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Lookups
0
Issues
273,924
IPv4 addresses
0
IPv6 addresses
v=spf1 include:sendgrid.net include:_spf.nrtc.syn-alias.com ip4:137.118.0.0/17 ip4:137.118.128.0/21 ip4:208.80.200.0/21 ~all
Copied
Terms
include:
sendgrid.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
SendGrid
Email automation
or else
include:
_spf.nrtc.syn-alias.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
ip4:
137.118.0.0 / 17
pass
if the sender's IP is between
137.118.0.0 and 137.118.127.255 (inclusive).
137.118.0.0 and 137.118.127.255 (inclusive).
Amazon.com
AS14618
or else
ip4:
137.118.128.0 / 21
pass
if the sender's IP is between
137.118.128.0 and 137.118.135.255 (inclusive).
137.118.128.0 and 137.118.135.255 (inclusive).
Buggs Island Telephone Cooperative
AS21891
or else
ip4:
208.80.200.0 / 21
pass
if the sender's IP is between
208.80.200.0 and 208.80.207.255 (inclusive).
208.80.200.0 and 208.80.207.255 (inclusive).
Expedient
AS17054
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 include:sendgrid.net include:_spf.nrtc.syn-alias.com ip4:137.118.0.0/17 ip4:137.118.128.0/21 ip4:208.80.200.0/21 ~all
mx 4 x ip4 ~all
IP ranges
137.118.128.0
/ 21
Buggs Island Telephone Cooperative
AS21891
137.118.128.0 - 137.118.135.255
2,048 IP addresses