Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sedruck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 00:29:33 UTC · ↺ Refresh
MX Hostnames
- mx.sedruck.de
MX Priorities
- mx.sedruck.de: 100
A / AAAA Records
- 80.158.30.189 ↩ ecs-80-158-30-189.reverse.open-telekom-cloud.com
Mail Server IPs
- 178.63.51.124 ↩ mx.sedruck.de
- 2a01:4f8:120:729c::2 ↩ mx.sedruck.de
SOA Record
Raw SOA
ns1.open-telekom-cloud.com webmaster.sedruck.de 1 7200 900 1209600 300
Primary NS (mname)
ns1.open-telekom-cloud.com
Admin Email (rname)
webmaster@sedruck.de
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.open-telekom-cloud.com
ns2.open-telekom-cloud.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx -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 sedruck.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits