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
hillel.harvard.edu
Issued by
R3
Valid Until
07/15/2024
Sending IPs
IP Address    Hostname Volume    Sender Score   
13.58.214.35 egress-host.us-east-2.a.mail.umich.edu. VERY HIGH 20
18.7.62.33 exchange-forwarding-3.mit.edu. HIGH 97
18.7.62.34 exchange-forwarding-4.mit.edu. HIGH 97
18.9.21.21 exchange-forwarding-1.mit.edu. VERY HIGH 98
52.28.30.98 inbound1.eu.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 98
54.149.206.185 inbound5b.ore.mailhop.org. VERY HIGH 98
54.186.60.165 inbound3a.ore.mailhop.org. VERY HIGH 86
54.191.158.99 inbound3b.ore.mailhop.org. VERY HIGH 98
64.26.60.153 mx0.mfg.onr.siteprotect.com. VERY HIGH 97
194.245.148.6 mailfw3.joker-forward.com. VERY HIGH 88
194.245.148.9 mailfw4.joker-forward.com. VERY HIGH 80
208.75.123.4 coi004.confirmedcc.com. VERY HIGH 98
208.75.123.130 ccm22.constantcontact.com. VERY HIGH 89
208.75.123.131 ccm23.constantcontact.com. VERY HIGH 88
208.75.123.132 ccm24.constantcontact.com. VERY HIGH 88
208.75.123.133 ccm25.constantcontact.com. VERY HIGH 95
208.75.123.134 ccm134.constantcontact.com. VERY HIGH 94
208.75.123.135 ccm135.constantcontact.com. VERY HIGH 88
208.75.123.161 ccm26.constantcontact.com. VERY HIGH 89
208.75.123.162 ccm27.constantcontact.com. VERY HIGH 94
208.75.123.163 ccm38.constantcontact.com. VERY HIGH 90
208.75.123.164 ccm39.constantcontact.com. VERY HIGH 89
208.75.123.165 ccm165.constantcontact.com. VERY HIGH 92
208.75.123.166 ccm166.constantcontact.com. VERY HIGH 95
208.75.123.167 ccm167.constantcontact.com. VERY HIGH 94
208.75.123.168 ccm168.constantcontact.com. VERY HIGH 95
208.75.123.169 ccm169.constantcontact.com. VERY HIGH 95
208.75.123.170 ccm170.constantcontact.com. VERY HIGH 90
208.75.123.171 ccm171.constantcontact.com. VERY HIGH 89
208.75.123.172 ccm172.constantcontact.com. VERY HIGH 89
208.75.123.173 ccm173.constantcontact.com. VERY HIGH 94
208.75.123.174 ccm174.constantcontact.com. VERY HIGH 95
208.75.123.175 ccm175.constantcontact.com. VERY HIGH 94
208.75.123.176 ccm176.constantcontact.com. VERY HIGH 94
208.75.123.177 ccm177.constantcontact.com. VERY HIGH 90
208.75.123.178 ccm178.constantcontact.com. VERY HIGH 94
208.75.123.179 ccm179.constantcontact.com. VERY HIGH 89
208.75.123.180 ccm180.constantcontact.com. VERY HIGH 89
208.75.123.181 ccm181.constantcontact.com. VERY HIGH 89
208.75.123.182 ccm182.constantcontact.com. VERY HIGH 88
208.75.123.183 ccm183.constantcontact.com. VERY HIGH 88
208.75.123.184 ccm184.constantcontact.com. VERY HIGH 88
208.75.123.185 ccm185.constantcontact.com. VERY HIGH 94
208.75.123.186 ccm186.constantcontact.com. VERY HIGH 94
208.75.123.196 ccm36.constantcontact.com. VERY HIGH 90
208.75.123.197 ccm197.constantcontact.com. VERY HIGH 94
208.75.123.198 ccm198.constantcontact.com. VERY HIGH 94
208.75.123.202 ccm202.constantcontact.com. VERY HIGH 94
208.75.123.225 ccm29.constantcontact.com. VERY HIGH 90
208.75.123.226 ccm30.constantcontact.com. VERY HIGH 89
208.75.123.227 ccm31.constantcontact.com. VERY HIGH 94
208.75.123.228 ccm32.constantcontact.com. VERY HIGH 87
208.75.123.229 ccm229.constantcontact.com. VERY HIGH 88
208.75.123.230 ccm230.constantcontact.com. VERY HIGH 95
208.75.123.231 ccm231.constantcontact.com. VERY HIGH 89
208.75.123.232 ccm232.constantcontact.com. VERY HIGH 94
208.75.123.233 ccm233.constantcontact.com. VERY HIGH 91
208.75.123.234 ccm234.constantcontact.com. VERY HIGH 95
208.75.123.235 ccm235.constantcontact.com. VERY HIGH 88
208.75.123.236 ccm236.constantcontact.com. VERY HIGH 89
216.40.44.22 smtprelay0022.hostedemail.com. VERY HIGH 83
216.40.44.23 smtprelay0023.hostedemail.com. VERY HIGH 83
Related Sending Domains
Domain   
reply.pon.harvard.edu
law.harvard.edu
onlinelearning.hks.harvard.edu
slate-mx.fas.harvard.edu
mailman.fas.harvard.edu
m.hbsp.harvard.edu
em9138.hsph.harvard.edu
latte.harvard.edu
wcfia.harvard.edu
catalyst.harvard.edu
calists.harvard.edu
wyss.harvard.edu
chs.harvard.edu
itatti.harvard.edu
listserv.med.harvard.edu
umbrella.childrens.harvard.edu
footballplayershealth.harvard.edu
list.gse.harvard.edu
u.harvard.edu
cbat.eps.harvard.edu
tamkin2.eps.harvard.edu
okta.hms.harvard.edu
clubs.harvard.edu
bdim2010a.huh.harvard.edu
dce.harvard.edu
childrens.harvard.edu
meei.harvard.edu
channing.harvard.edu
corpgov.law.harvard.edu
lists.gov.harvard.edu
eps.harvard.edu
20705739m.childrens.harvard.edu
alumni.hks.harvard.edu
cyber.harvard.edu
mclean.harvard.edu
hsph.harvard.edu
mah.harvard.edu
rmf.harvard.edu
oeb.harvard.edu
molbio.mgh.harvard.edu
dataverse.harvard.edu
comms.hks.harvard.edu
mg.ces.fas.harvard.edu
seas.harvard.edu
abcd.harvard.edu
cfa.harvard.edu
em3588.health.harvard.edu
eon.law.harvard.edu
gov.harvard.edu
sg01.childrens.harvard.edu
lists.hks.harvard.edu
summer.harvard.edu
info.health.harvard.edu
health.harvard.edu
bidmc.harvard.edu
mail.harvard.edu
bounce.hu.harvard.edu
myce.hms.harvard.edu
learn.hbsp.harvard.edu
hsdm.harvard.edu
hsl.harvard.edu
mgh.harvard.edu
mail.harvardonline.harvard.edu
college.harvard.edu
arnarb.harvard.edu
lists.cga.harvard.edu
hsphsun3.harvard.edu
bounce.mail.harvardonline.harvard.edu
hu.harvard.edu
bounce.comms.hks.harvard.edu
brain.harvard.edu
hphci.harvard.edu
bwh.harvard.edu
hmc.harvard.edu
lists.cs50.harvard.edu
harvard.edu
jimmy.harvard.edu
dlabss.harvard.edu
hks.harvard.edu
huhs.harvard.edu
eecs.harvard.edu
dfci.harvard.edu
mail.health.harvard.edu
radcliffe.harvard.edu
gsd.harvard.edu
em7657.myce.hms.harvard.edu
lists.law.harvard.edu
cyber.law.harvard.edu
bounce.email.externaled.hms.harvard.edu
hms.harvard.edu
sc.hks.harvard.edu
lists.fas.harvard.edu
em4430.fas.harvard.edu
hbsp.harvard.edu
huarp.harvard.edu
extension.harvard.edu
joslin.harvard.edu
em1380.dfci.harvard.edu
gse.harvard.edu
hmsc.harvard.edu
mail.law.harvard.edu
bounce.repoint.harvard.edu
nmr.mgh.harvard.edu
g.harvard.edu
hds.harvard.edu
fas.harvard.edu
cga.harvard.edu

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