the sender's IP is between
207.174.110.0 and 207.174.111.255 (inclusive).
207.174.110.0 and 207.174.111.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.113.0 / 24
pass
if the sender's IP is between
207.174.113.0 and 207.174.113.255 (inclusive).
207.174.113.0 and 207.174.113.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.117.0 / 24
pass
if the sender's IP is between
207.174.117.0 and 207.174.117.255 (inclusive).
207.174.117.0 and 207.174.117.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.130.0 / 24
pass
if the sender's IP is between
207.174.130.0 and 207.174.130.255 (inclusive).
207.174.130.0 and 207.174.130.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.137.0 / 24
pass
if the sender's IP is between
207.174.137.0 and 207.174.137.255 (inclusive).
207.174.137.0 and 207.174.137.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.138.0 / 23
pass
if the sender's IP is between
207.174.138.0 and 207.174.139.255 (inclusive).
207.174.138.0 and 207.174.139.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.140.0 / 22
pass
if the sender's IP is between
207.174.140.0 and 207.174.143.255 (inclusive).
207.174.140.0 and 207.174.143.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.157.0 / 24
pass
if the sender's IP is between
207.174.157.0 and 207.174.157.255 (inclusive).
207.174.157.0 and 207.174.157.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.175.0 / 24
pass
if the sender's IP is between
207.174.175.0 and 207.174.175.255 (inclusive).
207.174.175.0 and 207.174.175.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
207.174.201.0 / 24
pass
if the sender's IP is between
207.174.201.0 and 207.174.201.255 (inclusive).
207.174.201.0 and 207.174.201.255 (inclusive).
Massive Networks
AS21777
or else
ip4:
204.188.100.0 / 24
pass
if the sender's IP is between
204.188.100.0 and 204.188.100.255 (inclusive).
204.188.100.0 and 204.188.100.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
204.188.101.0 / 24
pass
if the sender's IP is between
204.188.101.0 and 204.188.101.255 (inclusive).
204.188.101.0 and 204.188.101.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
204.188.102.0 / 24
pass
if the sender's IP is between
204.188.102.0 and 204.188.102.255 (inclusive).
204.188.102.0 and 204.188.102.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
204.188.105.0 / 24
pass
if the sender's IP is between
204.188.105.0 and 204.188.105.255 (inclusive).
204.188.105.0 and 204.188.105.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
204.188.107.0 / 24
pass
if the sender's IP is between
204.188.107.0 and 204.188.107.255 (inclusive).
204.188.107.0 and 204.188.107.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
208.139.194.0 / 24
pass
if the sender's IP is between
208.139.194.0 and 208.139.194.255 (inclusive).
208.139.194.0 and 208.139.194.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
208.139.197.0 / 24
pass
if the sender's IP is between
208.139.197.0 and 208.139.197.255 (inclusive).
208.139.197.0 and 208.139.197.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip4:
208.139.200.0 / 24
pass
if the sender's IP is between
208.139.200.0 and 208.139.200.255 (inclusive).
208.139.200.0 and 208.139.200.255 (inclusive).
CenturyLink Communications
AS3561
or else
ip6:
2602:ffc6:: / 36
pass
if the sender's IP is between
2602:ffc6:: and 2602:ffc6:fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2602:ffc6:: and 2602:ffc6:fff:ffff:ffff:ffff:ffff:ffff (inclusive).
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx include:spf.protection.outlook.com include:registrarmail.net a:smtp.office365.com ip4:199.45.152.0/24 ip4:199.45.236.0/22 ip4:199.127.200.0/22 ip4:199.189.28.0/22 ip4:204.144.128.0/22 ip4:204.144.132.0/23 ip4:204.144.134.0/24 ip4:204.144.140.0/23 ip4:204.144.179.0/24 ip4:204.144.180.0/22 ip4:204.144.184.0/24 ip4:206.168.13.0/24 ip4:206.168.39.0/24 ip4:206.168.96.0/23 ip4:206.168.187.0/24 ip4:206.168.188.0/24 ip4:206.168.216.0/22 ip4:206.168.220.0/24 ip4:206.168.222.0/23 ip4:206.168.224.0/21 ip4:207.174.21.0/24 ip4:207.174.72.0/23 ip4:207.174.76.0/24 ip4:207.174.110.0/23 ip4:207.174.113.0/24 ip4:207.174.117.0/24 ip4:207.174.130.0/24 ip4:207.174.137.0/24 ip4:207.174.138.0/23 ip4:207.174.140.0/22 ip4:207.174.157.0/24 ip4:207.174.175.0/24 ip4:207.174.201.0/24 ip4:204.188.100.0/24 ip4:204.188.101.0/24 ip4:204.188.102.0/24 ip4:204.188.105.0/24 ip4:204.188.107.0/24 ip4:208.139.194.0/24 ip4:208.139.197.0/24 ip4:208.139.200.0/24 ip6:2602:ffc6::/36 -all
6 x ip4 5 x ip6 -all
4 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
204.188.100.0
/ 24
CenturyLink Communications
AS3561
204.188.100.0 - 204.188.100.255
256 IP addresses
204.188.101.0
/ 24
CenturyLink Communications
AS3561
204.188.101.0 - 204.188.101.255
256 IP addresses
204.188.102.0
/ 24
CenturyLink Communications
AS3561
204.188.102.0 - 204.188.102.255
256 IP addresses
204.188.105.0
/ 24
CenturyLink Communications
AS3561
204.188.105.0 - 204.188.105.255
256 IP addresses
204.188.107.0
/ 24
CenturyLink Communications
AS3561
204.188.107.0 - 204.188.107.255
256 IP addresses
208.139.194.0
/ 24
CenturyLink Communications
AS3561
208.139.194.0 - 208.139.194.255
256 IP addresses
208.139.197.0
/ 24
CenturyLink Communications
AS3561
208.139.197.0 - 208.139.197.255
256 IP addresses
208.139.200.0
/ 24
CenturyLink Communications
AS3561
208.139.200.0 - 208.139.200.255
256 IP addresses