Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
merten.cloud
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-03 07:40:14 UTC · ↺ Refresh
MX Hostnames
- mxext1.mailbox.org
- mxext2.mailbox.org
- mxext3.mailbox.org
MX Priorities
- mxext3.mailbox.org: 20
- mxext1.mailbox.org: 10
- mxext2.mailbox.org: 10
A / AAAA Records
- 213.186.33.5 ↩ redirect.ovh.net
Mail Server IPs
- 80.241.60.216 ↩ mx3.mailbox.org
- 2001:67c:2050:104:0:3:25:1 ↩ mx3.mailbox.org
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104:0:1:25:1 ↩ mx1.mailbox.org
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104:0:2:25:1 ↩ mx2.mailbox.org
SOA Record
Raw SOA
dns109.ovh.net tech.ovh.net 2089765392 86400 3600 3600000 300
Primary NS (mname)
dns109.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2089765392
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
dns109.ovh.net
ns109.ovh.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 include:mailbox.org ~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 · Customize →
See demo & docs
Deep verification
Full email verification for merten.cloud
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits