0 / 10
Lookups
0
Issues
1,798
IPv4 addresses
0
IPv6 addresses
Terms
ip4:
220.181.12.0 / 22
pass
if the sender's IP is between
220.181.12.0 and 220.181.15.255 (inclusive).
220.181.12.0 and 220.181.15.255 (inclusive).
IDC, China Telecommunications
AS23724
or else
ip4:
220.181.31.0 / 24
pass
if the sender's IP is between
220.181.31.0 and 220.181.31.255 (inclusive).
220.181.31.0 and 220.181.31.255 (inclusive).
IDC, China Telecommunications
AS23724
or else
ip4:
123.125.50.0 / 24
pass
if the sender's IP is between
123.125.50.0 and 123.125.50.255 (inclusive).
123.125.50.0 and 123.125.50.255 (inclusive).
China Unicom Beijing Province Network
AS4808
or else
ip4:
220.181.72.0 / 24
pass
if the sender's IP is between
220.181.72.0 and 220.181.72.255 (inclusive).
220.181.72.0 and 220.181.72.255 (inclusive).
IDC, China Telecommunications
AS23724
or else
ip4:
35.187.193.54 / 32
pass
if the sender's IP is between
35.187.193.54 and 35.187.193.54 (inclusive).
35.187.193.54 and 35.187.193.54 (inclusive).
Google
AS396982
or else
ip4:
106.2.67.69 / 32
pass
if the sender's IP is between
106.2.67.69 and 106.2.67.69 (inclusive).
106.2.67.69 and 106.2.67.69 (inclusive).
Netease-Network
AS45062
or else
ip4:
42.186.20.78 / 32
pass
if the sender's IP is between
42.186.20.78 and 42.186.20.78 (inclusive).
42.186.20.78 and 42.186.20.78 (inclusive).
Netease-Network
AS45062
or else
ip4:
123.58.175.130 / 32
pass
if the sender's IP is between
123.58.175.130 and 123.58.175.130 (inclusive).
123.58.175.130 and 123.58.175.130 (inclusive).
Netease-Network
AS45062
or else
ip4:
183.61.113.11 / 32
pass
if the sender's IP is between
183.61.113.11 and 183.61.113.11 (inclusive).
183.61.113.11 and 183.61.113.11 (inclusive).
CHINANET-BACKBONE
AS4134
or else
ip4:
1.95.25.210 / 32
pass
if the sender's IP is between
1.95.25.210 and 1.95.25.210 (inclusive).
1.95.25.210 and 1.95.25.210 (inclusive).
Huawei Cloud Service data center
AS55990
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:220.181.12.0/22 ip4:220.181.31.0/24 ip4:123.125.50.0/24 ip4:220.181.72.0/24 ip4:35.187.193.54 ip4:106.2.67.69 ip4:42.186.20.78 ip4:123.58.175.130 ip4:183.61.113.11 ip4:1.95.25.210 -all
IP ranges
220.181.12.0
/ 22
IDC, China Telecommunications
AS23724
220.181.12.0 - 220.181.15.255
1,024 IP addresses
220.181.31.0
/ 24
IDC, China Telecommunications
AS23724
220.181.31.0 - 220.181.31.255
256 IP addresses
123.125.50.0
/ 24
China Unicom Beijing Province Network
AS4808
123.125.50.0 - 123.125.50.255
256 IP addresses
220.181.72.0
/ 24
IDC, China Telecommunications
AS23724
220.181.72.0 - 220.181.72.255
256 IP addresses