Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
e-der.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 12:49:47 UTC · ↺ Refresh
MX Hostnames
- eder-de0c.mail.protection.outlook.com
- smtp-01.tld.t-online.de
- smtp-02.tld.t-online.de
MX Priorities
- eder-de0c.mail.protection.outlook.com: 0
- smtp-01.tld.t-online.de: 10
- smtp-02.tld.t-online.de: 10
A / AAAA Records
- 80.150.6.143 ↩ tld.t-online.de
- 2003:2:2:15:80:150:6:143 ↩ tld.t-online.de
Mail Server IPs
- 194.25.134.76 ↩ smtp-01.tld.t-online.de
- 194.25.134.12 ↩ smtp-02.tld.t-online.de
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2023090101 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2023090101
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns01-tld.t-online.de
dns02-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 include:spf.protection.outlook.com -all
Full email verification for e-der.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits