Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
merz-system.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:08:35 UTC · ↺ Refresh
MX Hostnames
- merz-system.de.snwlhostedeu.com
MX Priorities
- merz-system.de.snwlhostedeu.com: 10
A / AAAA Records
- 217.160.0.185 ↩ 217-160-0-185.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::208 ↩ 2001-08d8-100f-f000-0000-0000-0000-0208.elastic-ssl.ui-r.com
Mail Server IPs
- 173.240.221.30 ↩ euprodsharedou.com.snwlhostedeu.com
SOA Record
Raw SOA
ns1053.ui-dns.de hostmaster.schlund.de 2017011739 28800 7200 604800 300
Primary NS (mname)
ns1053.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2017011739
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1053.ui-dns.com
ns1053.ui-dns.biz
ns1053.ui-dns.de
ns1053.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mail.merz-system.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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
4 records- google-site-verification=JuR_XO834G6jFP2MAfduNnNszfLd-wTK1iaRHGu-zxY
- apple-domain-verification=9eebAf6KkSNfQaQw
- v=verifydomain MS=5005547
- SPFv=spf1 a mx a:mail.merz-system.de include:spf.protection.outlook.com -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 merz-system.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits