coslink.net SPF record

6 / 10 Lookups
1 Issue
1,297 IPv4 addresses
0 IPv6 addresses

The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.

v=spf1 ip4:64.68.224.0/24 include:powerc.net ptr ptr:twncorp.com mx ~all Copied

Terms

ip4:
64.68.224.0 / 24
pass if the sender's IP is between
64.68.224.0 and 64.68.224.255 (inclusive).
Cherryland Services
AS13904
or else
include:
powerc.net
Evaluate this SPF record and pass if it
passes.
or else
ptr:
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
mx
pass if the sender's IP address is in the A or AAAA record of this domain.
8 IPv4 addresses
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 ip4:64.68.224.0/24 include:powerc.net ptr ptr:twncorp.com mx ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
3 x ip4 a mx -all

IP ranges

Cherryland Services
AS13904
Cherryland Services
AS13904
Mail2world
AS26254
Mail2world
AS26254
Cherryland Services
AS13904
Amazon.com
AS16509
Amazon.com
AS14618
Amazon.com
AS16509
Amazon.com
AS14618
Amazon.com
AS14618
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS14618
Amazon.com
AS16509
Amazon.com
AS14618
Amazon.com
AS14618
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS14618
Amazon.com
AS16509
Amazon.com
AS14618