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Lookups
1
Issue
288
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
Terms
ip4:
195.177.72.0 / 27
pass
if the sender's IP is between
195.177.72.0 and 195.177.72.31 (inclusive).
195.177.72.0 and 195.177.72.31 (inclusive).
WNET TELECOM USA
AS1820
or else
ip4:
195.177.73.0 / 24
pass
if the sender's IP is between
195.177.73.0 and 195.177.73.255 (inclusive).
195.177.73.0 and 195.177.73.255 (inclusive).
WNET TELECOM USA
AS1820
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 ip4:195.177.72.0/27 ip4:195.177.73.0/24 ptr -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable