Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sev.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 05:05:55 UTC · ↺ Refresh
MX Hostnames
- mail.sev.nl
MX Priorities
- mail.sev.nl: 10
A / AAAA Records
- 217.114.98.74 ↩ customer-www.railscluster.nl
Mail Server IPs
- 171.25.179.91 ↩ hosted-by.trans-ix.online
SOA Record
Raw SOA
ns0.leaseweb.nl postmaster.leaseweb.nl 2017072501 14400 7200 604800 300
Primary NS (mname)
ns0.leaseweb.nl
Admin Email (rname)
postmaster@leaseweb.nl
Serial
2017072501
Refresh
14400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.leaseweb.nl
ns4.leaseweb.net
ns5.leaseweb.nl
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
No TXT records found.
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 sev.nl
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits