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Lookups
1
Issue
3
IPv4 addresses
3
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ip4:185.252.96.5 ip6:2a0b:e680:185:252:96::5 mx ptr a:host.unitelmedia.pl ~all
Copied
Terms
ip4:
185.252.96.5 / 32
pass
if the sender's IP is between
185.252.96.5 and 185.252.96.5 (inclusive).
185.252.96.5 and 185.252.96.5 (inclusive).
UNITEL-MEDIA Sp. z o.o.
AS49601
or else
ip6:
2a0b:e680:185:252:96::5 / 128
pass
if the sender's IP is between
2a0b:e680:185:252:96::5 and 2a0b:e680:185:252:96::5 (inclusive).
2a0b:e680:185:252:96::5 and 2a0b:e680:185:252:96::5 (inclusive).
UNITEL-MEDIA Sp. z o.o.
AS49601
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:
.
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
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
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:185.252.96.5 ip6:2a0b:e680:185:252:96::5 mx ptr a:host.unitelmedia.pl ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable