Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
duerec.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-03 07:37:11 UTC · ↺ Refresh
MX Hostnames
- mx2.hc467-1.eu.iphmx.com
- mx1.hc467-1.eu.iphmx.com
MX Priorities
- mx2.hc467-1.eu.iphmx.com: 20
- mx1.hc467-1.eu.iphmx.com: 10
A / AAAA Records
- 109.239.54.101 (no PTR)
Mail Server IPs
- 207.54.71.142 (no PTR)
- 207.54.77.34 (no PTR)
SOA Record
Raw SOA
ns1050.ui-dns.org hostmaster.schlund.de 2016110410 28800 7200 604800 300
Primary NS (mname)
ns1050.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110410
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1050.ui-dns.de
ns1050.ui-dns.biz
ns1050.ui-dns.com
ns1050.ui-dns.org
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 · Customize →
See demo & docs
Deep verification
Full email verification for duerec.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits