Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibmb.tu-bs.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 13:25:25 UTC · ↺ Refresh
MX Hostnames
- mail.ibmb.bau.tu-bs.de
MX Priorities
- mail.ibmb.bau.tu-bs.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 134.169.23.99 ↩ mail.ibmb.bau.tu-bs.de
SOA Record
Raw SOA
rzdnsprime.rz.tu-bs.de noc.tu-bs.de 706290414 21600 3600 1814400 10800
Primary NS (mname)
rzdnsprime.rz.tu-bs.de
Admin Email (rname)
noc@tu-bs.de
Serial
706290414
Refresh
21600s
Retry
3600s
Expire
1814400s
Minimum TTL
10800s
Nameservers (NS)
rzdnsprime.rz.tu-bs.de
rzdnssecond.rz.tu-bs.de
deneb.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:134.169.23.99 ip4:134.169.12.128/27 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate 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 ip4:134.169.23.99 ip4:134.169.12.128/27 ~all
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