List Quality Check

You have no lists. To create a list click here

Select Page
Icon

Sender Score

Results for IP address
12.34.56.789

Sending Domain Information

MX Record   
SPF Record   

SSL Information

SSL Certificate
Owner
si.edu
Issued by
Entrust Certification Authority - L1K
Valid Until
08/19/2024
Sending IPs
IP Address    Hostname Volume    Sender Score   
13.58.214.35 egress-host.us-east-2.a.mail.umich.edu. VERY HIGH 58
15.204.3.5 mta-231b.oxsus-vadesecure.net. VERY HIGH 83
15.204.3.8 mta-c231a.oxsus-vadesecure.net. VERY HIGH 88
15.204.3.9 mta-c231b.oxsus-vadesecure.net. VERY HIGH 83
15.204.3.10 mta-c232a.oxsus-vadesecure.net. VERY HIGH 88
15.204.3.11 mta-c232b.oxsus-vadesecure.net. VERY HIGH 83
17.57.155.4 qs51p00im-qukt01071501.me.com. VERY HIGH 89
17.57.155.6 qs51p00im-qukt01071701.me.com. VERY HIGH 88
17.57.155.15 qs51p00im-qukt01072502.me.com. VERY HIGH 84
17.57.155.23 qs51p00im-qukt01080502.me.com. VERY HIGH 89
17.58.23.186 mr85p00im-zteg06011601.me.com. VERY HIGH 79
17.58.23.188 mr85p00im-hyfv06021301.me.com. VERY HIGH 78
17.58.23.190 mr85p00im-hyfv06021401.me.com. VERY HIGH 90
17.58.38.45 ms11p00im-qufo17291601.me.com. VERY HIGH 96
17.58.38.57 ms11p00im-qufo17282001.me.com. VERY HIGH 95
17.58.63.173 st43p00im-ztfb10071701.me.com. VERY HIGH 95
17.58.63.179 st43p00im-ztfb10063301.me.com. VERY HIGH 95
18.188.205.92 egress-host.us-east-2.a.mail.umich.edu. VERY HIGH 41
18.191.56.25 egress-host.us-east-2.a.mail.umich.edu. VERY HIGH 35
18.219.197.222 egress-host.us-east-2.a.mail.umich.edu. VERY HIGH 36
24.41.67.41 smarth-prod1.sys.elnk.net. VERY HIGH 82
24.41.67.42 smarth-prod2.sys.elnk.net. VERY HIGH 86
35.89.44.32 omta33.uswest2.a.cloudfilter.net. VERY HIGH 74
35.89.44.34 omta35.uswest2.a.cloudfilter.net. VERY HIGH 87
35.89.44.36 omta37.uswest2.a.cloudfilter.net. VERY HIGH 91
35.89.44.38 omta39.uswest2.a.cloudfilter.net. VERY HIGH 92
35.160.237.124 egress-host.us-west-2.a.mail.umich.edu. VERY HIGH 17
35.162.59.88 egress-host.us-west-2.a.mail.umich.edu. VERY HIGH 59
44.202.169.32 omta033.useast.a.cloudfilter.net. VERY HIGH 97
44.202.169.34 omta035.useast.a.cloudfilter.net. VERY HIGH 97
44.202.169.36 omta037.useast.a.cloudfilter.net. VERY HIGH 97
44.202.169.38 omta039.useast.a.cloudfilter.net. VERY HIGH 89
52.37.117.118 egress-host.us-west-2.a.mail.umich.edu. VERY HIGH 15
52.58.7.81 inbound1.eu.delivery3.mailhop.org. VERY HIGH 98
54.68.193.51 inbound2b.ore.mailhop.org. VERY HIGH 98
54.149.154.28 inbound4b.ore.mailhop.org. VERY HIGH 97
54.149.206.185 inbound5b.ore.mailhop.org. VERY HIGH 98
54.186.60.165 inbound3a.ore.mailhop.org. VERY HIGH 94
54.191.158.99 inbound3b.ore.mailhop.org. VERY HIGH 98
64.29.147.29 mail19c25.carrierzone.com. HIGH 16
64.98.42.3 smtprelay0003.b.hostedemail.com. VERY HIGH 95
64.98.42.8 smtprelay0008.b.hostedemail.com. VERY HIGH 96
64.98.42.10 smtprelay0010.b.hostedemail.com. VERY HIGH 94
64.98.42.12 smtprelay0012.b.hostedemail.com. VERY HIGH 83
64.98.42.15 smtprelay0015.b.hostedemail.com. VERY HIGH 86
