siebiger.de

Valid Email Server
Domain Lookup › siebiger.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
siebiger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 05:14:35 UTC · ↺ Refresh

MX Hostnames

  • mail.siebiger.de

MX Priorities

  • mail.siebiger.de: 10

A / AAAA Records

  • 85.190.26.60 ↩ web1.hostthenet.de

Mail Server IPs

  • 85.190.26.55 ↩ mail1.hostthenet.de

SOA Record

Raw SOA ns1.first-ns.de hostmaster.siebiger.de 2026011603 21600 3600 864000 2560
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
hostmaster@siebiger.de
Serial
2026011603
Refresh
21600s
Retry
3600s
Expire
864000s
Minimum TTL
2560s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 a mx ?all
Full email verification for siebiger.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits