15 / 10
Lookups
3
Issues
1,036
IPv4 addresses
0
IPv6 addresses
There are 3 issues with this SPF record
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
- More than 10 DNS lookups were required to process this SPF record.
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ip4:195.64.138.0/23 ptr a:idmx.interdesk.ch a:mail.interdesk.ch a:mail.schweiz.net a:ns.schweiz.net include:interdesk.ch ~all
Copied
Terms
ip4:
195.64.138.0 / 23
pass
if the sender's IP is between
195.64.138.0 and 195.64.139.255 (inclusive).
195.64.138.0 and 195.64.139.255 (inclusive).
Telconet
AS42085
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
include:
interdesk.ch
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:195.64.138.0/23 ptr a:idmx.interdesk.ch a:mail.interdesk.ch a:mail.schweiz.net a:ns.schweiz.net include:interdesk.ch ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
More than 10 DNS lookups were required to process this SPF record
mx 1 x ip4 ptr a:mail.interdesk.ch a:idmx.interdesk.ch a:scan02.globalmx.ch a:scan02.globalmx.ch a:exmail.xauth.ch a:smtp.globalmx.ch a:mail.schweiz.net ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable