2 / 10
Lookups
1
Issue
33
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
Terms
ip4:
177.39.80.0 / 27
pass
if the sender's IP is between
177.39.80.0 and 177.39.80.31 (inclusive).
177.39.80.0 and 177.39.80.31 (inclusive).
Anderson Gustavo Neves Gomes - ME
AS262422
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
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 ip4:177.39.80.0/27 mx ptr -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
IP ranges
177.39.80.0
/ 27
Anderson Gustavo Neves Gomes - ME
AS262422
177.39.80.0 - 177.39.80.31
32 IP addresses