stmartin-dku.de

Valid Email Server
Domain Lookup › stmartin-dku.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stmartin-dku.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 23:18:58 UTC · ↺ Refresh

MX Hostnames

  • mx.syscon.biz

MX Priorities

  • mx.syscon.biz: 5

A / AAAA Records

  • 85.10.213.160 ↩ dedi360.your-server.de

Mail Server IPs

  • 185.169.56.36 ↩ mx.syscon.biz

SOA Record

Raw SOA ns1039.ui-dns.biz hostmaster.schlund.de 2017072219 28800 7200 604800 300
Primary NS (mname)
ns1039.ui-dns.biz
Admin Email (rname)
hostmaster@schlund.de
Serial
2017072219
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1039.ui-dns.org
ns1039.ui-dns.com
ns1039.ui-dns.biz
ns1039.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.169.56.36 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

4 records
  • MS=A98CD702F9480906C923B40C7E10003AAC10FB9A
  • MS=ms96888830
  • google-site-verification=wGjmeWcrM7FLC6ycbfE_IP1eIKQTIF2KfyVVx-X1B8c
  • SPFv=spf1 ip4:185.169.56.36 include:spf.protection.outlook.com -all
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