1 / 10
Lookups
0
Issues
1
IPv4 address
1
IPv6 address
v=spf1 ip4:152.66.121.21 ip6:2001:738:2001:20f1::21 mx -all
Copied
Terms
ip4:
152.66.121.21 / 32
pass
if the sender's IP is between
152.66.121.21 and 152.66.121.21 (inclusive).
152.66.121.21 and 152.66.121.21 (inclusive).
Budapest University of Technology and Economics
AS2547
or else
ip6:
2001:738:2001:20f1::21 / 128
pass
if the sender's IP is between
2001:738:2001:20f1::21 and 2001:738:2001:20f1::21 (inclusive).
2001:738:2001:20f1::21 and 2001:738:2001:20f1::21 (inclusive).
KIFU (Governmental Info Tech Development Agency)
AS1955
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:152.66.121.21 ip6:2001:738:2001:20f1::21 mx -all