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Lookups
1
Issue
149
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx ptr mx:mail.bbmail.com.hk ip4:202.130.97.128/25 ip4:45.124.8.0/28 a:smtp.mail.hkbnes.net ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
or else
ip4:
202.130.97.128 / 25
pass
if the sender's IP is between
202.130.97.128 and 202.130.97.255 (inclusive).
202.130.97.128 and 202.130.97.255 (inclusive).
HKBN Enterprise Solutions HK
AS9381
or else
ip4:
45.124.8.0 / 28
pass
if the sender's IP is between
45.124.8.0 and 45.124.8.15 (inclusive).
45.124.8.0 and 45.124.8.15 (inclusive).
HKBN Enterprise Solutions HK
AS9381
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx ptr mx:mail.bbmail.com.hk ip4:202.130.97.128/25 ip4:45.124.8.0/28 a:smtp.mail.hkbnes.net ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
IP ranges
202.130.97.128
/ 25
HKBN Enterprise Solutions HK
AS9381
202.130.97.128 - 202.130.97.255
128 IP addresses