fxo.com.br SPF record

8 / 10 Lookups
1 Issue
476,623 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses

The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.

v=spf1 a mx include:spf.protection.outlook.com include:_netblocks.fxo.com.br include:_relay.fxo.com.br include:spf.dynect.net ptr:fxo.com.br ptr:fxo.us -all Copied

Terms

a
pass if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
mx
pass if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
include:
_netblocks.fxo.com.br
Evaluate this SPF record and pass if it
passes.
or else
include:
_relay.fxo.com.br
Evaluate this SPF record and pass if it
passes.
or else
include:
spf.dynect.net
Evaluate this SPF record and pass if it
passes.
or else
ptr:
fxo.com.br
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
ptr:
fxo.us
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
-all
fail the email's SPF check.

Included records

v=spf1 a mx include:spf.protection.outlook.com include:_netblocks.fxo.com.br include:_relay.fxo.com.br include:spf.dynect.net ptr:fxo.com.br ptr:fxo.us -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
6 x ip4 5 x ip6 -all
6 x ip4
3 x ip4
31 x ip4 -all

IP ranges

141.193.213.20
Cloudflare London
AS209242
141.193.213.21
Cloudflare London
AS209242
186.193.233.70
CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA
AS262731
207.38.88.35
velia.net
AS30083
40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075
54.207.0.232
Amazon.com
AS16509
177.190.199.251
CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA
AS262731
177.190.199.253
CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA
AS262731
199.189.84.84
velia.net
AS30083
54.207.84.155
Amazon.com
AS16509
207.38.89.77
velia.net
AS30083
186.202.136.5
Locaweb Serviços de Internet S/A
AS27715
54.207.0.232
Amazon.com
AS16509
54.207.84.155
Amazon.com
AS16509
208.76.56.0 / 21
216.146.32.0 / 20
Oracle
AS31898
80.231.25.0 / 24
TATA COMMUNICATIONS (AMERICA)
AS6453
80.231.219.0 / 24
TATA COMMUNICATIONS (AMERICA)
AS6453
103.11.200.0 / 22
199.19.0.0 / 21
204.13.248.0 / 22
208.78.68.0 / 22
Oracle
AS31898
162.88.36.0 / 23
Oracle
AS31898
162.88.4.0 / 23
Oracle
AS31898
162.88.24.0 / 24
Oracle
AS31898
162.88.28.0 / 24
10.144.155.128 / 26
Reserved IP
Private-Use [1]
129.148.164.0 / 25
Oracle
AS31898
129.148.215.0 / 25
Oracle
AS31898
129.149.6.0 / 25
Oracle
AS31898
129.149.38.0 / 25
Oracle
AS31898
138.1.170.0 / 24
Oracle
AS31898
147.154.32.0 / 25
Oracle
AS31898
147.154.63.0 / 24
Oracle
AS31898
147.154.126.0 / 24
Oracle
AS31898
147.154.191.0 / 24
Oracle
AS31898
162.88.24.0 / 21
Oracle
AS31898
192.29.72.0 / 25
Oracle
AS31898
192.29.88.0 / 25
Oracle
AS31898
192.29.103.128 / 25
Oracle
AS31898
192.29.134.0 / 25
Oracle
AS31898
155.248.148.0 / 25
Oracle
AS31898
131.186.12.0 / 25
Oracle
AS31898
138.1.156.112
Oracle
AS31898
130.35.132.195
Oracle
AS31898