Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
udco.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 18:20:02 UTC · ↺ Refresh
MX Hostnames
- mail.udco.de
MX Priorities
- mail.udco.de: 10
A / AAAA Records
- 188.40.29.100 ↩ dedi3100.your-server.de
Mail Server IPs
- 188.40.29.100 ↩ dedi3100.your-server.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2022122900 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2022122900
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
robotns3.second-ns.com
robotns2.second-ns.de
ns1.first-ns.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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