Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dagstuhl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 06:43:15 UTC · ↺ Refresh
MX Hostnames
- c2761.mx.srv.dfn.de
- a2761.mx.srv.dfn.de
- b2761.mx.srv.dfn.de
MX Priorities
- a2761.mx.srv.dfn.de: 10
- b2761.mx.srv.dfn.de: 10
- c2761.mx.srv.dfn.de: 10
A / AAAA Records
- 192.76.146.114 ↩ larissa.dagstuhl.de
Mail Server IPs
- 194.95.233.53 ↩ a2761.mx.srv.dfn.de
- 194.95.235.53 ↩ b2761.mx.srv.dfn.de
- 194.95.239.53 ↩ c2761.mx.srv.dfn.de
SOA Record
Raw SOA
ns.dagstuhl.de net.dagstuhl.de 2026032001 3600 600 1209600 3600
Primary NS (mname)
ns.dagstuhl.de
Admin Email (rname)
net@dagstuhl.de
Serial
2026032001
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns1.belwue.de
ernst.dagstuhl.de
ns.dagstuhl.de
ns.uni-saarland.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.76.146.9 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
2 records- SPFv=spf1 ip4:192.76.146.9 -all
- google-site-verification=8RhBYLkLekYzw3OLqgPcL0H8dP5Bm51ibbUSZK5Vhiw
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