Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drnorten.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 08:28:29 UTC · ↺ Refresh
MX Hostnames
- mail.ude.nrw
MX Priorities
- mail.ude.nrw: 10
A / AAAA Records
- 193.30.121.201 ↩ srv.ude.nrw
Mail Server IPs
- 188.68.59.2 ↩ s1.ude.nrw
SOA Record
Raw SOA
dns.ude.nrw nic.ude.nrw 2025092101 7200 540 604800 3600
Primary NS (mname)
dns.ude.nrw
Admin Email (rname)
nic@ude.nrw
Serial
2025092101
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
dns.ude.nrw
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 mx a -all
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