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
*.sazka.cz
Issued by
GeoTrust TLS RSA CA G1
Valid Until
03/26/2025
Sending IPs
IP Address    Hostname Volume    Sender Score   
45.13.137.10 m1-out-mua-1.websupport.sk. VERY HIGH 77
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 79
46.255.227.203 gmmr-2.centrum.cz. VERY HIGH 52
46.255.227.205 gmmr-4.centrum.cz. VERY HIGH 70
54.240.4.14 a4-14.smtp-out.eu-west-1.amazonses.com. VERY HIGH 99
54.240.7.10 a7-10.smtp-out.eu-west-1.amazonses.com. VERY HIGH 99
54.240.7.11 a7-11.smtp-out.eu-west-1.amazonses.com. VERY HIGH 99
54.240.7.12 a7-12.smtp-out.eu-west-1.amazonses.com. VERY HIGH 99
54.240.7.17 a7-17.smtp-out.eu-west-1.amazonses.com. VERY HIGH 99
54.240.7.18 a7-18.smtp-out.eu-west-1.amazonses.com. VERY HIGH 98
54.240.7.19 a7-19.smtp-out.eu-west-1.amazonses.com. VERY HIGH 98
54.240.7.20 a7-20.smtp-out.eu-west-1.amazonses.com. VERY HIGH 98
77.93.218.24 smtp-out-05.svethostingu.cz. VERY HIGH 72
77.104.227.22 mail.clever.cz. HIGH 98
81.0.235.48 doyle.netservis.cz. VERY HIGH 98
81.95.97.80 seznamrelay.smtp.cz. VERY HIGH 99
81.95.97.106 prince.smtp.cz. VERY HIGH 99
81.95.105.131 antirelay01.smtp.cz. VERY HIGH 97
83.167.244.132 smtp-out-01.svethostingu.cz. VERY HIGH 66
85.93.165.23 webmail.profiwh.com. VERY HIGH 47
149.72.120.130 s.wrqvtvvn.outbound-mail.sendgrid.net. VERY HIGH 51
149.72.123.24 s.wrqvtbkv.outbound-mail.sendgrid.net. VERY HIGH 58
149.72.126.143 s.wrqvtzvf.outbound-mail.sendgrid.net. VERY HIGH 63
149.72.154.232 s.wrqvwxzv.outbound-mail.sendgrid.net. VERY HIGH 4
159.135.230.233 m230-233.mailgun.net. VERY HIGH 91
159.135.234.73 m234-73.mailgun.net. VERY HIGH 94
159.135.234.248 m234-248.mailgun.net. VERY HIGH 97
159.183.224.104 s.wfbtzhsv.outbound-mail.sendgrid.net. VERY HIGH 26
159.183.224.105 s.wfbtzhsw.outbound-mail.sendgrid.net. VERY HIGH 47
160.218.169.68 mailer2.quick.cz. VERY HIGH 98
176.74.132.66 smaragdserver.smaragd-hermes.cz. HIGH 92
185.66.36.222 mail.gigaserver.cz. VERY HIGH 92
185.129.138.111 mxavas-out-1.forpsi.com. VERY HIGH 96
185.129.138.112 mxavas-out-2.forpsi.com. VERY HIGH 94
185.129.138.113 mxavas-out-3.forpsi.com. VERY HIGH 96
193.179.166.5 smtp.sazka.cz. VERY HIGH 98
194.228.41.112 backmx.iol.cz. VERY HIGH 99
195.181.249.35 srs1.nameserver.sk. VERY HIGH 95
195.181.249.36 srs2.nameserver.sk. VERY HIGH 87
195.181.249.37 srs3.nameserver.sk. VERY HIGH 71
198.37.146.154 s.csnrwnwx.outbound-mail.sendgrid.net. VERY HIGH 47
212.47.12.9 mail.box.cz. VERY HIGH 99
212.158.134.205 smtp.sulko.cz. HIGH 99
217.11.236.90 smtp.discretepost.com. VERY HIGH 59
217.16.187.43 smtp2.savana.cz. VERY HIGH 88
217.112.162.92 smtp1.avonet.cz. VERY HIGH 98
217.198.120.43 smtp-forwards-1.zoner.com. VERY HIGH 61

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