Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
americancylinderhead.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 09:41:02 UTC · ↺ Refresh
MX Hostnames
- mx2-us1.ppe-hosted.com
- mx1-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 10
- mx2-us1.ppe-hosted.com: 20
A / AAAA Records
- 149.115.18.30 (no PTR)
Mail Server IPs
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
ns1.digitalspaceportal.net postmaster.carrierzone.com 2021060113 86400 300 3600000 300
Primary NS (mname)
ns1.digitalspaceportal.net
Admin Email (rname)
postmaster@carrierzone.com
Serial
2021060113
Refresh
86400s
Retry
300s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
ns1.digitalspaceportal.net
ns2.digitalspaceportal.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- ppe-aaa9a82daed57c0f1fb8ec3c4b32986050fcf5a6
- MS=01768F57B0E699F2408080224F056FDDD2150526
- SPFv=spf1 include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.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 americancylinderhead.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits