Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tombergen.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 18:56:15 UTC · ↺ Refresh
MX Hostnames
- mail.tombergen.nl
MX Priorities
- mail.tombergen.nl: 10
A / AAAA Records
- 178.22.63.90 ↩ hosting216.exonet.nl
Mail Server IPs
- 178.22.63.90 ↩ hosting216.exonet.nl
SOA Record
Raw SOA
ns1.exonet.nl hostmaster.exonet.nl 2026032601 28800 7200 604800 3600
Primary NS (mname)
ns1.exonet.nl
Admin Email (rname)
hostmaster@exonet.nl
Serial
2026032601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.exonet.nl
ns3.exonet.eu
ns2.exonet.nl
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spf.exonet.nl ip4:83.247.93.88 include:spf.solcon.nl include:passoft.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
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
1 record- SPFv=spf1 mx a include:_spf.exonet.nl ip4:83.247.93.88 include:spf.solcon.nl include:passoft.net ~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 tombergen.nl
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits