2 / 10
Lookups
0
Issues
258
IPv4 addresses
0
IPv6 addresses
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
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
ip4:
203.145.219.0 / 24
pass
if the sender's IP is between
203.145.219.0 and 203.145.219.255 (inclusive).
203.145.219.0 and 203.145.219.255 (inclusive).
National Center for High-performance Computing
AS7539
or else
ip4:
140.110.144.120 / 32
pass
if the sender's IP is between
140.110.144.120 and 140.110.144.120 (inclusive).
140.110.144.120 and 140.110.144.120 (inclusive).
National Center for High-performance Computing
AS7539
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx ip4:203.145.219.0/24 ip4:140.110.144.120 -all
IP ranges
203.145.219.0
/ 24
National Center for High-performance Computing
AS7539
203.145.219.0 - 203.145.219.255
256 IP addresses