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
holley.com
Issued by
WE1
Valid Until
10/17/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
20.67.221.12 smtp-outbound9.duck.com. VERY HIGH 99
20.67.222.12 smtp-outbound7.duck.com. VERY HIGH 99
20.67.223.12 smtp-outbound8.duck.com. VERY HIGH 99
35.89.44.32 omta33.uswest2.a.cloudfilter.net. VERY HIGH 70
50.31.39.242 pnkfntfn.outbound-mail.sendgrid.net. LOW 99
66.29.159.58 fwd-04-1.fwd.privateemail.com. VERY HIGH 97
69.72.42.110 v5110.v51e342bd.use4.send.mailgun.net. HIGH 99
103.133.133.150 kl08.mynic247.com. HIGH 83
108.179.148.42 4f2ojg.8009596t.holley.com. MODERATE 99
139.180.17.205 bc1qr7z.8009596m.holley.com. MODERATE 100
146.20.86.8 gate.forward.smtp.iad3b.emailsrvr.com. VERY HIGH 85
149.72.27.243 o1579.send.holley.com. VERY HIGH 99
149.72.53.83 o3994.shared.klaviyomail.com. VERY HIGH 84
167.89.77.234 o1326.shared.klaviyomail.com. VERY HIGH 94
167.89.80.92 o1290.shared.klaviyomail.com. VERY HIGH 85
216.104.162.151 smtp01-forward-1.daemonmail.net. VERY HIGH 96
216.104.163.151 smtp02-forward-1.daemonmail.net. VERY HIGH 81

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.