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
twin.so
Issued by
R12
Valid Until
05/26/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
23.251.229.168 e229-168.smtp-out.amazonses.com. VERY HIGH 99
24.110.89.109 i89-109.smtp-out.amazonses.com. VERY HIGH 97
54.240.39.204 a39-204.smtp-out.amazonses.com. VERY HIGH 90
74.125.224.45 mail-yx1-f45.google.com. VERY HIGH 76
74.125.224.49 mail-yx1-f49.google.com. VERY HIGH 85
76.223.139.17 c139-17.smtp-out.amazonses.com. VERY HIGH 88
161.38.204.222 v5222.v57ae4e16.euw1.send.eu.mailgun.net. VERY HIGH 93
185.250.239.3 v53.v54282eed.euw1.send.eu.mailgun.net. VERY HIGH 74
209.85.128.172 mail-yw1-f172.google.com. VERY HIGH 70
209.85.128.179 mail-yw1-f179.google.com. VERY HIGH 69
216.221.169.107 g169-107.smtp-out.amazonses.com. VERY HIGH 97
Related Sending Domains
Domain   
envelope.twin.so

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.