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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
posteo.de
Issued by
GeoTrust EV RSA CA G2
Valid Until
02/24/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
3.227.148.255 mxout1-ec2-va.apache.org. VERY HIGH 70
5.230.40.227 xapo.yamamuro.info. LOW 97
45.13.137.10 m1-out-mua-1.websupport.sk. VERY HIGH 62
50.116.63.241 prod2.harmonylists.io. VERY HIGH 99
82.195.75.100 bendel.debian.org. VERY HIGH 99
85.13.138.71 dd17604.kasserver.com. VERY LOW 100
85.13.148.119 dd23738.kasserver.com. HIGH 100
85.13.163.31 dd45632.kasserver.com. MODERATE 82
91.198.250.5 listi.jpberlin.de. VERY HIGH 86
91.198.250.10 mx1.heinlein-support.de. MODERATE 99
91.198.250.20 mx2.heinlein-support.de. MODERATE 99
93.190.48.80 relay.web4ce.cz. VERY HIGH 87
95.216.194.37 mxout1-he-de.apache.org. VERY HIGH 80
131.252.210.177 gabe.freedesktop.org. VERY HIGH 97
139.178.88.99 sv.mirrors.kernel.org. VERY HIGH 99
141.2.22.92 mass.server.uni-frankfurt.de. HIGH 99
142.0.200.124 dfw.mirrors.kernel.org. VERY HIGH 99
147.75.80.249 am.mirrors.kernel.org. VERY HIGH 99
167.89.30.57 o16.ck.n.convertkit.com. VERY HIGH 99
167.89.80.39 o9.ck.n.convertkit.com. VERY HIGH 99
168.119.151.97 rlx11.loginserver.ch. MODERATE 93
178.254.0.205 smh-05.1blu.de. HIGH 84
185.67.36.65 mout01.posteo.de. VERY HIGH 82
185.67.36.66 mout02.posteo.de. VERY HIGH 83
185.67.36.110 mailfwd02.posteo.de. VERY HIGH 99
185.67.36.111 mailfwd01.posteo.de. VERY HIGH 99
185.67.36.141 mout01.posteo.de. MODERATE 99
185.67.36.142 mout02.posteo.de. MODERATE 99
185.67.36.193 mout01c.posteo.de. LOW 99
185.67.36.194 mout02c.posteo.de. MODERATE 97
185.243.11.117 rw0b75.webhosting.systems. VERY LOW 71
195.30.84.234 formbench.de. VERY HIGH 96
195.181.249.37 srs3.nameserver.sk. VERY HIGH 99
195.230.27.225 NXDOMAIN HIGH 85
198.2.130.189 mail189.atl101.mcdlv.net. VERY HIGH 97
209.51.188.17 lists.gnu.org. VERY HIGH 99
212.108.143.155 std.eul.edu.tr. VERY HIGH 7
213.196.21.55 ams.mirrors.kernel.org. VERY HIGH 99

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