10 / 10
Lookups
1
Issue
8
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx a ptr a:mail16.netdesignhost.com a:mail1.netdesignhost.com a:mail21.netdesignhost.com a:mail197.netdesignhost.com a:mail7.netdesignhost.com a:mail5.netdesignhost.com a:newsletter.netdesigngroup.com ip4:163.44.196.74 ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
163.44.196.74 / 32
pass
if the sender's IP is between
163.44.196.74 and 163.44.196.74 (inclusive).
163.44.196.74 and 163.44.196.74 (inclusive).
GMO-Z com NetDesign Holdings Co.
AS135161
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx a ptr a:mail16.netdesignhost.com a:mail1.netdesignhost.com a:mail21.netdesignhost.com a:mail197.netdesignhost.com a:mail7.netdesignhost.com a:mail5.netdesignhost.com a:newsletter.netdesigngroup.com ip4:163.44.196.74 ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable