Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
diabetes-weyhausen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 09:59:50 UTC · ↺ Refresh
MX Hostnames
- mx1.diabetes-weyhausen.de
MX Priorities
- mx1.diabetes-weyhausen.de: 10
A / AAAA Records
- 188.40.252.235 ↩ hserv10.ctnm.de
Mail Server IPs
- 162.55.26.34 ↩ hserv4.ctnm.de
SOA Record
Raw SOA
ns1.ctnm.de dns.ctnm.de 2021122013 86400 7200 2419200 86400
Primary NS (mname)
ns1.ctnm.de
Admin Email (rname)
dns@ctnm.de
Serial
2021122013
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
auth2.artfiles.de
ns1.ctnm.de
auth3.artfiles.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:ngmail.ctnm.de a:ngmail-proxy.ctnm.de a:hserv10.ctnm.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx a:ngmail.ctnm.de a:ngmail-proxy.ctnm.de a:hserv10.ctnm.de -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 · Customize →
See demo & docs
Deep verification
Full email verification for diabetes-weyhausen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits