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
spectrumresorts.com
Issued by
R13
Valid Until
05/26/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
50.31.49.41 s.pnkfpknw.outbound-mail.sendgrid.net. VERY HIGH 96
69.72.42.248 v5248.v51e342bd.use4.send.mailgun.net. VERY HIGH 70
137.66.122.224 pcosmtp224.yardi.com. HIGH 97
137.66.122.225 pcosmtp225.yardi.com. HIGH 99
147.253.209.255 mta-209-255.sparkpostmail.com. MODERATE 99
147.253.210.65 mta-210-65.sparkpostmail.com. MODERATE 97
149.72.120.24 s.wrqvtvkv.outbound-mail.sendgrid.net. VERY HIGH 96
149.72.120.62 s.wrqvtvpz.outbound-mail.sendgrid.net. VERY HIGH 86
149.72.121.119 s.wrqvtwtt.outbound-mail.sendgrid.net. VERY HIGH 99
149.72.142.136 wrqvvzvv.outbound-mail.sendgrid.net. VERY HIGH 97
159.183.224.103 s.wfbtzhst.outbound-mail.sendgrid.net. VERY HIGH 83
159.183.224.106 s.wfbtzhsx.outbound-mail.sendgrid.net. VERY HIGH 96
159.183.231.27 s.wfbtztkb.outbound-mail.sendgrid.net. VERY HIGH 85
170.10.151.127 usb-smtp-delivery-127.mimecast.com. VERY HIGH 97
170.10.153.127 usb-smtp-delivery-127.mimecast.com. VERY HIGH 97
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.