Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
omassaure.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 06:55:42 UTC · ↺ Refresh
MX Hostnames
- srv02.inge-woelfle.de
MX Priorities
- srv02.inge-woelfle.de: 10
A / AAAA Records
- 78.46.59.91 ↩ srv02.inge-woelfle.de
- 2a01:4f8:201:40a5::2 ↩ srv02.inge-woelfle.de
Mail Server IPs
- 78.46.59.91 ↩ srv02.inge-woelfle.de
- 2a01:4f8:201:40a5::2 ↩ srv02.inge-woelfle.de
SOA Record
Raw SOA
nsa5.schlundtech.de info.woelfle-webdesign.de 2025102401 43200 7200 1209600 86400
Primary NS (mname)
nsa5.schlundtech.de
Admin Email (rname)
info@woelfle-webdesign.de
Serial
2025102401
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa5.schlundtech.de
nsb5.schlundtech.de
nsd5.schlundtech.de
nsc5.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:78.46.59.91/24 ip6:2a01:4f8:201:40a5::2/48 -all
📊 DNS lookups: 2/10
✓ 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 ip4:78.46.59.91/24 ip6:2a01:4f8:201:40a5::2/48 -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 omassaure.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits