2 / 10
Lookups
0
Issues
458,868
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:82.16.21.171 ip4:82.16.21.172 ip4:82.16.21.135 ip4:81.179.123.32/27 ip4:213.246.181.64/26 ip4:82.16.21.138 ip4:5.101.145.112/28 ip6:2a01:a500:3641:101::/64 ip6:2a01:a500:3641:102::/64 mx -all
Copied
Terms
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
82.16.21.171 / 32
pass
if the sender's IP is between
82.16.21.171 and 82.16.21.171 (inclusive).
82.16.21.171 and 82.16.21.171 (inclusive).
Virgin Media
AS5089
or else
ip4:
82.16.21.172 / 32
pass
if the sender's IP is between
82.16.21.172 and 82.16.21.172 (inclusive).
82.16.21.172 and 82.16.21.172 (inclusive).
Virgin Media
AS5089
or else
ip4:
82.16.21.135 / 32
pass
if the sender's IP is between
82.16.21.135 and 82.16.21.135 (inclusive).
82.16.21.135 and 82.16.21.135 (inclusive).
Virgin Media
AS5089
or else
ip4:
81.179.123.32 / 27
pass
if the sender's IP is between
81.179.123.32 and 81.179.123.63 (inclusive).
81.179.123.32 and 81.179.123.63 (inclusive).
TalkTalk Communications
AS13285
or else
ip4:
213.246.181.64 / 26
pass
if the sender's IP is between
213.246.181.64 and 213.246.181.127 (inclusive).
213.246.181.64 and 213.246.181.127 (inclusive).
TalkTalk Communications
AS8586
or else
ip4:
82.16.21.138 / 32
pass
if the sender's IP is between
82.16.21.138 and 82.16.21.138 (inclusive).
82.16.21.138 and 82.16.21.138 (inclusive).
Virgin Media
AS5089
or else
ip4:
5.101.145.112 / 28
pass
if the sender's IP is between
5.101.145.112 and 5.101.145.127 (inclusive).
5.101.145.112 and 5.101.145.127 (inclusive).
UK Dedicated Servers
AS42831
or else
ip6:
2a01:a500:3641:101:: / 64
pass
if the sender's IP is between
2a01:a500:3641:101:: and 2a01:a500:3641:101:ffff:ffff:ffff:ffff (inclusive).
2a01:a500:3641:101:: and 2a01:a500:3641:101:ffff:ffff:ffff:ffff (inclusive).
UK Dedicated Servers
AS42831
or else
ip6:
2a01:a500:3641:102:: / 64
pass
if the sender's IP is between
2a01:a500:3641:102:: and 2a01:a500:3641:102:ffff:ffff:ffff:ffff (inclusive).
2a01:a500:3641:102:: and 2a01:a500:3641:102:ffff:ffff:ffff:ffff (inclusive).
UK Dedicated Servers
AS42831
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com ip4:82.16.21.171 ip4:82.16.21.172 ip4:82.16.21.135 ip4:81.179.123.32/27 ip4:213.246.181.64/26 ip4:82.16.21.138 ip4:5.101.145.112/28 ip6:2a01:a500:3641:101::/64 ip6:2a01:a500:3641:102::/64 mx -all
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
2a01:a500:3641:101::
/ 64
UK Dedicated Servers
AS42831
2a01:a500:3641:101::
2a01:a500:3641:101:ffff:ffff:ffff:ffff
2a01:a500:3641:102::
/ 64
UK Dedicated Servers
AS42831
2a01:a500:3641:102::
2a01:a500:3641:102:ffff:ffff:ffff:ffff