4 / 10
Lookups
0
Issues
688,133
IPv4 addresses
5.26 ⋅ 10
27
IPv6 addresses
v=spf1 ip4:128.173.0.0/16 ip4:198.82.0.0/16 ip6:2001:468:c80::/48 ip6:2607:b400::/40 mx include:spf.protection.outlook.com include:_spf.google.com include:spf.mail.vt.edu ~all
Copied
Terms
ip4:
128.173.0.0 / 16
pass
if the sender's IP is between
128.173.0.0 and 128.173.255.255 (inclusive).
128.173.0.0 and 128.173.255.255 (inclusive).
Virginia Polytechnic Institute and State Univ.
AS1312
or else
ip4:
198.82.0.0 / 16
pass
if the sender's IP is between
198.82.0.0 and 198.82.255.255 (inclusive).
198.82.0.0 and 198.82.255.255 (inclusive).
Virginia Polytechnic Institute and State Univ.
AS1312
or else
ip6:
2001:468:c80:: / 48
pass
if the sender's IP is between
2001:468:c80:: and 2001:468:c80:ffff:ffff:ffff:ffff:ffff (inclusive).
2001:468:c80:: and 2001:468:c80:ffff:ffff:ffff:ffff:ffff (inclusive).
Virginia Polytechnic Institute and State Univ.
AS1312
or else
ip6:
2607:b400:: / 40
pass
if the sender's IP is between
2607:b400:: and 2607:b400:ff:ffff:ffff:ffff:ffff:ffff (inclusive).
2607:b400:: and 2607:b400:ff:ffff:ffff:ffff:ffff:ffff (inclusive).
Virginia Polytechnic Institute and State Univ.
AS1312
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
5 IPv6 addresses
or else
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:
_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:
spf.mail.vt.edu
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
soft fail
the email's SPF check.
Included records
v=spf1 ip4:128.173.0.0/16 ip4:198.82.0.0/16 ip6:2001:468:c80::/48 ip6:2607:b400::/40 mx include:spf.protection.outlook.com include:_spf.google.com include:spf.mail.vt.edu ~all
6 x ip4 5 x ip6 -all
2 x ip4 6 x ip6 ~all
~all
IP ranges
128.173.0.0
/ 16
Virginia Polytechnic Institute and State Univ.
AS1312
128.173.0.0 - 128.173.255.255
65,536 IP addresses
198.82.0.0
/ 16
Virginia Polytechnic Institute and State Univ.
AS1312
198.82.0.0 - 198.82.255.255
65,536 IP addresses
2001:468:c80::
/ 48
Virginia Polytechnic Institute and State Univ.
AS1312
2001:468:c80::
2001:468:c80:ffff:ffff:ffff:ffff:ffff
2607:b400::
/ 40
Virginia Polytechnic Institute and State Univ.
AS1312
2607:b400::
2607:b400:ff:ffff: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