2 / 10
Lookups
0
Issues
105,489
IPv4 addresses
2.97 â‹… 10
28
IPv6 addresses
v=spf1 a:cartstack.com mx:cartstack.com ip4:54.173.229.38 ip4:52.0.20.102 ip4:54.174.116.32 ip4:52.2.238.96 ip4:52.20.146.34 ip4:34.198.122.65 ip4:167.89.19.147 ip4:167.89.80.59 ip4:173.236.20.0/24 ip4:192.92.97.0/24 ip4:52.128.40.0/21 ip4:217.8.118.0/24
ip4:103.229.233.0/24 ip4:74.125.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/20 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 ~all
Copied
Terms
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
or else
mx:
cartstack.com
pass
if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
5 IPv6 addresses
or else
ip4:
54.173.229.38 / 32
pass
if the sender's IP is between
54.173.229.38 and 54.173.229.38 (inclusive).
54.173.229.38 and 54.173.229.38 (inclusive).
Amazon.com
AS14618
or else
ip4:
52.0.20.102 / 32
pass
if the sender's IP is between
52.0.20.102 and 52.0.20.102 (inclusive).
52.0.20.102 and 52.0.20.102 (inclusive).
Amazon.com
AS14618
or else
ip4:
54.174.116.32 / 32
pass
if the sender's IP is between
54.174.116.32 and 54.174.116.32 (inclusive).
54.174.116.32 and 54.174.116.32 (inclusive).
Amazon.com
AS14618
or else
ip4:
52.2.238.96 / 32
pass
if the sender's IP is between
52.2.238.96 and 52.2.238.96 (inclusive).
52.2.238.96 and 52.2.238.96 (inclusive).
Amazon.com
AS14618
or else
ip4:
52.20.146.34 / 32
pass
if the sender's IP is between
52.20.146.34 and 52.20.146.34 (inclusive).
52.20.146.34 and 52.20.146.34 (inclusive).
Amazon.com
AS14618
or else
ip4:
34.198.122.65 / 32
pass
if the sender's IP is between
34.198.122.65 and 34.198.122.65 (inclusive).
34.198.122.65 and 34.198.122.65 (inclusive).
Amazon.com
AS14618
or else
ip4:
167.89.19.147 / 32
pass
if the sender's IP is between
167.89.19.147 and 167.89.19.147 (inclusive).
167.89.19.147 and 167.89.19.147 (inclusive).
SendGrid
AS11377
or else
ip4:
167.89.80.59 / 32
pass
if the sender's IP is between
167.89.80.59 and 167.89.80.59 (inclusive).
167.89.80.59 and 167.89.80.59 (inclusive).
SendGrid
AS11377
or else
ip4:
173.236.20.0 / 24
pass
if the sender's IP is between
173.236.20.0 and 173.236.20.255 (inclusive).
173.236.20.0 and 173.236.20.255 (inclusive).
Internap Holding
AS32475
or else
ip4:
192.92.97.0 / 24
pass
if the sender's IP is between
192.92.97.0 and 192.92.97.255 (inclusive).
192.92.97.0 and 192.92.97.255 (inclusive).
Amazon.com
AS14618
or else
ip4:
52.128.40.0 / 21
pass
if the sender's IP is between
52.128.40.0 and 52.128.47.255 (inclusive).
52.128.40.0 and 52.128.47.255 (inclusive).
Amazon.com
AS14618
or else
ip4:
217.8.118.0 / 24
pass
if the sender's IP is between
217.8.118.0 and 217.8.118.255 (inclusive).
217.8.118.0 and 217.8.118.255 (inclusive).
Amazon.com
AS16509
or else
ip4:
103.229.233.0 / 24
pass
if the sender's IP is between
103.229.233.0 and 103.229.233.255 (inclusive).
103.229.233.0 and 103.229.233.255 (inclusive).
Amazon.com
AS16509
or else
ip4:
74.125.0.0 / 16
pass
if the sender's IP is between
74.125.0.0 and 74.125.255.255 (inclusive).
74.125.0.0 and 74.125.255.255 (inclusive).
Google
AS15169
or else
ip4:
209.85.128.0 / 17
pass
if the sender's IP is between
209.85.128.0 and 209.85.255.255 (inclusive).
209.85.128.0 and 209.85.255.255 (inclusive).
Google
AS15169
or else
ip4:
216.58.192.0 / 20
pass
if the sender's IP is between
216.58.192.0 and 216.58.207.255 (inclusive).
216.58.192.0 and 216.58.207.255 (inclusive).
Google
AS15169
or else
ip6:
2001:4860:4000:: / 36
pass
if the sender's IP is between
2001:4860:4000:: and 2001:4860:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2001:4860:4000:: and 2001:4860:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
Google
AS15169
or else
ip6:
2404:6800:4000:: / 36
pass
if the sender's IP is between
2404:6800:4000:: and 2404:6800:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2404:6800:4000:: and 2404:6800:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
Google
AS15169
or else
ip6:
2607:f8b0:4000:: / 36
pass
if the sender's IP is between
2607:f8b0:4000:: and 2607:f8b0:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2607:f8b0:4000:: and 2607:f8b0:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
Google
AS15169
or else
ip6:
2800:3f0:4000:: / 36
pass
if the sender's IP is between
2800:3f0:4000:: and 2800:3f0:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2800:3f0:4000:: and 2800:3f0:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
Google
AS15169
or else
ip6:
2a00:1450:4000:: / 36
pass
if the sender's IP is between
2a00:1450:4000:: and 2a00:1450:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2a00:1450:4000:: and 2a00:1450:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
Google
AS15169
or else
ip6:
2c0f:fb50:4000:: / 36
pass
if the sender's IP is between
2c0f:fb50:4000:: and 2c0f:fb50:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
2c0f:fb50:4000:: and 2c0f:fb50:4fff:ffff:ffff:ffff:ffff:ffff (inclusive).
Google
AS15169
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 a:cartstack.com mx:cartstack.com ip4:54.173.229.38 ip4:52.0.20.102 ip4:54.174.116.32 ip4:52.2.238.96 ip4:52.20.146.34 ip4:34.198.122.65 ip4:167.89.19.147 ip4:167.89.80.59 ip4:173.236.20.0/24 ip4:192.92.97.0/24 ip4:52.128.40.0/21 ip4:217.8.118.0/24 ip4:103.229.233.0/24 ip4:74.125.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/20 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 ~all