3 / 10
Lookups
0
Issues
459,492
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com include:_spfv4.twnic.net.tw include:_spfv6.twnic.net.tw -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
include:
_spfv4.twnic.net.tw
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
include:
_spfv6.twnic.net.tw
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 include:spf.protection.outlook.com include:_spfv4.twnic.net.tw include:_spfv6.twnic.net.tw -all
6 x ip4 5 x ip6 -all
10 x ip4 -all
6 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
211.72.210.0
/ 23
Data Communication Business Group
AS3462
211.72.210.0 - 211.72.211.255
512 IP addresses
61.220.48.0
/ 27
Data Communication Business Group
AS3462
61.220.48.0 - 61.220.48.31
32 IP addresses
202.153.193.224
/ 28
AboveNet Communications Taiwan
AS17408
202.153.193.224 - 202.153.193.239
16 IP addresses
60.199.218.128
/ 25
Taiwan Fixed Network, Telco and Network Service Provider.
AS9924
60.199.218.128 - 60.199.218.255
128 IP addresses
2001:454e:c010:101::
/ 64
Taiwan Fixed Network, Telco and Network Service Provider.
AS9924
2001:454e:c010:101::
2001:454e:c010:101:ffff:ffff:ffff:ffff