Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
knebel-service.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 03:50:44 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 85.214.136.104 ↩ host19.news-media.de
Mail Server IPs
- 18.198.236.152 ↩ ec2-18-198-236-152.eu-central-1.compute.amazonaws.com
- 3.73.176.232 ↩ ec2-3-73-176-232.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
nsa5.schlundtech.de hosting.news-media.de 2021082501 43200 7200 1209600 86400
Primary NS (mname)
nsa5.schlundtech.de
Admin Email (rname)
hosting@news-media.de
Serial
2021082501
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa5.schlundtech.de
nsd5.schlundtech.de
nsb5.schlundtech.de
nsc5.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.prod.hydra.sophos.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
3 records- SPFv=spf1 include:_spf.prod.hydra.sophos.com -all
- sophos-domain-verification=127b6d2e8a9b7dfb202ebce4d29a48c1123afed5
- MS=ms55238414
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 knebel-service.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits