Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-bielefeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 16:38:55 UTC · ↺ Refresh
MX Hostnames
- b2631.mx.srv.dfn.de
- c2631.mx.srv.dfn.de
- a2631.mx.srv.dfn.de
MX Priorities
- a2631.mx.srv.dfn.de: 50
- b2631.mx.srv.dfn.de: 50
- c2631.mx.srv.dfn.de: 50
A / AAAA Records
- 129.70.240.4 ↩ uni-bielefeld.de
Mail Server IPs
- 194.95.233.33 ↩ a2631.mx.srv.dfn.de
- 194.95.235.33 ↩ b2631.mx.srv.dfn.de
- 194.95.239.33 ↩ c2631.mx.srv.dfn.de
SOA Record
Raw SOA
ns1.uni-bielefeld.de hostmaster.uni-bielefeld.de 793421856 10800 1800 2419200 3600
Primary NS (mname)
ns1.uni-bielefeld.de
Admin Email (rname)
hostmaster@uni-bielefeld.de
Serial
793421856
Refresh
10800s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.uni-bielefeld.de
dns-2.dfn.de
ns2.uni-bielefeld.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:129.70.4.0/24 ip4:129.70.204.0/24 ip4:129.70.208.0/24 ip4:129.70.43.192/26 include:spf.sendinblue.com include:_spf.o263.mx.srv.dfn.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
mail._domainkey
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- HARICA-fRmzbLAdUxAk4G981UI
- apple-domain-verification=t4s8f87S8M1zYndy
- sendinblue-code:a35d677f130498f670bd551fe31ae3f4
- MS=8764D5ABE038806624DD4192154D0344B26D3419
- adobe-idp-site-verification=3d1e550ccbef00ecf478dfb339156a49d8b78166961a42320ece2ed4a902fbcd
- google-site-verification=T5xNbHbPGhlsAAVo-jhf9bCnqHu--GISvf6fh4J2GDs
- SPFv=spf1 ip4:129.70.4.0/24 ip4:129.70.204.0/24 ip4:129.70.208.0/24 ip4:129.70.43.192/26 include:spf.sendinblue.com include:_spf.o263.mx.srv.dfn.de ~all
- mindmanager-verification=c59b5cfe5aa2bef46104537a9486abf3237366c8074a1a14a3bf7843e5b2bf25
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