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
middlebury.edu
Issued by
R3
Valid Until
06/15/2024
Sending IPs
IP Address    Hostname Volume    Sender Score   
40.107.92.109 mail-bn7nam10on2109.outbound.protection.outlook.com. VERY HIGH 89
40.107.92.111 mail-bn7nam10on2111.outbound.protection.outlook.com. VERY HIGH 88
40.107.93.96 mail-dm6nam10on2096.outbound.protection.outlook.com. VERY HIGH 89
40.107.93.112 mail-dm6nam10on2112.outbound.protection.outlook.com. VERY HIGH 89
40.107.93.115 mail-dm6nam10on2115.outbound.protection.outlook.com. VERY HIGH 89
40.107.93.131 mail-dm6nam10on2131.outbound.protection.outlook.com. VERY HIGH 86
40.107.93.134 mail-dm6nam10on2134.outbound.protection.outlook.com. VERY HIGH 89
40.107.94.133 mail-mw2nam10on2133.outbound.protection.outlook.com. VERY HIGH 89
40.107.94.137 mail-mw2nam10on2137.outbound.protection.outlook.com. VERY HIGH 89
40.107.101.108 mail-mw2nam04on2108.outbound.protection.outlook.com. VERY HIGH 89
40.107.220.99 mail-co1nam11on2099.outbound.protection.outlook.com. VERY HIGH 86
40.107.220.116 mail-co1nam11on2116.outbound.protection.outlook.com. VERY HIGH 89
40.107.236.100 mail-bn8nam11on2100.outbound.protection.outlook.com. VERY HIGH 75
40.107.237.118 mail-bn8nam12on2118.outbound.protection.outlook.com. VERY HIGH 89
40.107.243.95 mail-dm6nam12on2095.outbound.protection.outlook.com. VERY HIGH 86
40.107.243.96 mail-dm6nam12on2096.outbound.protection.outlook.com. VERY HIGH 89
40.107.243.102 mail-dm6nam12on2102.outbound.protection.outlook.com. VERY HIGH 86
40.107.243.110 mail-dm6nam12on2110.outbound.protection.outlook.com. VERY HIGH 89
40.107.243.117 mail-dm6nam12on2117.outbound.protection.outlook.com. VERY HIGH 88
40.107.243.121 mail-dm6nam12on2121.outbound.protection.outlook.com. VERY HIGH 89
40.107.244.91 mail-mw2nam12on2091.outbound.protection.outlook.com. VERY HIGH 89
40.107.244.121 mail-mw2nam12on2121.outbound.protection.outlook.com. VERY HIGH 89
50.31.43.252 o1.em.armssoftware.com. VERY HIGH 97
52.100.159.204 mail-sn1nam02hn2204.outbound.protection.outlook.com. VERY HIGH 51
52.100.163.207 mail-bn8nam04hn2207.outbound.protection.outlook.com. VERY HIGH 62
52.100.165.201 mail-bn8nam12hn2201.outbound.protection.outlook.com. VERY HIGH 40
74.208.4.200 mout.gmx.com. VERY HIGH 83
74.208.4.201 mout.gmx.com. VERY HIGH 98
129.158.55.198 smtp-fo.nrtc.syn-alias.com. VERY HIGH 99
136.147.176.11 cr11.mta.exacttarget.com. HIGH 83
139.60.0.64 mail64-2z9c.e2ma.net. VERY HIGH 94
139.60.0.65 mail65-2z9c.e2ma.net. VERY HIGH 97
139.60.0.66 mail66-2z9c.e2ma.net. VERY HIGH 97
139.60.0.67 mail67-2z9c.e2ma.net. VERY HIGH 95
139.60.0.68 mail68-2z9c.e2ma.net. VERY HIGH 97
139.60.0.69 mail69-2z9c.e2ma.net. VERY HIGH 97
139.60.0.70 mail70-2z9c.e2ma.net. VERY HIGH 96
139.60.0.71 mail71-2z9c.e2ma.net. VERY HIGH 97
139.60.0.72 mail72-2z9c.e2ma.net. VERY HIGH 97
139.60.0.73 mail73-2z9c.e2ma.net. VERY HIGH 96
139.60.0.74 mail74-2z9c.e2ma.net. VERY HIGH 97
139.60.0.75 mail75-2z9c.e2ma.net. VERY HIGH 96
139.60.0.76 mail76-2z9c.e2ma.net. VERY HIGH 97
139.60.0.77 mail77-2z9c.e2ma.net. VERY HIGH 96
139.60.0.78 mail78-2z9c.e2ma.net. VERY HIGH 97
139.60.0.79 mail79-2z9c.e2ma.net. VERY HIGH 97
139.60.0.80 mail80-2z9c.e2ma.net. VERY HIGH 97
139.60.0.81 mail81-2z9c.e2ma.net. VERY HIGH 97
139.60.2.64 mail64-4z9c.e2ma.net. VERY HIGH 97
139.60.2.65 mail65-4z9c.e2ma.net. VERY HIGH 91
139.60.2.66 mail66-4z9c.e2ma.net. VERY HIGH 97
139.60.2.67 mail67-4z9c.e2ma.net. VERY HIGH 92
139.60.2.68 mail68-4z9c.e2ma.net. VERY HIGH 96
139.60.2.69 mail69-4z9c.e2ma.net. VERY HIGH 96
139.60.2.70 mail70-4z9c.e2ma.net. VERY HIGH 95
139.60.2.71 mail71-4z9c.e2ma.net. VERY HIGH 92
139.60.2.72 mail72-4z9c.e2ma.net. VERY HIGH 95
139.60.2.73 mail73-4z9c.e2ma.net. VERY HIGH 88
139.60.2.74 mail74-4z9c.e2ma.net. VERY HIGH 92
139.60.2.75 mail75-4z9c.e2ma.net. VERY HIGH 93
139.60.2.76 mail76-4z9c.e2ma.net. VERY HIGH 92
139.60.2.77 mail77-4z9c.e2ma.net. VERY HIGH 88
139.60.2.78 mail78-4z9c.e2ma.net. VERY HIGH 93
139.60.2.79 mail79-4z9c.e2ma.net. VERY HIGH 97
139.60.2.80 mail80-4z9c.e2ma.net. VERY HIGH 96
139.60.2.81 mail81-4z9c.e2ma.net. VERY HIGH 96
159.105.20.84 list.vermont.gov. VERY HIGH 98
167.89.13.187 o7.mx.technolutions.net. VERY HIGH 97
167.89.25.12 o3.mx.technolutions.net. VERY HIGH 80
167.89.25.126 o1.mx.technolutions.net. VERY HIGH 99
167.89.95.129 o1.sendgrid.peoplegrove.com. VERY HIGH 98
167.89.102.126 o7.ecom-na.lightspeedhq.com. HIGH 99
167.89.102.145 o8.ecom-na.lightspeedhq.com. HIGH 99
168.245.122.109 xvfrtxsd.outbound-mail.sendgrid.net. VERY HIGH 87
198.37.152.133 o9.mx.technolutions.net. VERY HIGH 99
198.37.152.137 o8.mx.technolutions.net. VERY HIGH 93
198.37.152.151 o6.mx.technolutions.net. VERY HIGH 99
198.37.158.230 o4.mx.technolutions.net. VERY HIGH 99
198.37.159.162 o2.mx.technolutions.net. VERY HIGH 97
203.55.21.51 mx51.a.outbound.createsend.com. VERY HIGH 97
205.139.105.168 d2pdcsmmta01v8.blackbaud.com. VERY HIGH 99
205.139.105.170 d2pdcsmmta02v0.blackbaud.com. VERY HIGH 79
205.139.105.171 d2pdcsmmta02v1.blackbaud.com. VERY HIGH 84
205.139.105.174 d2pdcsmmta04v4.blackbaud.com. VERY HIGH 83
205.139.105.175 d2pdcsmmta04v5.blackbaud.com. VERY HIGH 79
205.139.105.178 d2pdcsmmta02v8.blackbaud.com. VERY HIGH 98
205.139.105.203 d2pdcsmmtapv3.blackbaud.com. VERY HIGH 88
205.139.105.204 d2pdcsmmtapv4.blackbaud.com. VERY HIGH 87
216.235.195.11 mta-nwxw.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.12 mta-qwxn.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.13 mta-qqqw.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.14 mta-qnne.cluster2.blackbaud.net. VERY HIGH 90
216.235.195.15 mta-qqqe.cluster2.blackbaud.net. VERY HIGH 81
216.235.195.31 mta-oyxy.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.33 mta-rrry.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.34 mta-roof.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.36 mta-rrro.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.38 mta-rfxt.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.39 mta-ryoy.cluster2.blackbaud.net. VERY HIGH 74
216.235.195.41 mta-cbxb.cluster2.blackbaud.net. VERY HIGH 90
216.235.195.44 mta-accg.cluster2.blackbaud.net. VERY HIGH 72
216.235.195.61 mta-lllm.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.63 mta-lllv.cluster2.blackbaud.net. VERY HIGH 86
216.235.195.64 mta-lllp.cluster2.blackbaud.net. VERY HIGH 81
216.235.195.66 mta-lvxu.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.68 mta-lmum.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.69 mta-yxxx.cluster2.blackbaud.net. VERY HIGH 89
216.235.195.142 mta-qene.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.143 mta-nexn.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.159 mta-rrty.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.161 mta-rtty.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.164 mta-tyxy.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.167 mta-aadb.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.169 mta-addb.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.171 mta-cgxc.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.172 mta-dbxb.cluster3.blackbaud.net. VERY HIGH 88
216.235.195.184 mta-lvxp.cluster3.blackbaud.net. VERY HIGH 81
216.235.195.188 mta-umxm.cluster3.blackbaud.net. VERY HIGH 67
216.235.195.189 mta-umxu.cluster3.blackbaud.net. VERY HIGH 89
216.235.195.192 mta-x0xy.cluster3.blackbaud.net. VERY HIGH 89

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