1 / 10
Lookups
0
Issues
257
IPv4 addresses
1.21 ⋅ 10
24
IPv6 addresses
Terms
ip4:
192.159.10.0 / 24
pass
if the sender's IP is between
192.159.10.0 and 192.159.10.255 (inclusive).
192.159.10.0 and 192.159.10.255 (inclusive).
Contra Costa County Regional Occupation Program / Richmond
AS1734
or else
ip6:
2620:0:930:: / 48
pass
if the sender's IP is between
2620:0:930:: and 2620:0:930:ffff:ffff:ffff:ffff:ffff (inclusive).
2620:0:930:: and 2620:0:930:ffff:ffff:ffff:ffff:ffff (inclusive).
Contra Costa County Regional Occupation Program / Richmond
AS1734
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:192.159.10.0/24 ip6:2620:0:930::/48 mx -all
IP ranges
192.159.10.0
/ 24
Contra Costa County Regional Occupation Program / Richmond
AS1734
192.159.10.0 - 192.159.10.255
256 IP addresses
2620:0:930::
/ 48
Contra Costa County Regional Occupation Program / Richmond
AS1734
2620:0:930::
2620:0:930:ffff:ffff:ffff:ffff:ffff