cedrob.de

Valid Email Server
Domain Lookup › cedrob.de

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
cedrob.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-17 23:58:46 UTC · ↺ Refresh

MX Hostnames

  • mail.cedrob.com.pl
  • poczta2.cedrob.com.pl
  • poczta.cedrob.com.pl

MX Priorities

  • poczta2.cedrob.com.pl: 30
  • mail.cedrob.com.pl: 40
  • poczta.cedrob.com.pl: 20

A / AAAA Records

  • 89.31.143.90 (no PTR)

Mail Server IPs

  • 37.128.90.146 ↩ poczta2.cedrob.com.pl
  • 37.128.90.156 ↩ mail.cedrob.com.pl
  • 37.128.90.154 ↩ poczta.cedrob.com.pl

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2023112402 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2023112402
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.org
ns.udag.net
ns.udag.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a mx ip4:37.128.90.144/28 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com a mx ip4:37.128.90.144/28 -all
  • @ MS=ms96612718 3600
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