spfe.itsc.cuhk.edu.hk SPF record

3 / 10 Lookups
0 Issues
92,422 IPv4 addresses
0 IPv6 addresses
v=spf1 ip4:117.20.42.11 ip4:117.20.42.12 ip4:143.89.106.229 include:spf.alumni.cuhk.net include:mh.blackboard.com -all Copied

Terms

ip4:
117.20.42.11 / 32
pass if the sender's IP is between
117.20.42.11 and 117.20.42.11 (inclusive).
Ex Libris (USA)
AS14148
or else
ip4:
117.20.42.12 / 32
pass if the sender's IP is between
117.20.42.12 and 117.20.42.12 (inclusive).
Ex Libris (USA)
AS14148
or else
ip4:
143.89.106.229 / 32
pass if the sender's IP is between
143.89.106.229 and 143.89.106.229 (inclusive).
Hong Kong University of Science and Technology
AS3363
or else
Evaluate this SPF record and pass if it
passes.
or else
Evaluate this SPF record and pass if it
passes.
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:117.20.42.11 ip4:117.20.42.12 ip4:143.89.106.229 include:spf.alumni.cuhk.net include:mh.blackboard.com -all
3 x ip4 -all
1 x ip4 include:amazonses.com -all
12 x ip4 -all

IP ranges

Ex Libris (USA)
AS14148
Ex Libris (USA)
AS14148
Hong Kong University of Science and Technology
AS3363
The Hong Kong Internet Exchange
AS4641
The Hong Kong Internet Exchange
AS4641
The Hong Kong Internet Exchange
AS4641
Blackboard
AS22556
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS14618
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509
Amazon.com
AS16509