64.147.108.58 fb4.pobox.com. VERY HIGH 90
64.147.108.59 fb5.pobox.com. VERY HIGH 87
66.96.184.9 bosmailout09.eigbox.net. VERY HIGH 97
66.163.186.147 sonic302-21.consmr.mail.ne1.yahoo.com. VERY HIGH 97
66.163.188.84 sonic319-22.consmr.mail.ne1.yahoo.com. VERY HIGH 97
66.163.189.31 sonic322-56.consmr.mail.ne1.yahoo.com. VERY HIGH 97
66.163.190.146 sonic315-20.consmr.mail.ne1.yahoo.com. VERY HIGH 97
71.126.247.228 lion.matthewv.org. HIGH 92
74.208.4.197 mout.perfora.net. VERY HIGH 84
98.137.68.205 sonic304-24.consmr.mail.gq1.yahoo.com. VERY HIGH 97
98.137.69.82 sonic314-19.consmr.mail.gq1.yahoo.com. VERY HIGH 97
104.47.59.168 mail-dm6nam12lp2168.outbound.protection.outlook.com. VERY HIGH 79
128.220.39.180 ironmtw8.johnshopkins.edu. VERY HIGH 77
128.253.150.158 alr.mail.cornell.edu. VERY HIGH 69
135.148.117.228 mta-131a.oxsus-vadesecure.net. VERY HIGH 65
135.148.117.229 mta-131b.oxsus-vadesecure.net. VERY HIGH 69
135.148.117.233 mta-c131b.oxsus-vadesecure.net. VERY HIGH 82
139.138.47.105 esa.hc4021-78.iphmx.com. VERY HIGH 96
161.47.34.7 gate.forward.smtp.ord1d.emailsrvr.com. VERY HIGH 92
173.228.157.37 fb20.pobox.com. VERY HIGH 89
173.228.157.38 fb21.pobox.com. VERY HIGH 90
173.228.157.39 pb-mx20.pobox.com. VERY HIGH 97
173.228.157.40 pb-mx21.pobox.com. VERY HIGH 97
192.64.150.123 web123.dnchosting.com. HIGH 99
192.99.3.191 smtp.r4l.com. VERY HIGH 95
192.252.149.27 s314.sureserver.com. VERY HIGH 90
198.15.64.210 orion1.dimensionservers.com. HIGH 99
199.89.1.5 002.lax.mailroute.net. VERY HIGH 87
207.54.93.77 esa.hc4021-78.iphmx.com. VERY HIGH 88
212.227.15.19 mout.gmx.net. VERY HIGH 44
216.40.44.18 smtprelay0018.hostedemail.com. VERY HIGH 73
216.40.44.19 smtprelay0019.hostedemail.com. VERY HIGH 83
216.40.44.20 smtprelay0020.hostedemail.com. VERY HIGH 96
216.40.44.21 smtprelay0021.hostedemail.com. VERY HIGH 96
216.40.44.22 smtprelay0022.hostedemail.com. VERY HIGH 96
216.40.44.23 smtprelay0023.hostedemail.com. VERY HIGH 73
216.55.147.65 mail65c45.carrierzone.com. HIGH 95
216.69.139.13 p3plsmtp25-02.prod.phx3.secureserver.net. VERY HIGH 97
216.69.139.17 p3plsmtp25-04.prod.phx3.secureserver.net. VERY HIGH 93
216.69.139.21 p3plsmtp25-06.prod.phx3.secureserver.net. VERY HIGH 97
216.71.137.63 esa5.hc2706-39.iphmx.com. HIGH 97
216.71.137.79 esa6.hc2706-39.iphmx.com. HIGH 92
216.71.137.80 esa7.hc2706-39.iphmx.com. HIGH 97
216.235.195.11 mta-nwxw.cluster2.blackbaud.net. VERY HIGH 94
216.235.195.12 mta-qwxn.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.13 mta-qqqw.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.14 mta-qnne.cluster2.blackbaud.net. VERY HIGH 80
216.235.195.15 mta-qqqe.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.16 mta-qqqn.cluster2.blackbaud.net. VERY HIGH 85
216.235.195.34 mta-roof.cluster2.blackbaud.net. VERY HIGH 94
216.235.195.35 mta-rrrf.cluster2.blackbaud.net. VERY HIGH 65
216.235.195.36 mta-rrro.cluster2.blackbaud.net. VERY HIGH 84
216.235.195.38 mta-rfxt.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.39 mta-ryoy.cluster2.blackbaud.net. VERY HIGH 82
