Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-koblenz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 11:37:49 UTC · ↺ Refresh
MX Hostnames
- mx.uni-koblenz.de
MX Priorities
- mx.uni-koblenz.de: 5
A / AAAA Records
- 141.26.8.8 ↩ www.uni-koblenz.de
- 2001:4c80:50::808 ↩ www.uni-koblenz.de
Mail Server IPs
- 141.26.8.103 ↩ mx.uni-koblenz.de
- 2001:4c80:50::867 ↩ mx.uni-koblenz.de
SOA Record
Raw SOA
ns1.uni-koblenz.de hostmaster.uni-koblenz.de 2016430408 14400 900 172800 300
Primary NS (mname)
ns1.uni-koblenz.de
Admin Email (rname)
hostmaster@uni-koblenz.de
Serial
2016430408
Refresh
14400s
Retry
900s
Expire
172800s
Minimum TTL
300s
Nameservers (NS)
ns4.uni-koblenz.de
ns1.hosting.de
ns3.uni-koblenz.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.uni-koblenz.de include:spf-eu.exlibrisgroup.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; fo=1:d:s; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._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
5 records- google-site-verification=-NzmO1Ng5iBmd1fZQAGXMl0NgtIkCSrbGbuhzsv7F1s
- google-site-verification=vFBT5KbMvln7vs39Ly7EOladgpvvM2sfK_F2tcOz0mM
- adobe-idp-site-verification=710a406d97692e09a32ba298742d69982b85a7b69c71209fa11d0d099e2a64f4
- SPFv=spf1 mx include:spf.uni-koblenz.de include:spf-eu.exlibrisgroup.com -all
- MS=8A1FD6D9D2710623BCB91B020262CCE23A7A4FF9
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