Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cit-ec.uni-bielefeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 14:14:12 UTC · ↺ Refresh
MX Hostnames
- gw1.mail.techfak.net
- gw2.mail.techfak.net
- mx-last.techfak.net
MX Priorities
- gw1.mail.techfak.net: 100
- gw2.mail.techfak.net: 100
- mx-last.techfak.net: 300
A / AAAA Records
- 129.70.142.118 ↩ clfwww.SRV.CIT-EC.NET
- 2001:638:504:2040::118 ↩ clfwww.SRV.CIT-EC.NET
Mail Server IPs
- 129.70.137.27 ↩ gw1.mail.techfak.net
- 2001:638:504:2014::27 ↩ gw1.mail.techfak.NET
- 129.70.137.28 ↩ gw2.mail.techfak.net
- 2001:638:504:2014::28 ↩ gw2.mail.techfak.NET
- 129.70.136.156 ↩ mx-last.TechFak.NET
SOA Record
Raw SOA
dns.techfak.uni-bielefeld.de hostmaster.techfak.uni-bielefeld.de 2026033001 21600 1800 3600000 3600
Primary NS (mname)
dns.techfak.uni-bielefeld.de
Admin Email (rname)
hostmaster@techfak.uni-bielefeld.de
Serial
2026033001
Refresh
21600s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
auth0.dns.techfak.uni-bielefeld.de
dns3.belwue.de
auth1.dns.techfak.uni-bielefeld.de
auth-ext0.dns.techfak.net
dns1.belwue.de
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.techfak.net
📊 DNS lookups: 1/10
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
3 records- SPFv=spf1 redirect=_spf.techfak.net
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