spf-b.mail.163.com SPF record

0 / 10 Lookups
0 Issues
1,379 IPv4 addresses
0 IPv6 addresses
v=spf1 ip4:121.195.179.51 ip4:121.195.179.53 ip4:223.252.213.0/24 ip4:103.74.27.240 ip4:59.111.176.0/24 ip4:60.191.81.0/24 ip4:45.254.50.192/26 ip4:220.194.24.0/24 ip4:45.254.49.128/27 ip4:123.58.189.0/24 -all Copied

Terms

ip4:
121.195.179.51 / 32
pass if the sender's IP is between
121.195.179.51 and 121.195.179.51 (inclusive).
China Education and Research Network Center
AS4538
or else
ip4:
121.195.179.53 / 32
pass if the sender's IP is between
121.195.179.53 and 121.195.179.53 (inclusive).
China Education and Research Network Center
AS4538
or else
ip4:
223.252.213.0 / 24
pass if the sender's IP is between
223.252.213.0 and 223.252.213.255 (inclusive).
or else
ip4:
103.74.27.240 / 32
pass if the sender's IP is between
103.74.27.240 and 103.74.27.240 (inclusive).
IDC, China Telecommunications
AS23724
or else
ip4:
59.111.176.0 / 24
pass if the sender's IP is between
59.111.176.0 and 59.111.176.255 (inclusive).
Netease-Network
AS45062
or else
ip4:
60.191.81.0 / 24
pass if the sender's IP is between
60.191.81.0 and 60.191.81.255 (inclusive).
CT-HangZhou-IDC
AS58461
or else
ip4:
45.254.50.192 / 26
pass if the sender's IP is between
45.254.50.192 and 45.254.50.255 (inclusive).
CHINA UNICOM China169 Backbone
AS4837
or else
ip4:
220.194.24.0 / 24
pass if the sender's IP is between
220.194.24.0 and 220.194.24.255 (inclusive).
China Unicom Beijing Province Network
AS4808
or else
ip4:
45.254.49.128 / 27
pass if the sender's IP is between
45.254.49.128 and 45.254.49.159 (inclusive).
CHINA UNICOM China169 Backbone
AS4837
or else
ip4:
123.58.189.0 / 24
pass if the sender's IP is between
123.58.189.0 and 123.58.189.255 (inclusive).
Netease-Network
AS45062
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:121.195.179.51 ip4:121.195.179.53 ip4:223.252.213.0/24 ip4:103.74.27.240 ip4:59.111.176.0/24 ip4:60.191.81.0/24 ip4:45.254.50.192/26 ip4:220.194.24.0/24 ip4:45.254.49.128/27 ip4:123.58.189.0/24 -all

IP ranges

121.195.179.51
China Education and Research Network Center
AS4538
121.195.179.53
China Education and Research Network Center
AS4538
223.252.213.0 / 24
103.74.27.240
IDC, China Telecommunications
AS23724
59.111.176.0 / 24
Netease-Network
AS45062
60.191.81.0 / 24
CT-HangZhou-IDC
AS58461
45.254.50.192 / 26
CHINA UNICOM China169 Backbone
AS4837
220.194.24.0 / 24
China Unicom Beijing Province Network
AS4808
45.254.49.128 / 27
CHINA UNICOM China169 Backbone
AS4837
123.58.189.0 / 24
Netease-Network
AS45062