Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
birstein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:41:56 UTC · ↺ Refresh
MX Hostnames
- mx02.kitus.de
- mx01.kitus.de
MX Priorities
- mx02.kitus.de: 20
- mx01.kitus.de: 10
A / AAAA Records
- 83.246.50.11 (no PTR)
Mail Server IPs
- 151.189.187.242 ↩ mail.kwmk.de
- 82.135.113.113 ↩ mail.kwmk.de
SOA Record
Raw SOA
pns01.dcsix.net hostmaster.dcsix.net 2026020201 14400 3600 604800 600
Primary NS (mname)
pns01.dcsix.net
Admin Email (rname)
hostmaster@dcsix.net
Serial
2026020201
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pns01.dcsix.net
pns02.dcsix.net
SPF Record
✓ Strict (-all)
v=spf1 include:kitus.de include:ekom21.de include:nets1.spf.messagelabs.com include:nets2.spf.messagelabs.com ip4:83.246.40.2 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:kitus.de include:ekom21.de include:nets1.spf.messagelabs.com include:nets2.spf.messagelabs.com ip4:83.246.40.2 -all
- MS=ms65555077
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