Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cs.fau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:17:33 UTC · ↺ Refresh
MX Hostnames
- mx-rz-2.rrze.uni-erlangen.de
- mx-rz-1.rrze.uni-erlangen.de
- mx-rz-3.rrze.uni-erlangen.de
MX Priorities
- mx-rz-1.rrze.uni-erlangen.de: 10
- mx-rz-3.rrze.uni-erlangen.de: 10
- mx-rz-2.rrze.uni-erlangen.de: 10
A / AAAA Records
- 131.188.40.99 ↩ departmentwww.informatik.uni-erlangen.de
- 2001:638:a000:4140::ffff:99 ↩ departmentwww.informatik.uni-erlangen.de
Mail Server IPs
- 131.188.11.20 ↩ mx-rz-1.rrze.uni-erlangen.de
- 2001:638:a000:1025::14 ↩ mx-rz-1.rrze.uni-erlangen.de
- 131.188.11.22 ↩ mx-rz-3.rrze.uni-erlangen.de
- 2001:638:a000:1025::16 ↩ mx-rz-3.rrze.uni-erlangen.de
- 131.188.11.21 ↩ mx-rz-2.rrze.uni-erlangen.de
- 2001:638:a000:1025::15 ↩ mx-rz-2.rrze.uni-erlangen.de
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:131.188.0.0/16 ip6:2001:638:a000::/48 ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no 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 mx ip4:131.188.0.0/16 ip6:2001:638:a000::/48 ?all
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