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
expondo.cz
Issued by
WE1
Valid Until
09/16/2025
Sending IPs
IP Address    Hostname Volume    Sender Score   
3.64.141.50 smtp-5353986f.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 89
3.65.112.116 smtp-5f559e63.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
3.66.3.132 smtp-b9579c85.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 95
3.66.45.68 smtp-8b63a8b7.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.66.101.178 smtp-e660abda.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.66.123.3 smtp-35448f09.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
3.67.32.135 smtp-6a549f56.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.67.109.63 smtp-8d579cb1.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.67.144.118 smtp-1b66ad27.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.67.156.214 smtp-ff78b3c3.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 95
3.67.203.107 smtp-2f6ca713.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 98
3.67.245.146 smtp-7e559e42.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.68.0.96 smtp-795f9445.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.68.15.32 smtp-6f539853.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.68.37.62 smtp-39519a05.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 96
3.68.37.163 smtp-f8579cc4.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 96
3.68.40.238 smtp-fa408bc6.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 85
3.68.51.202 smtp-7d539841.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 75
3.121.26.191 smtp-f1408bcd.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
3.124.163.170 smtp-246aa118.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 96
18.156.93.11 smtp-d76da6eb.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 94
18.156.144.4 smtp-f868a3c4.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 92
18.157.153.58 smtp-f069a2cc.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
18.158.217.145 smtp-2a5c9716.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
18.159.17.29 smtp-7c5f9440.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 96
18.159.187.145 smtp-396ca705.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
18.192.238.184 smtp-307cb70c.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
18.193.148.252 smtp-5d539861.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 96
18.196.245.62 smtp-1a519a26.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
18.198.104.254 smtp-e460abd8.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
18.198.173.134 smtp-3b5c9707.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
18.198.240.28 smtp-2b448f17.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 99
18.198.251.133 smtp-d560abe9.core1.sfdc-yzvdd4.mta.salesforce.com. VERY HIGH 97
45.13.137.10 m1-out-mua-1.websupport.sk. VERY HIGH 94
45.13.137.14 m1-out-mua-5.websupport.sk. VERY HIGH 68
45.13.137.20 m1-out-mua-11.websupport.sk. VERY HIGH 65
45.13.137.21 m1-out-mua-12.websupport.sk. VERY HIGH 73
45.13.137.23 m1-out-mua-14.websupport.sk. VERY HIGH 73
45.13.137.27 m1-out-mua-18.websupport.sk. VERY HIGH 74
46.13.8.170 mail.plkm.cz. VERY HIGH 99
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
46.36.35.152 mail.hukot.net. VERY HIGH 97
46.234.108.34 olu05.vas-server.cz. MODERATE 99
46.255.225.202 gmmr-1.centrum.cz. VERY HIGH 88
46.255.225.205 gmmr-3.centrum.cz. VERY HIGH 90
46.255.227.203 gmmr-2.centrum.cz. VERY HIGH 97
46.255.227.205 gmmr-4.centrum.cz. VERY HIGH 99
54.38.221.193 mail-out.walkmail.cz. VERY HIGH 98
62.109.151.137 mail056.webglobe.com. HIGH 99
62.201.17.90 mail.unitherm.cz. MODERATE 99
77.48.24.132 server.hotice.cz. HIGH 98
77.240.190.210 mail.aerohosting.cz. VERY HIGH 98
79.110.44.1 ns.nts.cz. HIGH 97
81.0.235.199 usermail-1.websitemaster.com. VERY HIGH 92
81.0.236.9 ns.unihost.cz. VERY HIGH 98
81.25.28.89 whitesoft-intex8.c.cbsn.cz. HIGH 99
81.31.33.204 mail1d717.masterinter.net. VERY HIGH 98
81.95.97.80 seznamrelay.smtp.cz. VERY HIGH 98
81.95.97.112 duke.smtp.cz. VERY HIGH 98
81.95.97.113 lady.smtp.cz. VERY HIGH 98
81.95.105.173 antirelay43.smtp.cz. VERY HIGH 79
82.208.18.195 marty.tvujhosting.cz. VERY HIGH 98
83.167.244.154 smtp-tls-out-02.svethostingu.cz. VERY HIGH 69
83.167.244.184 smtp-tls-out-01.svethostingu.cz. VERY HIGH 99
88.103.247.58 isolotto.prins.cz. HIGH 99
91.232.247.210 mx3.rcsoft.cz. HIGH 99
104.37.34.70 mx1.pub.mailpod10-cph3.one.com. HIGH 98
104.37.34.72 mx3.pub.mailpod10-cph3.one.com. HIGH 99
160.218.169.68 mailer2.quick.cz. VERY HIGH 98
161.38.206.107 m206-107.eu.mailgun.net. VERY HIGH 86
161.38.206.109 m206-109.eu.mailgun.net. VERY HIGH 83
161.38.206.110 m206-110.eu.mailgun.net. VERY HIGH 74
176.62.171.36 mta-02.webnode.com. VERY HIGH 80
176.62.171.38 smtp38-webnode.mrelay.be. VERY HIGH 74
176.62.171.41 smtp-41.webnode.com. VERY HIGH 61
176.62.171.42 smtp-42.webnode.com. VERY HIGH 72
176.62.171.43 smtp-43.webnode.com. VERY HIGH 66
176.62.171.44 smtp-44.webnode.com. VERY HIGH 54
178.251.187.8 jaguar.blueboard.cz. VERY HIGH 93
185.33.145.200 c1.godense.cz. MODERATE 99
185.66.36.222 mail.gigaserver.cz. VERY HIGH 89
185.129.138.111 mxavas-out-1.forpsi.com. VERY HIGH 99
185.129.138.112 mxavas-out-2.forpsi.com. VERY HIGH 99
185.129.138.113 mxavas-out-3.forpsi.com. VERY HIGH 99
185.205.137.21 mailserver-1.ebrana.cz. VERY HIGH 99
195.178.72.113 mlcoun2.mendelu.cz. VERY HIGH 99
195.181.249.35 srs1.nameserver.sk. VERY HIGH 99
195.181.249.36 srs2.nameserver.sk. VERY HIGH 90
195.181.249.37 srs3.nameserver.sk. VERY HIGH 97
212.4.158.51 tayend.mmsc.cz. HIGH 98
212.79.96.111 mauna.cz. HIGH 99
217.198.120.43 smtp-forwards-1.zoner.com. VERY HIGH 94
Related Sending Domains
Domain   
newsletter.expondo.cz

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.