redstation.com SPF record

7 / 10 Lookups
2 Issues
551 IPv4 addresses
0 IPv6 addresses

There are 2 issues with this SPF record

  • DNS returned SERVFAIL while resolving A/AAAA records for as35662.net, so this SPF term could not be expanded into IP addresses.
  • The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx a ip4:95.154.224.192/27 ip4:80.84.48.0/23 ip4:149.3.140.178 ip4:212.38.174.254 a:as35662.net a:smtp.rapidswitch.com a:dc2-mailrelay.iomart.com include:redstationmail.co.uk -all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
a
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
95.154.224.192 / 27
pass if the sender's IP is between
95.154.224.192 and 95.154.224.223 (inclusive).
IOMART CLOUD SERVICES
AS20860
or else
ip4:
80.84.48.0 / 23
pass if the sender's IP is between
80.84.48.0 and 80.84.49.255 (inclusive).
IOMART CLOUD SERVICES
AS20860
or else
ip4:
149.3.140.178 / 32
pass if the sender's IP is between
149.3.140.178 and 149.3.140.178 (inclusive).
IOMART CLOUD SERVICES
AS20860
or else
ip4:
212.38.174.254 / 32
pass if the sender's IP is between
212.38.174.254 and 212.38.174.254 (inclusive).
IOMART CLOUD SERVICES
AS20860
or else
pass if the sender's IP address is in the A or AAAA record of this domain.
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
Evaluate this SPF record and pass if it
passes.
or else
-all
fail the email's SPF check.

Included records

v=spf1 mx a ip4:95.154.224.192/27 ip4:80.84.48.0/23 ip4:149.3.140.178 ip4:212.38.174.254 a:as35662.net a:smtp.rapidswitch.com a:dc2-mailrelay.iomart.com include:redstationmail.co.uk -all
ptr:redstationmail.co.uk -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable

IP ranges

IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860
IOMART CLOUD SERVICES
AS20860