4 / 10
Lookups
0
Issues
458,786
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
Terms
include:
bt.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:bt.com -all
a:smtp1.bt.com include:spf.protection.outlook.com include:www.thrs.bt.com 13 x ip4 ~all
6 x ip4 5 x ip6 -all
4 x ip4 -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
62.239.224.234
/ 31
British Telecommunications
AS2856
62.239.224.234 - 62.239.224.235
2 IP addresses
62.239.224.236
/ 31
British Telecommunications
AS2856
62.239.224.236 - 62.239.224.237
2 IP addresses
193.113.108.40
/ 31
British Telecommunications
AS2856
193.113.108.40 - 193.113.108.41
2 IP addresses