stud.uni-heidelberg.de

Valid Email Server
Domain Lookup › stud.uni-heidelberg.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
stud.uni-heidelberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 10:58:04 UTC · ↺ Refresh

MX Hostnames

  • relay.uni-heidelberg.de
  • relay3.uni-heidelberg.de
  • relay2.uni-heidelberg.de

MX Priorities

  • relay.uni-heidelberg.de: 10
  • relay2.uni-heidelberg.de: 10
  • relay3.uni-heidelberg.de: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 129.206.100.212 ↩ relay.uni-heidelberg.de
  • 129.206.119.212 ↩ relay2.uni-heidelberg.de
  • 129.206.100.213 ↩ relay3.uni-heidelberg.de

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 ip4:129.206.100.212 ip4:129.206.119.212 ip4:129.206.100.213 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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 ip4:129.206.100.212 ip4:129.206.119.212 ip4:129.206.100.213 include:spf.protection.outlook.com -all
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