7 / 10
Lookups
1
Issue
86,151
IPv4 addresses
1.58 ⋅ 10
29
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx ptr a ip4:184.94.176.209/32 ip4:163.182.253.87/32 ip6:2607:2900::/32 include:hay.net -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
2 IPv6 addresses
or else
ptr:
.
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
a
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
ip4:
184.94.176.209 / 32
pass
if the sender's IP is between
184.94.176.209 and 184.94.176.209 (inclusive).
184.94.176.209 and 184.94.176.209 (inclusive).
Quadro Communications Co-Operative
AS25914
or else
ip4:
163.182.253.87 / 32
pass
if the sender's IP is between
163.182.253.87 and 163.182.253.87 (inclusive).
163.182.253.87 and 163.182.253.87 (inclusive).
Hay Communications Co-operative
AS395261
or else
ip6:
2607:2900:: / 32
pass
if the sender's IP is between
2607:2900:: and 2607:2900:ffff:ffff:ffff:ffff:ffff:ffff (inclusive).
2607:2900:: and 2607:2900:ffff:ffff:ffff:ffff:ffff:ffff (inclusive).
Quadro Communications Co-Operative
AS25914
or else
include:
hay.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx ptr a ip4:184.94.176.209 ip4:163.182.253.87 ip6:2607:2900::/32 include:hay.net -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
IP ranges
2607:2900::
/ 32
Quadro Communications Co-Operative
AS25914
2607:2900::
2607:2900:ffff:ffff:ffff:ffff:ffff:ffff
23.155.128.192
/ 26
Hay Communications Co-operative
AS395261
23.155.128.192 - 23.155.128.255
64 IP addresses
163.182.253.64
/ 26
Hay Communications Co-operative
AS395261
163.182.253.64 - 163.182.253.127
64 IP addresses
2607:4980::
/ 32
Hay Communications Co-operative
AS395261
2607:4980::
2607:4980:ffff:ffff:ffff:ffff:ffff:ffff