216.235.195.40 mta-ryty.cluster2.blackbaud.net. VERY HIGH 87
216.235.195.41 mta-cbxb.cluster2.blackbaud.net. VERY HIGH 84
216.235.195.43 mta-aaab.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.44 mta-accg.cluster2.blackbaud.net. VERY HIGH 81
216.235.195.45 mta-aaag.cluster2.blackbaud.net. VERY HIGH 83
216.235.195.61 mta-lllm.cluster2.blackbaud.net. VERY HIGH 75
216.235.195.63 mta-lllv.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.64 mta-lllp.cluster2.blackbaud.net. VERY HIGH 84
216.235.195.65 mta-luuv.cluster2.blackbaud.net. VERY HIGH 82
216.235.195.66 mta-lvxu.cluster2.blackbaud.net. VERY HIGH 84
216.235.195.68 mta-lmum.cluster2.blackbaud.net. VERY HIGH 84
216.235.195.69 mta-yxxx.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.70 mta-xxxy.cluster2.blackbaud.net. VERY HIGH 87
216.235.195.142 mta-qene.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.143 mta-nexn.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.152 mta-c3pooltaf.cluster3.convio.net. VERY HIGH 13
216.235.195.157 mta-c3poolnonydk.cluster3.convio.net. VERY HIGH 94
216.235.195.159 mta-rrty.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.161 mta-rtty.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.162 mta-rfof.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.163 mta-ofxo.cluster3.blackbaud.net. VERY HIGH 61
216.235.195.164 mta-tyxy.cluster3.blackbaud.net. VERY HIGH 75
216.235.195.166 mta-rrtf.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.167 mta-aadb.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.168 mta-agxc.cluster3.blackbaud.net. VERY HIGH 87
216.235.195.169 mta-addb.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.171 mta-cgxc.cluster3.blackbaud.net. VERY HIGH 88
216.235.195.172 mta-dbxb.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.173 mta-dbxd.cluster3.blackbaud.net. VERY HIGH 82
216.235.195.184 mta-lvxp.cluster3.blackbaud.net. VERY HIGH 88
216.235.195.186 mta-lvpv.cluster3.blackbaud.net. VERY HIGH 85
216.235.195.188 mta-umxm.cluster3.blackbaud.net. VERY HIGH 82
216.235.195.189 mta-umxu.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.191 mta-xxzx.cluster3.blackbaud.net. VERY HIGH 84
216.235.195.192 mta-x0xy.cluster3.blackbaud.net. VERY HIGH 85
216.235.195.193 mta-xzzx.cluster3.blackbaud.net. VERY HIGH 82
217.70.178.242 mslow2.mail.gandi.net. VERY HIGH 92
Related Sending Domains
Domain   

The path to reputation greatness.

See if you’re being blocked.

Is your reputation suffering because you’re on a blocklist? Use our free tool to investigate.

Learn from star senders

Hear real sender stories on the Email After Hours podcast.

Keep your lists clean

Upload your list to our list quality checks tool to see if your contacts are legit.

Talk to an email expert.

We’re the experts in deliverability and driving maximum results from your email marketing. Let’s chat and find out how you can improve your sender reputation and raise your revenue.

Assess

Learn

Act