Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tf.uni-kiel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:36:45 UTC · ↺ Refresh
MX Hostnames
- a2001.mx.srv.dfn.de
- b2001.mx.srv.dfn.de
- c2001.mx.srv.dfn.de
MX Priorities
- c2001.mx.srv.dfn.de: 50
- a2001.mx.srv.dfn.de: 50
- b2001.mx.srv.dfn.de: 50
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 194.95.238.152 ↩ c2001.mx.srv.dfn.de
- 2001:638:d:c303:acdc:1979:2:7e ↩ c2001.mx.srv.dfn.de
- 194.95.232.152 ↩ a2001.mx.srv.dfn.de
- 2001:638:d:c301:acdc:1979:2:7e ↩ a2001.mx.srv.dfn.de
- 194.95.234.152 ↩ b2001.mx.srv.dfn.de
- 2001:638:d:c302:acdc:1979:2:7e ↩ b2001.mx.srv.dfn.de
SOA Record
Raw SOA
ns1.rz.uni-kiel.de dns.rz.uni-kiel.de 2026032301 21600 3600 1209600 10800
Primary NS (mname)
ns1.rz.uni-kiel.de
Admin Email (rname)
dns@rz.uni-kiel.de
Serial
2026032301
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns3.rz.uni-kiel.de
ns1.rz.uni-kiel.de
ns2.rz.uni-kiel.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:134.245.247.64/27 include:_spf.uni-kiel.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 ip4:134.245.247.64/27 include:_spf.uni-kiel.de ~all
- ZOOM_verify_A1OvuPIEENUQBx1ptnIQ7L
- google-site-verification=e9v-0xEyjOUsqhkpowkzEev_O4iVo90QtznJ2J-JV9o
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