Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pruefstelle-spremberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 05:13:18 UTC · ↺ Refresh
MX Hostnames
- pruefstelle-spremberg.de
MX Priorities
- pruefstelle-spremberg.de: 20
A / AAAA Records
- 185.125.172.19 ↩ cp03.kues-data.de
- 2a07:f00::1020:0:0:0:19 (no PTR)
Mail Server IPs
- 185.125.172.19 ↩ cp03.kues-data.de
- 2a07:f00::1020:0:0:0:19 (no PTR)
SOA Record
Raw SOA
ns1a.dodns.net hostmaster.pruefstelle-spremberg.de 12 28800 3600 1728000 3600
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@pruefstelle-spremberg.de
Serial
12
Refresh
28800s
Retry
3600s
Expire
1728000s
Minimum TTL
3600s
Nameservers (NS)
ns1a.dodns.net
ns2a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=s;pct=100;fo=s;rf=afrf;ri=604800;rua=mailto:[email protected] ;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 -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 pruefstelle-spremberg.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits