spfext.rice.edu SPF record

1 / 10 Lookups
0 Issues
133,153 IPv4 addresses
0 IPv6 addresses
v=spf1 a:a32.spf.rice.edu ip4:128.42.1.1/16 ip4:168.7.1.1/16 ip4:160.34.15.16/28 ip4:52.128.40.1/21 -all Copied

Terms

pass if the sender's IP address is in the A or AAAA record of this domain.
17 IPv4 addresses
or else
ip4:
128.42.1.1 / 16
pass if the sender's IP is between
128.42.0.0 and 128.42.255.255 (inclusive).
Rice University
AS8
or else
ip4:
168.7.1.1 / 16
pass if the sender's IP is between
168.7.0.0 and 168.7.255.255 (inclusive).
Rice University
AS8
or else
ip4:
160.34.15.16 / 28
pass if the sender's IP is between
160.34.15.16 and 160.34.15.31 (inclusive).
or else
ip4:
52.128.40.1 / 21
pass if the sender's IP is between
52.128.40.0 and 52.128.47.255 (inclusive).
Amazon.com
AS14618
or else
-all
fail the email's SPF check.

Included records

v=spf1 a:a32.spf.rice.edu ip4:128.42.1.1/16 ip4:168.7.1.1/16 ip4:160.34.15.16/28 ip4:52.128.40.1/21 -all

IP ranges

Amazon.com
AS14618
Internap Holding
AS32475
OVH
AS16276
Touchnet Information Systems
AS13450
SendGrid
AS11377
Ex Libris (USA)
AS14148
Ex Libris (USA)
AS14148
Ex Libris (USA)
AS14148
Ntirety
AS20021
Ntirety
AS20021
TierPoint
AS17378
TierPoint
AS17378
TierPoint
AS17378
TierPoint
AS17378
Ex Libris (USA)
AS14148
Ex Libris (USA)
AS14148
Huron Consulting Group
AS22931
Rice University
AS8
Rice University
AS8
Amazon.com
AS14618