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
utb.cz
Issued by
GEANT OV RSA CA 4
Valid Until
11/28/2024
Sending IPs
IP Address    Hostname Volume    Sender Score   
40.107.6.90 mail-db3eur04on2090.outbound.protection.outlook.com. VERY HIGH 84
40.107.6.116 mail-db3eur04on2116.outbound.protection.outlook.com. VERY HIGH 79
40.107.6.125 mail-db3eur04on2125.outbound.protection.outlook.com. VERY HIGH 86
40.107.6.127 mail-db3eur04on2127.outbound.protection.outlook.com. VERY HIGH 83
40.107.6.135 mail-db3eur04on2135.outbound.protection.outlook.com. VERY HIGH 61
40.107.6.137 mail-db3eur04on2137.outbound.protection.outlook.com. VERY HIGH 84
40.107.7.92 mail-he1eur04on2092.outbound.protection.outlook.com. VERY HIGH 80
40.107.7.104 mail-he1eur04on2104.outbound.protection.outlook.com. VERY HIGH 79
40.107.7.118 mail-he1eur04on2118.outbound.protection.outlook.com. VERY HIGH 67
40.107.7.122 mail-he1eur04on2122.outbound.protection.outlook.com. VERY HIGH 87
40.107.7.123 mail-he1eur04on2123.outbound.protection.outlook.com. VERY HIGH 68
40.107.7.125 mail-he1eur04on2125.outbound.protection.outlook.com. VERY HIGH 86
40.107.7.129 mail-he1eur04on2129.outbound.protection.outlook.com. VERY HIGH 76
40.107.7.131 mail-he1eur04on2131.outbound.protection.outlook.com. VERY HIGH 86
40.107.7.135 mail-he1eur04on2135.outbound.protection.outlook.com. VERY HIGH 77
40.107.8.90 mail-vi1eur04on2090.outbound.protection.outlook.com. VERY HIGH 86
40.107.8.95 mail-vi1eur04on2095.outbound.protection.outlook.com. VERY HIGH 78
40.107.8.114 mail-vi1eur04on2114.outbound.protection.outlook.com. VERY HIGH 86
40.107.8.118 mail-vi1eur04on2118.outbound.protection.outlook.com. VERY HIGH 86
40.107.8.131 mail-vi1eur04on2131.outbound.protection.outlook.com. VERY HIGH 79
40.107.8.137 mail-vi1eur04on2137.outbound.protection.outlook.com. VERY HIGH 86
40.107.13.103 mail-he1eur01on2103.outbound.protection.outlook.com. VERY HIGH 75
40.107.13.113 mail-he1eur01on2113.outbound.protection.outlook.com. VERY HIGH 79
40.107.13.134 mail-he1eur01on2134.outbound.protection.outlook.com. VERY HIGH 79
40.107.15.113 mail-db5eur01on2113.outbound.protection.outlook.com. VERY HIGH 79
40.107.15.118 mail-db5eur01on2118.outbound.protection.outlook.com. VERY HIGH 66
40.107.15.119 mail-db5eur01on2119.outbound.protection.outlook.com. VERY HIGH 86
40.107.20.106 mail-db8eur05on2106.outbound.protection.outlook.com. VERY HIGH 86
40.107.20.109 mail-db8eur05on2109.outbound.protection.outlook.com. VERY HIGH 72
40.107.20.114 mail-db8eur05on2114.outbound.protection.outlook.com. VERY HIGH 86
40.107.20.116 mail-db8eur05on2116.outbound.protection.outlook.com. VERY HIGH 78
40.107.20.120 mail-db8eur05on2120.outbound.protection.outlook.com. VERY HIGH 86
40.107.21.97 mail-vi1eur05on2097.outbound.protection.outlook.com. VERY HIGH 76
40.107.21.102 mail-vi1eur05on2102.outbound.protection.outlook.com. VERY HIGH 69
40.107.21.118 mail-vi1eur05on2118.outbound.protection.outlook.com. VERY HIGH 75
40.107.21.123 mail-vi1eur05on2123.outbound.protection.outlook.com. VERY HIGH 79
40.107.22.90 mail-am6eur05on2090.outbound.protection.outlook.com. VERY HIGH 79
40.107.22.92 mail-am6eur05on2092.outbound.protection.outlook.com. VERY HIGH 79
40.107.22.94 mail-am6eur05on2094.outbound.protection.outlook.com. VERY HIGH 86
40.107.22.102 mail-am6eur05on2102.outbound.protection.outlook.com. VERY HIGH 78
40.107.22.108 mail-am6eur05on2108.outbound.protection.outlook.com. VERY HIGH 79
40.107.22.117 mail-am6eur05on2117.outbound.protection.outlook.com. VERY HIGH 86
40.107.22.119 mail-am6eur05on2119.outbound.protection.outlook.com. VERY HIGH 82
40.107.22.120 mail-am6eur05on2120.outbound.protection.outlook.com. VERY HIGH 70
40.107.22.126 mail-am6eur05on2126.outbound.protection.outlook.com. VERY HIGH 79
40.107.22.134 mail-am6eur05on2134.outbound.protection.outlook.com. VERY HIGH 84
40.107.103.139 mail-vi1eur03on2139.outbound.protection.outlook.com. VERY HIGH 59
40.107.104.107 mail-dbaeur03on2107.outbound.protection.outlook.com. VERY HIGH 86
40.107.104.109 mail-dbaeur03on2109.outbound.protection.outlook.com. VERY HIGH 79
40.107.104.120 mail-dbaeur03on2120.outbound.protection.outlook.com. VERY HIGH 82
40.107.104.139 mail-dbaeur03on2139.outbound.protection.outlook.com. VERY HIGH 79
40.107.105.109 mail-am7eur03on2109.outbound.protection.outlook.com. VERY HIGH 86
40.107.105.111 mail-am7eur03on2111.outbound.protection.outlook.com. VERY HIGH 86
40.107.105.132 mail-am7eur03on2132.outbound.protection.outlook.com. VERY HIGH 81
40.107.247.132 mail-am0eur02on2132.outbound.protection.outlook.com. VERY HIGH 67
46.28.105.100 w-smtp-out-4.wedos.net. VERY HIGH 99
46.28.105.101 w-smtp-out-5.wedos.net. VERY HIGH 99
46.255.225.205 gmmr-3.centrum.cz. VERY HIGH 63
77.240.98.75 77-240-98-75.cli-eurosignal.cz. HIGH 99
81.0.226.122 mta-99b.webnode.com. VERY HIGH 82
81.95.97.80 seznamrelay.smtp.cz. VERY HIGH 99
81.95.105.131 antirelay01.smtp.cz. VERY HIGH 99
147.228.57.19 fred.zcu.cz. VERY HIGH 99
147.231.28.3 mx.jh-inst.cas.cz. HIGH 98
147.251.49.7 arethusa2.fi.muni.cz. VERY HIGH 94
185.129.138.111 mxavas-out-1.forpsi.com. VERY HIGH 95
185.129.138.112 mxavas-out-2.forpsi.com. VERY HIGH 94
185.129.138.113 mxavas-out-3.forpsi.com. VERY HIGH 96
193.84.206.117 smtp1.slu.cz. VERY HIGH 99
195.178.88.6 smtp.utb.cz. HIGH 99
195.178.88.16 smtp-gw.utb.cz. MODERATE 97
195.181.249.36 srs2.nameserver.sk. VERY HIGH 83
195.181.249.37 srs3.nameserver.sk. VERY HIGH 89
217.16.187.43 smtp2.savana.cz. VERY HIGH 82
Related Sending Domains

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