7 / 10
Lookups
2
Issues
458,762
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
There are 2 issues with this SPF record
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx ptr ip4:216.180.116.19 ip4:216.180.116.20 ip6:2604:63c0:0:fd2:216:3eff:fed4:ed87 ip6:2604:63c0:0:fd2:216:3eff:fed6:2090 ip4:199.83.201.122 include:clearcable.ca -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
2 IPv6 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
216.180.116.19 / 32
pass
if the sender's IP is between
216.180.116.19 and 216.180.116.19 (inclusive).
216.180.116.19 and 216.180.116.19 (inclusive).
Gosfield North Communications Co-operative
AS19465
or else
ip4:
216.180.116.20 / 32
pass
if the sender's IP is between
216.180.116.20 and 216.180.116.20 (inclusive).
216.180.116.20 and 216.180.116.20 (inclusive).
Gosfield North Communications Co-operative
AS19465
or else
ip6:
2604:63c0:0:fd2:216:3eff:fed4:ed87 / 128
pass
if the sender's IP is between
2604:63c0:0:fd2:216:3eff:fed4:ed87 and 2604:63c0:0:fd2:216:3eff:fed4:ed87 (inclusive).
2604:63c0:0:fd2:216:3eff:fed4:ed87 and 2604:63c0:0:fd2:216:3eff:fed4:ed87 (inclusive).
Gosfield North Communications Co-operative
AS19465
or else
ip6:
2604:63c0:0:fd2:216:3eff:fed6:2090 / 128
pass
if the sender's IP is between
2604:63c0:0:fd2:216:3eff:fed6:2090 and 2604:63c0:0:fd2:216:3eff:fed6:2090 (inclusive).
2604:63c0:0:fd2:216:3eff:fed6:2090 and 2604:63c0:0:fd2:216:3eff:fed6:2090 (inclusive).
Gosfield North Communications Co-operative
AS19465
or else
ip4:
199.83.201.122 / 32
pass
if the sender's IP is between
199.83.201.122 and 199.83.201.122 (inclusive).
199.83.201.122 and 199.83.201.122 (inclusive).
Gosfield North Communications Co-operative
AS19465
or else
include:
clearcable.ca
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
fail
the email's SPF check.
Included records
v=spf1 mx ptr ip4:216.180.116.19 ip4:216.180.116.20 ip6:2604:63c0:0:fd2:216:3eff:fed4:ed87 ip6:2604:63c0:0:fd2:216:3eff:fed6:2090 ip4:199.83.201.122 include:clearcable.ca -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
mx include:spf.protection.outlook.com a:mail.clearcable.ca ptr -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
6 x ip4 5 x ip6 -all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff