Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
castelliaccounting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:36:13 UTC · ↺ Refresh
MX Hostnames
- smtp3-west01.prosites.com
- smtp1-west01.prosites.com
MX Priorities
- smtp3-west01.prosites.com: 30
- smtp1-west01.prosites.com: 10
A / AAAA Records
- 44.226.107.251 ↩ ec2-44-226-107-251.us-west-2.compute.amazonaws.com
Mail Server IPs
- 54.71.215.144 ↩ smtp3-west01.prosites.com
- 52.24.20.206 ↩ smtp1-west01.prosites.com
SOA Record
Raw SOA
ns1.cpasitesolutions.com systems.cpasitesolutions.com 2025091000 3600 7200 1209600 86400
Primary NS (mname)
ns1.cpasitesolutions.com
Admin Email (rname)
systems@cpasitesolutions.com
Serial
2025091000
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns9.cpasitesolutions.com
ns2.cpasitesolutions.com
ns1.cpasitesolutions.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:customer.prosites.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=f4p_cmA8gJKf7yl5Kf1sHwhk8MizBvK8LV39ck7Vrc8
- SPFv=spf1 mx include:customer.prosites.com ~all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for castelliaccounting.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits