Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kalter-tee.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 00:35:27 UTC · ↺ Refresh
MX Hostnames
- mail.kalter-tee.de
MX Priorities
- mail.kalter-tee.de: 10
A / AAAA Records
- 37.120.160.67 ↩ mail.seqbit.com
Mail Server IPs
- 37.120.160.67 ↩ mail.seqbit.com
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2023112200 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2023112200
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.inwx.de
ns.inwx.de
ns3.inwx.eu
SPF Record
✓ Strict (-all)
v=spf1 include:seqbit.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 include:seqbit.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 kalter-tee.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits