dk-buero.de

Valid Email Server
Domain Lookup › dk-buero.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dk-buero.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 18:02:41 UTC · ↺ Refresh

MX Hostnames

  • mail.peritus.de
  • mail2.peritus.de

MX Priorities

  • mail2.peritus.de: 5
  • mail.peritus.de: 0

A / AAAA Records

  • 130.180.9.182 ↩ ip-130-180-009-182.um40.pools.vodafone-ip.de

Mail Server IPs

  • 130.180.9.181 ↩ mail2.peritus.de
  • 37.24.53.211 ↩ mail.peritus.de

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2025102028 28800 7200 604800 3600
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2025102028
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

cns3.alfahosting.info
cns2.alfahosting.info
cns1.alfahosting.info

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:130.180.9.181 ip4:37.24.226.22 ip4:130.180.9.180 ip4:37.24.226.23 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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 mx ip4:130.180.9.181 ip4:37.24.226.22 ip4:130.180.9.180 ip4:37.24.226.23 include:spf.protection.outlook.com -all
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