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Lookups
1
Issue
298
IPv4 addresses
1.21 ⋅ 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 ptr ip4:91.190.136.0/24 ip4:194.48.213.0/27 ip4:91.190.139.40/29 ip6:2a02:2490::/48 -all
Copied
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
mx
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
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
91.190.136.0 / 24
pass
if the sender's IP is between
91.190.136.0 and 91.190.136.255 (inclusive).
91.190.136.0 and 91.190.136.255 (inclusive).
GlobalConnect AB
AS51815
or else
ip4:
194.48.213.0 / 27
pass
if the sender's IP is between
194.48.213.0 and 194.48.213.31 (inclusive).
194.48.213.0 and 194.48.213.31 (inclusive).
OCTN Networks AB
AS60184
or else
ip4:
91.190.139.40 / 29
pass
if the sender's IP is between
91.190.139.40 and 91.190.139.47 (inclusive).
91.190.139.40 and 91.190.139.47 (inclusive).
GlobalConnect AB
AS51815
or else
ip6:
2a02:2490:: / 48
pass
if the sender's IP is between
2a02:2490:: and 2a02:2490:0:ffff:ffff:ffff:ffff:ffff (inclusive).
2a02:2490:: and 2a02:2490:0:ffff:ffff:ffff:ffff:ffff (inclusive).
GlobalConnect AB
AS51815
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx ptr ip4:91.190.136.0/24 ip4:194.48.213.0/27 ip4:91.190.139.40/29 ip6:2a02:2490::/48 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable