Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
derstressmanager.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:18:40 UTC · ↺ Refresh
MX Hostnames
- mx.derstressmanager.de
MX Priorities
- mx.derstressmanager.de: 50
A / AAAA Records
- 5.175.14.155 ↩ wp633.webpack.hosteurope.de
- 2a01:488:42:1000:50ed:829b:ff93:a195 ↩ www.grueger-roerden.de
Mail Server IPs
- 45.86.125.207 ↩ mail.besser1.de
- 2a0c:8900:1::932a:fb32 ↩ mail.besser1.de
SOA Record
Raw SOA
ns25.domaincontrol.com dns.jomax.net 2025042601 28800 7200 604800 600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025042601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns25.domaincontrol.com
ns26.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.86.125.207 ip6:2a0c:8900:0001:0000:0000:0000:932a:fb32 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:45.86.125.207 ip6:2a0c:8900:0001:0000:0000:0000:932a:fb32 a mx -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 derstressmanager.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits