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Sender Score

Results for IP address
12.34.56.789

Sending Domain Information

MX Record   
SPF Record   

SSL Information

SSL Certificate
Owner
*.howard.edu
Issued by
Go Daddy Secure Certificate Authority - G2
Valid Until
06/27/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
40.93.194.93 mail-southcentralusazon11021093.outbound.protection.outlook.com. VERY HIGH 61
40.93.198.72 mail-westcentralusazon11020072.outbound.protection.outlook.com. VERY HIGH 53
40.93.201.85 mail-westcentralusazon11023085.outbound.protection.outlook.com. VERY HIGH 70
40.93.201.124 mail-westcentralusazon11023124.outbound.protection.outlook.com. VERY HIGH 77
40.107.200.73 mail-northcentralusazon11022073.outbound.protection.outlook.com. VERY HIGH 52
40.107.200.90 mail-northcentralusazon11022090.outbound.protection.outlook.com. VERY HIGH 52
40.107.200.100 mail-northcentralusazon11022100.outbound.protection.outlook.com. VERY HIGH 53
40.107.201.86 mail-northcentralusazon11023086.outbound.protection.outlook.com. VERY HIGH 64
40.107.201.98 mail-northcentralusazon11023098.outbound.protection.outlook.com. VERY HIGH 51
40.107.209.130 mail-westus3azon11022130.outbound.protection.outlook.com. VERY HIGH 57
52.101.43.113 mail-westusazon11022113.outbound.protection.outlook.com. VERY HIGH 53
52.101.46.78 mail-westus2azon11020078.outbound.protection.outlook.com. VERY HIGH 52
52.101.46.97 mail-westus2azon11020097.outbound.protection.outlook.com. VERY HIGH 64
52.101.46.119 mail-westus2azon11020119.outbound.protection.outlook.com. VERY HIGH 60
52.101.46.138 mail-westus2azon11020138.outbound.protection.outlook.com. VERY HIGH 65
52.101.48.99 mail-westus2azon11022099.outbound.protection.outlook.com. VERY HIGH 53
52.101.52.74 mail-eastusazon11021074.outbound.protection.outlook.com. VERY HIGH 53
52.101.53.113 mail-eastusazon11022113.outbound.protection.outlook.com. VERY HIGH 52
52.101.53.114 mail-eastusazon11022114.outbound.protection.outlook.com. VERY HIGH 59
52.101.56.97 mail-eastus2azon11020097.outbound.protection.outlook.com. VERY HIGH 56
52.101.57.135 mail-eastus2azon11021135.outbound.protection.outlook.com. VERY HIGH 65
52.101.57.136 mail-eastus2azon11021136.outbound.protection.outlook.com. VERY HIGH 75
52.101.61.114 mail-centralusazon11020114.outbound.protection.outlook.com. VERY HIGH 65
52.101.62.73 mail-centralusazon11021073.outbound.protection.outlook.com. VERY HIGH 64
52.101.193.92 mail-northcentralusazon11020092.outbound.protection.outlook.com. VERY HIGH 80
52.101.193.120 mail-northcentralusazon11020120.outbound.protection.outlook.com. VERY HIGH 60
148.105.0.111 mail111.use2001.mcdlv.net. VERY HIGH 98
148.105.11.43 mail43.sea31.mcsv.net. VERY HIGH 99
167.89.13.187 o7.mx.technolutions.net. VERY HIGH 96
167.89.25.12 o3.mx.technolutions.net. VERY HIGH 97
167.89.25.126 o1.mx.technolutions.net. VERY HIGH 99
167.89.92.40 o1.dtdsendgrid.doublethedonation.com. VERY HIGH 99
167.89.95.129 o1.sendgrid.peoplegrove.com. VERY HIGH 97
198.2.129.108 mail108.atl71.mcdlv.net. VERY HIGH 99
198.2.131.38 mail38.atl111.rsgsv.net. VERY HIGH 99
198.2.131.106 mail106.atl111.rsgsv.net. VERY HIGH 99
198.2.139.184 mail184.atl221.rsgsv.net. VERY HIGH 99
198.2.141.96 mail96.atl231.mcsv.net. VERY HIGH 99
198.2.144.78 mail78.atl301.rsgsv.net. VERY HIGH 99
198.2.183.48 mail48.suw13.rsgsv.net. VERY HIGH 99
198.2.184.48 mail48.suw91.mcdlv.net. VERY HIGH 99
198.2.185.228 mail228.suw121.mcdlv.net. VERY HIGH 99
198.37.152.133 o9.mx.technolutions.net. VERY HIGH 97
198.37.152.137 o8.mx.technolutions.net. VERY HIGH 99
198.37.152.151 o6.mx.technolutions.net. VERY HIGH 97
198.37.158.230 o4.mx.technolutions.net. VERY HIGH 99
198.37.159.162 o2.mx.technolutions.net. VERY HIGH 97
205.201.133.246 mail246.atl21.rsgsv.net. VERY HIGH 99
205.201.135.57 mail57.atl51.rsgsv.net. VERY HIGH 97
208.75.123.131 ccm23.constantcontact.com. VERY HIGH 75
208.75.123.166 ccm166.constantcontact.com. VERY HIGH 87
208.75.123.171 ccm171.constantcontact.com. VERY HIGH 87
208.75.123.176 ccm176.constantcontact.com. VERY HIGH 76
208.75.123.178 ccm178.constantcontact.com. VERY HIGH 88
208.75.123.183 ccm183.constantcontact.com. VERY HIGH 87
208.75.123.184 ccm184.constantcontact.com. VERY HIGH 74
208.75.123.185 ccm185.constantcontact.com. VERY HIGH 83
208.75.123.225 ccm29.constantcontact.com. VERY HIGH 88
208.75.123.226 ccm30.constantcontact.com. VERY HIGH 88
208.75.123.227 ccm31.constantcontact.com. VERY HIGH 87
208.75.123.229 ccm229.constantcontact.com. VERY HIGH 80
208.75.123.231 ccm231.constantcontact.com. VERY HIGH 85
216.235.195.31 mta-oyxy.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.33 mta-rrry.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.36 mta-rrro.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.39 mta-ryoy.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.41 mta-cbxb.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.44 mta-accg.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.61 mta-lllm.cluster2.blackbaud.net. VERY HIGH 88
216.235.195.64 mta-lllp.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.66 mta-lvxu.cluster2.blackbaud.net. VERY HIGH 99
216.235.195.68 mta-lmum.cluster2.blackbaud.net. VERY HIGH 97
216.235.195.159 mta-rrty.cluster3.blackbaud.net. VERY HIGH 97
216.235.195.161 mta-rtty.cluster3.blackbaud.net. VERY HIGH 97
216.235.195.164 mta-tyxy.cluster3.blackbaud.net. VERY HIGH 97
216.235.195.167 mta-aadb.cluster3.blackbaud.net. VERY HIGH 99
216.235.195.169 mta-addb.cluster3.blackbaud.net. VERY HIGH 97
216.235.195.172 mta-dbxb.cluster3.blackbaud.net. VERY HIGH 97
216.235.195.188 mta-umxm.cluster3.blackbaud.net. VERY HIGH 87
216.235.195.189 mta-umxu.cluster3.blackbaud.net. VERY HIGH 97
216.235.195.192 mta-x0xy.cluster3.blackbaud.net. VERY HIGH 88
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