wtt.net.hk SPF record

4 / 10 Lookups
1 Issue
131 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:intermal.mail.hkbnes.net ip4:202.130.97.128/25 a:smtp2.wtt-mail.com ~all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
ptr:
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
pass if the sender's IP address is in the A or AAAA record of this domain.
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).
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:intermal.mail.hkbnes.net ip4:202.130.97.128/25 a:smtp2.wtt-mail.com ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable

IP ranges

HKBN Enterprise Solutions HK
AS9381
HKBN Enterprise Solutions HK
AS9381
HKBN Enterprise Solutions HK
AS9381
Confluence Networks
AS40034