karlsruher.de

Valid Email Server
Domain Lookup › karlsruher.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
karlsruher.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 09:48:32 UTC · ↺ Refresh

MX Hostnames

  • mail2.ww-informatik.de
  • mail1.ww-informatik.de

MX Priorities

  • mail1.ww-informatik.de: 101
  • mail2.ww-informatik.de: 101

A / AAAA Records

  • 195.95.137.226 ↩ www.wuerttembergische.de

Mail Server IPs

  • 195.95.137.252 ↩ mail1.ww-informatik.de
  • 195.95.137.253 ↩ mail2.ww-informatik.de

SOA Record

Raw SOA a.ns.ecotel.net hostmaster.ww-informatik.de 2013021918 21600 7200 1209600 300
Primary NS (mname)
a.ns.ecotel.net
Admin Email (rname)
hostmaster@ww-informatik.de
Serial
2013021918
Refresh
21600s
Retry
7200s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

a.ns.ecotel.net
b.ns.ecotel.net
c.ns.ecotel.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:195.95.137.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • swisssign-check=PqrMtcamP9q0iEmuyHAjrG1KbWw
  • 708bkqsxvsy2mqgpxfqgzpql79zpvfhj
  • 9W/VvbDL66ezYIIwJ6E1aMzBaGk8rCRND3Du9+7g/GKw7mILIP7K94SslDQkQt3POS+/Z9HQDcZ/g4/HTDE40w==
  • SPFv=spf1 mx ip4:195.95.137.0/24 include:spf.protection.outlook.com -all
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