ifb.uni-stuttgart.de

Valid Email Server
Domain Lookup › ifb.uni-stuttgart.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ifb.uni-stuttgart.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 15:35:18 UTC · ↺ Refresh

MX Hostnames

  • mxex2.tik.uni-stuttgart.de
  • mxex1.tik.uni-stuttgart.de

MX Priorities

  • mxex2.tik.uni-stuttgart.de: 10
  • mxex1.tik.uni-stuttgart.de: 10

A / AAAA Records

  • 10.69.67.1 (no PTR)
  • 10.69.67.80 (no PTR)
  • 10.69.67.86 (no PTR)
  • 2001:7c0:2018:20a0::1 ↩ skipper.ifb.uni-stuttgart.de
  • 2001:7c0:2018:20a0::80 ↩ kowalski.ifb.uni-stuttgart.de
  • 2001:7c0:2018:20a0::86 ↩ sophos.ifb.uni-stuttgart.de

Mail Server IPs

  • 129.69.192.21 ↩ mxex2.tik.uni-stuttgart.de
  • 2001:7c0:2041:24::a:2 ↩ mxex2.tik.uni-stuttgart.de
  • 129.69.192.20 ↩ mxex1.tik.uni-stuttgart.de
  • 2001:7c0:2041:24::a:1 ↩ mxex1.tik.uni-stuttgart.de

SOA Record

Raw SOA tux.ifb.uni-stuttgart.de ifbsystem.ifb.uni-stuttgart.de 2026020505 86400 3600 3600000 3600
Primary NS (mname)
tux.ifb.uni-stuttgart.de
Admin Email (rname)
ifbsystem@ifb.uni-stuttgart.de
Serial
2026020505
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

dns-srv1.uni-stuttgart.de
dns-srv3.uni-stuttgart.net
dns-srv2.uni-stuttgart.edu

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mxex.uni-stuttgart.de include:_spf.mailrelay.uni-stuttgart.de -all
📊 DNS lookups: 2/10
✓ 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

2 records
  • SPFv=spf1 include:_spf.mxex.uni-stuttgart.de include:_spf.mailrelay.uni-stuttgart.de -all
  • google-site-verification=Y79SlRDOwh4Pq-t0g15oqZMyhZCPC1uJ0EUS9oSD2GU
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