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
hsi.org
Issued by
YR2
Valid Until
09/17/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
40.76.38.113 mx.answernet.com. LOW 98
40.93.194.78 mail-southcentralusazon11021078.outbound.protection.outlook.com. VERY HIGH 74
40.93.195.127 mail-southcentralusazon11022127.outbound.protection.outlook.com. VERY HIGH 66
40.93.201.135 mail-westcentralusazon11023135.outbound.protection.outlook.com. VERY HIGH 66
40.107.200.95 mail-northcentralusazon11022095.outbound.protection.outlook.com. VERY HIGH 66
40.107.209.132 mail-westus3azon11022132.outbound.protection.outlook.com. VERY HIGH 68
52.101.43.75 mail-westusazon11022075.outbound.protection.outlook.com. VERY HIGH 75
52.101.48.119 mail-westus2azon11022119.outbound.protection.outlook.com. VERY HIGH 68
52.101.52.142 mail-eastusazon11021142.outbound.protection.outlook.com. VERY HIGH 70
52.101.61.107 mail-centralusazon11020107.outbound.protection.outlook.com. VERY HIGH 74
66.187.204.6 mta7-cac1.e-activist.com. VERY HIGH 97
66.187.204.7 mta8-cac1.e-activist.com. VERY HIGH 87
66.187.204.8 mta9-cac1.e-activist.com. VERY HIGH 91
66.187.204.9 mta10-cac1.e-activist.com. VERY HIGH 94
66.187.204.152 mta7-cac2.e-activist.com. VERY HIGH 91
66.187.204.153 mta8-cac2.e-activist.com. VERY HIGH 58
66.187.204.154 mta9-cac2.e-activist.com. VERY HIGH 97
66.187.204.155 mta10-cac2.e-activist.com. VERY HIGH 97
67.231.152.177 mx0b-0001b203.pphosted.com. VERY HIGH 79
149.72.45.204 wrqvndcc.outbound-mail.sendgrid.net. MODERATE 97
167.89.92.40 o1.dtdsendgrid.doublethedonation.com. VERY HIGH 99
168.245.20.17 o3.delivery.memberclicks-mail.net. VERY HIGH 97
168.245.25.254 o4.delivery.memberclicks-mail.net. VERY HIGH 97
168.245.51.211 o33.outbound-mail.autopilotmail2.io. VERY HIGH 99
168.245.64.81 o32.outbound-mail.autopilotmail2.io. VERY HIGH 99
168.245.127.241 o2.delivery.memberclicks-mail.net. VERY HIGH 97
198.37.157.69 o1983715769.outbound-mail.sendgrid.net. MODERATE 99

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.