2 / 10
Lookups
0
Issues
130
IPv4 addresses
1.84 ⋅ 10
19
IPv6 addresses
Terms
ip4:
81.26.0.0 / 25
pass
if the sender's IP is between
81.26.0.0 and 81.26.0.127 (inclusive).
81.26.0.0 and 81.26.0.127 (inclusive).
Kielce University of Technology
AS24848
or else
ip6:
2a00:cd80:10:: / 64
pass
if the sender's IP is between
2a00:cd80:10:: and 2a00:cd80:10:0:ffff:ffff:ffff:ffff (inclusive).
2a00:cd80:10:: and 2a00:cd80:10:0:ffff:ffff:ffff:ffff (inclusive).
Kielce University of Technology
AS24848
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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:81.26.0.0/25 ip6:2a00:cd80:10::/64 a mx -all
IP ranges
2a00:cd80:10::
/ 64
Kielce University of Technology
AS24848
2a00:cd80:10::
2a00:cd80:10:0:ffff:ffff:ffff:ffff