tzdo.de

Valid Email Server
Domain Lookup › tzdo.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 19:07:31 UTC · ↺ Refresh

MX Hostnames

  • mx1.tzdo.de

MX Priorities

  • mx1.tzdo.de: 30

A / AAAA Records

  • 157.97.108.3 ↩ ip157-97-108-3.pbiaas.com

Mail Server IPs

  • 149.232.255.226 ↩ mx1.tzdo.de

SOA Record

Raw SOA ns1-any.123ns.eu hostmaster.123ns.eu 2025112700 86400 7200 3600000 86400
Primary NS (mname)
ns1-any.123ns.eu
Admin Email (rname)
hostmaster@123ns.eu
Serial
2025112700
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1-any.123ns.eu
ns3-any.123ns.eu
ns4-any.123ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:149.232.255.226 include:ispgateway.de include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ 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 ip4:149.232.255.226 include:ispgateway.de include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr mx ~all
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