Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
wilser-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:26:20 UTC · ↺ Refresh
MX Hostnames
- mx01.gwport.de
MX Priorities
- mx01.gwport.de: 10
A / AAAA Records
- 80.228.10.209 ↩ 209.gwport.de
Mail Server IPs
- 80.228.10.253 ↩ mx01.gwport.de
SOA Record
Raw SOA
ns1.gwport.de root.ns1.gwport.de 1769691088 10800 3600 604800 3600
Primary NS (mname)
ns1.gwport.de
Admin Email (rname)
root@ns1.gwport.de
Serial
1769691088
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.gwport.de
ns2.gwport.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx ~all
- google-site-verification=1RU3HjTEp4mlEREAntGp0DN1Q6XuN_77pRf2Xun8r1U
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 wilser-gmbh.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits