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
djo.harvard.edu
Issued by
R12
Valid Until
03/22/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
204.187.13.48 sfulib4.nmsrv.com. MODERATE 20
Related Sending Domains
Domain   
reply.pon.harvard.edu
gov.harvard.edu
mm.pm.hms.harvard.edu
okta.hms.harvard.edu
health.harvard.edu
rowland.harvard.edu
joslin.harvard.edu
gsd.harvard.edu
em9748.careers-notifications.harvard.edu
childrens.harvard.edu
em4637.extension.harvard.edu
g.harvard.edu
radcliffe.harvard.edu
eon.law.harvard.edu
bounce.mc.oee.hms.harvard.edu
bounce.comms.hks.harvard.edu
hupd.harvard.edu
list.gse.harvard.edu
harvard.edu
bounce.repoint.harvard.edu
20705739m.childrens.harvard.edu
law.harvard.edu
dlabss.harvard.edu
lists.hmdc.harvard.edu
email.oi.harvard.edu
secure.fas.harvard.edu
nmr.mgh.harvard.edu
wcfia.harvard.edu
careers-notifications.harvard.edu
bounce.u.hms.harvard.edu
lists.fas.harvard.edu
mclean.harvard.edu
em7786.harvard.edu
mm.pc.hms.harvard.edu
mail.harvard.edu
hillel.harvard.edu
hu.harvard.edu
mail.health.harvard.edu
6215382t.dce.harvard.edu
salatainstitute.harvard.edu
umbrella.childrens.harvard.edu
lists.hks.harvard.edu
bluemail.extension.harvard.edu
bounce.mail.harvardonline.harvard.edu
summer.harvard.edu
mail.harvardonline.harvard.edu
arnarb.harvard.edu
u.harvard.edu
myce.hms.harvard.edu
comms.hks.harvard.edu
college.harvard.edu
calists.harvard.edu
adsabs.harvard.edu
meei.harvard.edu
footballplayershealth.harvard.edu
jimmy.harvard.edu
tm.pm.hms.harvard.edu
tm.pc.hms.harvard.edu
hms.harvard.edu
sc.hks.harvard.edu
latte.harvard.edu
slate-mx.harvard.edu
sg01.childrens.harvard.edu
hsph.harvard.edu
onlinelearning.hks.harvard.edu
corpgov.law.harvard.edu
hbsp.harvard.edu
bwh.harvard.edu
clubs.harvard.edu
slate-mx.fas.harvard.edu
hsdm.harvard.edu
iam.harvard.edu
head.cfa.harvard.edu
fas.harvard.edu
mailrelay2.hsl.harvard.edu
mgh.harvard.edu
hmc.harvard.edu
mailsrv.chs.harvard.edu
mail.iam.harvard.edu
emailbounce.oi.harvard.edu
em5741.fas.harvard.edu
em3588.health.harvard.edu
channing.harvard.edu
bidmc.harvard.edu
cfa.harvard.edu
extension.harvard.edu
hsl.harvard.edu
huhs.harvard.edu
armssoftware.fas.harvard.edu
em4430.fas.harvard.edu
slate-mx.gsd.harvard.edu
bounce.hu.harvard.edu
tamkin2.eps.harvard.edu
brain.harvard.edu
gse.harvard.edu
hmsc.harvard.edu
abcd.harvard.edu
eps.harvard.edu
hks.harvard.edu
hds.harvard.edu
m.hbsp.harvard.edu
dfci.harvard.edu
seas.harvard.edu
cyber.harvard.edu
dce.harvard.edu
listserv.med.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.