centuria.pl SPF record

6 / 10 Lookups
1 Issue
466,194 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses

The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.

v=spf1 a mx ptr ip4:46.28.15.38 ip4:46.28.8.150 ip4:46.28.10.116 ip4:46.28.8.152 ip4:46.28.8.145 ip4:46.28.13.132 include:spf.protection.outlook.com include:_spf.mail03-userengage.com include:spf-westeu.emailsignatures365.com -all Copied

Terms

a
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
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
ptr:
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
ip4:
46.28.15.38 / 32
pass if the sender's IP is between
46.28.15.38 and 46.28.15.38 (inclusive).
JT (Jersey)
AS8681
or else
ip4:
46.28.8.150 / 32
pass if the sender's IP is between
46.28.8.150 and 46.28.8.150 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
ip4:
46.28.10.116 / 32
pass if the sender's IP is between
46.28.10.116 and 46.28.10.116 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
ip4:
46.28.8.152 / 32
pass if the sender's IP is between
46.28.8.152 and 46.28.8.152 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
ip4:
46.28.8.145 / 32
pass if the sender's IP is between
46.28.8.145 and 46.28.8.145 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
ip4:
46.28.13.132 / 32
pass if the sender's IP is between
46.28.13.132 and 46.28.13.132 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
Evaluate this SPF record and pass if it
passes.
or else
Evaluate this SPF record and pass if it
passes.
or else
-all
fail the email's SPF check.

Included records

v=spf1 a mx ptr ip4:46.28.15.38 ip4:46.28.8.150 ip4:46.28.10.116 ip4:46.28.8.152 ip4:46.28.8.145 ip4:46.28.13.132 include:spf.protection.outlook.com include:_spf.mail03-userengage.com include:spf-westeu.emailsignatures365.com -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable

IP ranges

Beyond.pl sp. z o.o.
AS31229
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
JT (Jersey)
AS8681
Beyond.pl sp. z o.o.
AS31229
Beyond.pl sp. z o.o.
AS31229
Beyond.pl sp. z o.o.
AS31229
Beyond.pl sp. z o.o.
AS31229
Beyond.pl sp. z o.o.
AS31229
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
VERCOM
AS29205
VERCOM
AS59828
VERCOM
AS29205
Amazon.com
AS16509
Cyber_Folks
AS34360
VERCOM
AS47348
FRESHPLANNERS Sp. z o.o.
AS212904
VERCOM
AS204962
VERCOM
AS204964
FRESHPLANNERS Sp. z o.o.
AS212904
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075