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Lookups
0
Issues
559,159
IPv4 addresses
2.48 â‹… 10
28
IPv6 addresses
v=spf1 include:_spf1.yonsei.ac.kr include:_spf2.yonsei.ac.kr include:_spf3.yonsei.ac.kr include:_spf4.yonsei.ac.kr include:_spf.google.com include:mailplug.com -all
Copied
Terms
include:
_spf1.yonsei.ac.kr
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:
_spf2.yonsei.ac.kr
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:
_spf3.yonsei.ac.kr
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:
_spf4.yonsei.ac.kr
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:
_spf.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Gmail
Inbox software
or else
include:
mailplug.com
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:_spf1.yonsei.ac.kr include:_spf2.yonsei.ac.kr include:_spf3.yonsei.ac.kr include:_spf4.yonsei.ac.kr include:_spf.google.com include:mailplug.com -all
12 x ip4 -all
12 x ip4 -all
include:spf.protection.outlook.com 5 x ip4 -all
6 x ip4 5 x ip6 -all
11 x ip4 -all
2 x ip4 6 x ip6 ~all
include:_spf01.mailplug.com include:_spf02.mailplug.com include:_spf03.mailplug.com ~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