hochschule-heidelberg.de

No Valid Email Server
Domain Lookup › hochschule-heidelberg.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
hochschule-heidelberg.de
No
None
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 14:34:51 UTC · ↺ Refresh

MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 116.203.15.52 ↩ static.52.15.203.116.clients.your-server.de

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA a.regfish-ns.net dns.regfish-ns.net 1749794614 28800 7200 604800 86400
Primary NS (mname)
a.regfish-ns.net
Admin Email (rname)
dns@regfish-ns.net
Serial
1749794614
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

b.regfish-ns.net
c.regfish-ns.net
a.regfish-ns.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:193.197.74.49 ip4:141.19.230.36 ip4:141.19.230.34 ip4:141.19.230.20 -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

3 records
  • MS=ms19508604
  • MS=B757371E33ABB1E4BF60DBEB6CCE9D9BE73F9AB2
  • SPFv=spf1 mx ip4:193.197.74.49 ip4:141.19.230.36 ip4:141.19.230.34 ip4:141.19.230.20 -all
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