spf-a.mail.163.com SPF record

0 / 10 Lookups
0 Issues
3,472 IPv4 addresses
0 IPv6 addresses
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 ip4:123.58.177.0/24 ip4:123.58.178.0/24 ip4:123.126.96.0/24 ip4:123.126.97.0/24 ip4:103.129.252.0/25 ip4:60.191.83.0/24 ip4:103.136.33.32/28 ip4:154.18.236.0/24 -all Copied

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).
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).
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).
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).
IDC, China Telecommunications
AS23724
or else
ip4:
123.58.177.0 / 24
pass if the sender's IP is between
123.58.177.0 and 123.58.177.255 (inclusive).
or else
ip4:
123.58.178.0 / 24
pass if the sender's IP is between
123.58.178.0 and 123.58.178.255 (inclusive).
or else
ip4:
123.126.96.0 / 24
pass if the sender's IP is between
123.126.96.0 and 123.126.96.255 (inclusive).
China Unicom Beijing Province Network
AS4808
or else
ip4:
123.126.97.0 / 24
pass if the sender's IP is between
123.126.97.0 and 123.126.97.255 (inclusive).
China Unicom Beijing Province Network
AS4808
or else
ip4:
103.129.252.0 / 25
pass if the sender's IP is between
103.129.252.0 and 103.129.252.127 (inclusive).
NETEASE HONG KONG
AS137263
or else
ip4:
60.191.83.0 / 24
pass if the sender's IP is between
60.191.83.0 and 60.191.83.255 (inclusive).
CT-HangZhou-IDC
AS58461
or else
ip4:
103.136.33.32 / 28
pass if the sender's IP is between
103.136.33.32 and 103.136.33.47 (inclusive).
BGPNET PTE.
AS152475
or else
ip4:
154.18.236.0 / 24
pass if the sender's IP is between
154.18.236.0 and 154.18.236.255 (inclusive).
NETEASE HONG KONG
AS137263
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 ip4:123.58.177.0/24 ip4:123.58.178.0/24 ip4:123.126.96.0/24 ip4:123.126.97.0/24 ip4:103.129.252.0/25 ip4:60.191.83.0/24 ip4:103.136.33.32/28 ip4:154.18.236.0/24 -all

IP ranges

220.181.12.0 / 22
IDC, China Telecommunications
AS23724
220.181.31.0 / 24
IDC, China Telecommunications
AS23724
123.125.50.0 / 24
China Unicom Beijing Province Network
AS4808
220.181.72.0 / 24
IDC, China Telecommunications
AS23724
123.58.177.0 / 24
123.58.178.0 / 24
123.126.96.0 / 24
China Unicom Beijing Province Network
AS4808
123.126.97.0 / 24
China Unicom Beijing Province Network
AS4808
103.129.252.0 / 25
NETEASE HONG KONG
AS137263
60.191.83.0 / 24
CT-HangZhou-IDC
AS58461
103.136.33.32 / 28
BGPNET PTE.
AS152475
154.18.236.0 / 24
NETEASE HONG KONG
AS137263