c1f3.porcupine-mail.com SPF record

2 / 10 Lookups
1 Issue
16 IPv4 addresses
0 IPv6 addresses

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

v=spf1 include:_c1_netblocks.porcupine-mail.com ptr -all Copied

Terms

include:
_c1_netblocks.porcupine-mail.com
Evaluate this SPF record and pass if it
passes.
or else
ptr:
.
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 include:_c1_netblocks.porcupine-mail.com ptr -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable

IP ranges

186.193.33.64 / 28
G R Servicos de Comunicacao Multimidia Ltda. ME
AS262708