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
frc.org
Issued by
R3
Valid Until
06/23/2024
Sending IPs
IP Address    Hostname Volume    Sender Score   
20.67.221.10 smtp-outbound3.duck.com. VERY HIGH 96
20.67.221.11 smtp-outbound6.duck.com. VERY HIGH 87
20.67.221.12 smtp-outbound9.duck.com. VERY HIGH 87
20.67.222.10 smtp-outbound1.duck.com. VERY HIGH 87
20.67.222.11 smtp-outbound4.duck.com. VERY HIGH 87
20.67.222.12 smtp-outbound7.duck.com. VERY HIGH 96
20.67.223.10 smtp-outbound2.duck.com. VERY HIGH 87
20.67.223.11 smtp-outbound5.duck.com. VERY HIGH 96
20.67.223.12 smtp-outbound8.duck.com. VERY HIGH 96
24.41.67.41 smarth-prod1.sys.elnk.net. VERY HIGH 96
64.26.60.153 mx0.mfg.onr.siteprotect.com. VERY HIGH 97
64.68.200.41 mx-caprica.easydns.com. VERY HIGH 94
64.147.108.51 pb-mx10.pobox.com. VERY HIGH 97
64.196.237.48 qmail1.frc.org. MODERATE 85
64.196.237.49 qmail2.frc.org. VERY HIGH 88
64.196.237.50 qmail3.frc.org. VERY HIGH 88
64.196.237.51 qmail4.frc.org. VERY HIGH 88
64.196.237.52 qmail5.frc.org. VERY HIGH 68
64.196.237.53 qmail6.frc.org. VERY HIGH 88
64.196.237.57 qmail7.frc.org. VERY HIGH 88
66.39.3.119 mail1.g4.pair.com. VERY HIGH 97
66.96.184.3 bosmailout03.eigbox.net. VERY HIGH 97
74.208.4.197 mout.perfora.net. VERY HIGH 84
74.208.4.200 mout.gmx.com. VERY HIGH 86
128.253.150.158 alr.mail.cornell.edu. VERY HIGH 89
138.197.212.231 cloudmail2.shopsite.com. HIGH 97
148.163.137.158 mx0b-00390e01.pphosted.com. VERY HIGH 73
159.135.228.232 mg-1.cresnews.com. VERY HIGH 79
159.135.232.65 mg-6.cresnews.com. VERY HIGH 99
161.38.193.223 mg-4.cresnews.com. VERY HIGH 97
161.38.193.230 mg-5.cresnews.com. VERY HIGH 97
161.38.193.235 mg-7.cresnews.com. VERY HIGH 96
161.38.194.153 mg-8.cresnews.com. VERY HIGH 97
161.38.194.198 mg-2.cresnews.com. VERY HIGH 99
173.225.177.140 domesticuniform.com. HIGH 86
173.228.157.39 pb-mx20.pobox.com. VERY HIGH 98
173.249.144.23 cloudhost-119112.us-west-1.nxcli.net. VERY HIGH 0
198.244.48.135 mg-3.cresnews.com. VERY HIGH 99
209.222.82.14 outbound-ip144a.ess.barracuda.com. VERY HIGH 99
209.222.82.80 outbound-ip144b.ess.barracuda.com. VERY HIGH 99
209.222.82.177 outbound-ip10a.ess.barracuda.com. VERY HIGH 99
209.222.82.192 outbound-ip10b.ess.barracuda.com. VERY HIGH 99
216.69.139.15 p3plsmtp25-03.prod.phx3.secureserver.net. VERY HIGH 98
216.69.139.17 p3plsmtp25-04.prod.phx3.secureserver.net. VERY HIGH 98
216.69.139.19 p3plsmtp25-05.prod.phx3.secureserver.net. VERY HIGH 98
216.69.139.21 p3plsmtp25-06.prod.phx3.secureserver.net. VERY HIGH 98
216.69.139.25 p3plsmtp26-02.prod.phx3.secureserver.net. VERY HIGH 87
216.69.139.27 p3plsmtp26-03.prod.phx3.secureserver.net. VERY HIGH 87
216.69.139.29 p3plsmtp26-04.prod.phx3.secureserver.net. VERY HIGH 81
216.69.139.31 p3plsmtp26-05.prod.phx3.secureserver.net. VERY HIGH 87
216.69.139.33 p3plsmtp26-06.prod.phx3.secureserver.net. VERY HIGH 87
216.194.64.198 ns2.redirection.net. VERY HIGH 96

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