isotelecom.com SPF record

8 / 10 Lookups
0 Issues
464,274 IPv4 addresses
2.19 â‹… 10 24 IPv6 addresses
v=spf1 mx a a:mail.phonesystems.net include:smtp-relay.sendinblue.com ip4:146.88.237.38 ip4:94.247.160.0/24 include:relay.mailbaby.net include:spf.protection.outlook.com ip4:185.253.57.39 ip4:185.253.57.40 -all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 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
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
ip4:
146.88.237.38 / 32
pass if the sender's IP is between
146.88.237.38 and 146.88.237.38 (inclusive).
PlanetHoster
AS53589
or else
ip4:
94.247.160.0 / 24
pass if the sender's IP is between
94.247.160.0 and 94.247.160.255 (inclusive).
BENESOL BACKBONE
AS8368
or else
Evaluate this SPF record and pass if it
passes.
or else
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
185.253.57.39 / 32
pass if the sender's IP is between
185.253.57.39 and 185.253.57.39 (inclusive).
ISONYS
AS57310
or else
ip4:
185.253.57.40 / 32
pass if the sender's IP is between
185.253.57.40 and 185.253.57.40 (inclusive).
ISONYS
AS57310
or else
-all
fail the email's SPF check.

Included records

v=spf1 mx a a:mail.phonesystems.net include:smtp-relay.sendinblue.com ip4:146.88.237.38 ip4:94.247.160.0/24 include:relay.mailbaby.net include:spf.protection.outlook.com ip4:185.253.57.39 ip4:185.253.57.40 -all
11 x ip4 include:spf1.flat.mailbaby.net ~all
8 x ip4 include:spf2.flat.mailbaby.net ~all
6 x ip4 5 x ip6 -all

IP ranges

Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
PlanetHoster
AS53589
Keyyo SA
AS34659
PlanetHoster
AS53589
BENESOL BACKBONE
AS8368
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Interserver
AS19318
Tech Futures Interactive
AS394256
Amazon.com
AS16509
Interserver
AS19318
Interserver
AS19318
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
ISONYS
AS57310
ISONYS
AS57310