Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
patents.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:26:24 UTC · ↺ Refresh
MX Hostnames
- relayn.net4sec.com
MX Priorities
- relayn.net4sec.com: 10
A / AAAA Records
- 88.99.62.140 ↩ static.140.62.99.88.clients.your-server.de
Mail Server IPs
- 103.234.235.20 ↩ relayn.net4sec.com
SOA Record
Raw SOA
ns1.netpilot.net hostmaster.netpilot.net 2024070602 28800 7200 604800 86400
Primary NS (mname)
ns1.netpilot.net
Admin Email (rname)
hostmaster@netpilot.net
Serial
2024070602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.netpilot.net
ns2.netpilot.net
ns3.netpilot.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:netpilot.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s; aspf=s; rf=afrf
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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 include:netpilot.net -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 patents.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits