Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dfg-viewer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 07:44:04 UTC · ↺ Refresh
MX Hostnames
- mailgate.slub-dresden.de
MX Priorities
- mailgate.slub-dresden.de: 5
A / AAAA Records
- 194.95.145.4 ↩ b45004.slub-dresden.de
Mail Server IPs
- 194.95.142.113 ↩ mailgate.slub-dresden.de
SOA Record
Raw SOA
albert.slub-dresden.de hostmaster.slub-dresden.de 2026030411 10800 1800 1209600 14400
Primary NS (mname)
albert.slub-dresden.de
Admin Email (rname)
hostmaster@slub-dresden.de
Serial
2026030411
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
sdvdns2.slub-dresden.de
albert.slub-dresden.de
robotns3.second-ns.com
robotns2.second-ns.de
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:slub-dresden.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 include:slub-dresden.de -all
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