Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-mannheim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 16:24:05 UTC · ↺ Refresh
MX Hostnames
- proxmox-mg2.uni-mannheim.de
- proxmox-mg3.uni-mannheim.de
- proxmox-mg1.uni-mannheim.de
MX Priorities
- proxmox-mg2.uni-mannheim.de: 5
- proxmox-mg3.uni-mannheim.de: 5
- proxmox-mg1.uni-mannheim.de: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 134.155.96.5 ↩ proxmox-mg2.uni-mannheim.de
- 2001:7c0:2900:60::869b:6005 ↩ proxmox-mg2.uni-mannheim.de
- 134.155.96.6 ↩ proxmox-mg3.uni-mannheim.de
- 2001:7c0:2900:60::869b:6006 ↩ proxmox-mg3.uni-mannheim.de
- 134.155.96.104 ↩ proxmox-mg1.uni-mannheim.de
- 2001:7c0:2900:60::869b:6068 ↩ proxmox-mg1.uni-mannheim.de
SOA Record
Raw SOA
dns.uni-mannheim.de dnsadmin.mail.uni-mannheim.de 2026089165 3600 1800 3600000 3600
Primary NS (mname)
dns.uni-mannheim.de
Admin Email (rname)
dnsadmin@mail.uni-mannheim.de
Serial
2026089165
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
dns3.belwue.de
dns2.uni-mannheim.de
dns1.uni-mannheim.de
dns3.uni-mannheim.de
dns1.belwue.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:smtp.mail.uni-mannheim.de a:sapmail.bwhsrw.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- l05J1b8RCmWUIdiEdf8lsFXTgnK+JJyO7ChJhkDa5mRCU29BYHM0x42eEkdfBdlVPKH25Ec970n0MuTUu73e7w==
- MS=5C940BB0AE08C25C9B2005790594703D3E6738F2
- google-site-verification=hjNaUkKKXqMgskqCvXiQZ6z3FgiqD_b_3WcMZ9Jnqqc
- apple-domain-verification=TCoQCRktvOKuEsGj
- HARICA-nBDdn0MBll71F7zPVbe
- adobe-idp-site-verification=726793ff3dea185510f9ff9c8cc374adaf6ec9a8fe5bca96496d01f5eec78361
- SPFv=spf1 mx a:smtp.mail.uni-mannheim.de a:sapmail.bwhsrw.de include:spf.protection.outlook.com -all
- docusign=a54ceab8-efac-4862-956d-974be66efdb2
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