studienstiftung.de

Valid Email Server
Domain Lookup › studienstiftung.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 22:50:39 UTC · ↺ Refresh

MX Hostnames

  • b2261.mx.srv.dfn.de
  • c2261.mx.srv.dfn.de
  • a2261.mx.srv.dfn.de

MX Priorities

  • c2261.mx.srv.dfn.de: 10
  • a2261.mx.srv.dfn.de: 10
  • b2261.mx.srv.dfn.de: 10

A / AAAA Records

  • 136.243.163.187 ↩ dedi5160.your-server.de

Mail Server IPs

  • 194.95.238.189 ↩ c2261.mx.srv.dfn.de
  • 194.95.232.189 ↩ a2261.mx.srv.dfn.de
  • 194.95.234.189 ↩ b2261.mx.srv.dfn.de

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2025111801 40000 7200 604800 3600
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2025111801
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Strict (-all)
v=spf1 mx:s2262.mx.srv.dfn.de ip4:195.37.184.94 ip4:195.37.184.91 ip4:195.37.184.89 ip4:136.243.163.187 ip4:194.95.249.4 ip4:92.51.171.103 ip4:80.237.190.108 ip4:136.243.13.126 include:spf.mailsupport.dfn.de include:kundenmailing.net include:spf.de.umantis.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • MS=AD6EA211F10EB28F50B0E14D0B68885972C50D1F
  • google-site-verification=IXec1xk4ytKpu6lkMLpHsOv2GDHB1Q5qowjKUcHvhIg
  • SPFv=spf1 mx:s2262.mx.srv.dfn.de ip4:195.37.184.94 ip4:195.37.184.91 ip4:195.37.184.89 ip4:136.243.163.187 ip4:194.95.249.4 ip4:92.51.171.103 ip4:80.237.190.108 ip4:136.243.13.126 include:spf.mailsupport.dfn.de include:kundenmailing.net include:spf.de.umantis.com -all
Full email verification for studienstiftung.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits