spf2.ctstelecom.com SPF record

2 / 10 Lookups
0 Issues
9 IPv4 addresses
1 IPv6 address
v=spf1 ip4:64.20.207.166 a:mx1.dnn4less.com a:eg02.mxguardian.net ip4:64.20.207.2 ip4:64.20.207.5 ip4:64.20.207.3 -all Copied

Terms

ip4:
64.20.207.166 / 32
pass if the sender's IP is between
64.20.207.166 and 64.20.207.166 (inclusive).
CTS Communications Corp
AS19653
or else
a:
mx1.dnn4less.com
pass if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
or else
a:
eg02.mxguardian.net
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
ip4:
64.20.207.2 / 32
pass if the sender's IP is between
64.20.207.2 and 64.20.207.2 (inclusive).
CTS Communications Corp
AS19653
or else
ip4:
64.20.207.5 / 32
pass if the sender's IP is between
64.20.207.5 and 64.20.207.5 (inclusive).
CTS Communications Corp
AS19653
or else
ip4:
64.20.207.3 / 32
pass if the sender's IP is between
64.20.207.3 and 64.20.207.3 (inclusive).
CTS Communications Corp
AS19653
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:64.20.207.166 a:mx1.dnn4less.com a:eg02.mxguardian.net ip4:64.20.207.2 ip4:64.20.207.5 ip4:64.20.207.3 -all

IP ranges

64.20.207.166
CTS Communications Corp
AS19653
64.68.190.158
Northern Valley Communications
AS14955
64.68.190.238
Northern Valley Communications
AS14955
64.68.190.243
Northern Valley Communications
AS14955
64.68.190.80
Northern Valley Communications
AS14955
54.84.107.183
Amazon.com
AS14618
2600:1f18:260a:1a02:3b9b:fb4a:aa21:36ca
Amazon.com
AS14618
64.20.207.2
CTS Communications Corp
AS19653
64.20.207.5
CTS Communications Corp
AS19653
64.20.207.3
CTS Communications Corp
AS19653