twnic.tw SPF record

4 / 10 Lookups

0 Issues

459,382 IPv4 addresses

2.19 ⋅ 10 ²⁴ IPv6 addresses


                              v=spf1 include:_spfv4.twnic.tw include:_spfv6.twnic.tw include:_spfv42.twnic.tw include:spf.protection.outlook.com  -all

Copied

Terms

include:

_spfv4.twnic.tw

Evaluate this SPF record and pass if it

passes.

or else

include:

_spfv6.twnic.tw

Evaluate this SPF record and pass if it

passes.

or else

include:

_spfv42.twnic.tw

Evaluate this SPF record and pass if it

passes.

or else

include:

spf.protection.outlook.com

Evaluate this SPF record and pass if it

passes.

Microsoft 365 / Outlook

Inbox software

or else

-all

fail the email's SPF check.

Included records

twnic.tw

v=spf1 include:_spfv4.twnic.tw include:_spfv6.twnic.tw include:_spfv42.twnic.tw include:spf.protection.outlook.com -all

_spfv4.twnic.tw

10 x ip4 -all

_spfv6.twnic.tw

6 x ip6 -all

_spfv42.twnic.tw

3 x ip4 -all

spf.protection.outlook.com

6 x ip4 5 x ip6 -all

IP ranges

211.72.210.0 / 24

Data Communication Business Group

AS3462

211.72.210.0 - 211.72.210.255

256 IP addresses

210.64.24.13

Digital United

AS4780

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

210.201.80.147

HITRON TECHNOLOGY

AS9311

211.78.91.0 / 25

DWINS Digital Service Corp.,

AS17416

211.78.91.0 - 211.78.91.127

128 IP addresses

61.220.48.24

Data Communication Business Group

AS3462

210.64.24.15

Digital United

AS4780

182.173.0.171

Taiwan Network Information Center

AS131644

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

2001:c50:ffff:1::9957

Taiwan Fixed Network, Telco and Network Service Provider.

AS9924

2001:c50:ffff:1::9918

Taiwan Fixed Network, Telco and Network Service Provider.

AS9924

2001:c50:ffff:1::9999

Taiwan Fixed Network, Telco and Network Service Provider.

AS9924

2001:cd8:800:0:22cf:30ff:fe67:5dd

Digital United

AS4780

2001:cd8:800::2415

Digital United

AS4780

59.125.164.91

Data Communication Business Group

AS3462

59.125.164.64 / 27

Data Communication Business Group

AS3462

59.125.164.64 - 59.125.164.95

32 IP addresses

210.201.136.0 / 27

HITRON TECHNOLOGY

AS9311

210.201.136.0 - 210.201.136.31

32 IP addresses

40.92.0.0 / 15

Microsoft

AS8075

40.92.0.0 - 40.93.255.255

131,072 IP addresses

40.107.0.0 / 16

Microsoft

AS8075

40.107.0.0 - 40.107.255.255

65,536 IP addresses

52.100.0.0 / 15

Microsoft

AS8075

52.100.0.0 - 52.101.255.255

131,072 IP addresses

52.102.0.0 / 16

Microsoft

AS8075

52.102.0.0 - 52.102.255.255

65,536 IP addresses

52.103.0.0 / 17

Microsoft

AS8075

52.103.0.0 - 52.103.127.255

32,768 IP addresses

104.47.0.0 / 17

Microsoft

AS8075

104.47.0.0 - 104.47.127.255

32,768 IP addresses

2a01:111:f400:: / 48

Microsoft

AS8075

2a01:111:f400::

2a01:111:f400:ffff:ffff:ffff:ffff:ffff

2a01:111:f403:: / 49

Microsoft

AS8075

2a01:111:f403::

2a01:111:f403:7fff:ffff:ffff:ffff:ffff

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