centaur.de

Valid Email Server
Domain Lookup › centaur.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
centaur.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 09:31:37 UTC · ↺ Refresh

MX Hostnames

  • spamfilter.centaur.de

MX Priorities

  • spamfilter.centaur.de: 10

A / AAAA Records

  • 217.30.50.64 (no PTR)

Mail Server IPs

  • 217.30.49.49 ↩ spamfilter.centaur.de

SOA Record

Raw SOA ns1.centaur-it.net do-not-reply.centaur.de 2026011308 43200 7200 1209600 86400
Primary NS (mname)
ns1.centaur-it.net
Admin Email (rname)
do-not-reply@centaur.de
Serial
2026011308
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.centaur-it.net
ns2.centaur-it.net
ns1.centaur-it.net
ns3.centaur-it.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:217.30.49.101 ip4:217.30.49.102 ip4:217.30.49.103 ip4:217.30.49.221 ip4:217.30.50.70 ip4:217.30.49.202 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

4 records
  • _globalsign-domain-verification=1OVQiJkAdDRNVUNBTxsf--gYfIemRsYQrjz2dn4pcn
  • antispam.centaur.de
  • SPFv=spf1 a mx ip4:217.30.49.101 ip4:217.30.49.102 ip4:217.30.49.103 ip4:217.30.49.221 ip4:217.30.50.70 ip4:217.30.49.202 ~all
  • seobility=f129740e8325c0d7b646dfa6a6c26c98
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