Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seagull-wasserfilter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 08:15:05 UTC · ↺ Refresh
MX Hostnames
- A.MX.KSF1.MESSAGE-SOLUTION.de
- B.MX.KSF1.MESSAGE-SOLUTION.de
MX Priorities
- a.mx.ksf1.message-solution.de: 10
- b.mx.ksf1.message-solution.de: 10
A / AAAA Records
- 88.99.136.39 ↩ static.39.136.99.88.clients.your-server.de
Mail Server IPs
- 185.102.56.241 ↩ A.MX.KSF1.MESSAGE-SOLUTION.DE
- 185.102.56.242 ↩ B.MX.KSF1.MESSAGE-SOLUTION.DE
SOA Record
Raw SOA
ns1.bios-online.de hostmaster.adns2.de 2026032901 40000 7200 604800 86400
Primary NS (mname)
ns1.bios-online.de
Admin Email (rname)
hostmaster@adns2.de
Serial
2026032901
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.bios-online.de
ns2.bios-online.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:185.102.56.241/28 ipv4:88.99.136.39/26 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 a mx ip4:185.102.56.241/28 ipv4:88.99.136.39/26 -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 seagull-wasserfilter.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits