osnabrueck.de

Valid Email Server
Domain Lookup › osnabrueck.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
osnabrueck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 16:29:34 UTC · ↺ Refresh

MX Hostnames

  • mail1x.osnabrueck.de
  • mail2x.osnabrueck.de

MX Priorities

  • mail2x.osnabrueck.de: 20
  • mail1x.osnabrueck.de: 20

A / AAAA Records

  • 212.1.56.139 ↩ vm47318.psmanaged.com

Mail Server IPs

  • 80.228.87.4 ↩ mail2x.osnabrueck.de
  • 80.228.87.5 ↩ mail1x.osnabrueck.de

SOA Record

Raw SOA a.ns14.net dns.itebo.de 2026010804 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
dns@itebo.de
Serial
2026010804
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

a.ns14.net
c.ns14.net
d.ns14.net
b.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 a mx a:osnabrueck.marcant.net ip4:194.45.37.19 ip4:92.205.193.153 include:spf.itebo.de include:spfhard.crsend.com ip4:80.67.18.126 ip4:185.121.204.0/24 ip4:91.249.248.100 include:_se_net.axiell.com include:_uk.axiell.com include:spf.protection.outlook.com ip4:87.54.30.56 include:spf.niedersachsen.de -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

5 records
  • 25reports=6df4fba571f4133cc91226f3
  • SPFv=spf1 a mx a:osnabrueck.marcant.net ip4:194.45.37.19 ip4:92.205.193.153 include:spf.itebo.de include:spfhard.crsend.com ip4:80.67.18.126 ip4:185.121.204.0/24 ip4:91.249.248.100 include:_se_net.axiell.com include:_uk.axiell.com include:spf.protection.outlook.com ip4:87.54.30.56 include:spf.niedersachsen.de -all
  • swisssign-check=Mnj1tNha_kbQXdqrjrLfaRvKOv4
  • swisssign-check=4eCTbY8s809JSA-ir4EVQDP6Dig
  • atlassian-domain-verification=pNEy9fzODY5sWbKLjawiSqpZbIM8QhaQuGascBElIquS9EyYEaoNMVU2Zsc0t80l
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