Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swg-altenburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:20:05 UTC · ↺ Refresh
MX Hostnames
- mx00.kundenserver.de
- mx01.kundenserver.de
- mail.swg-altenburg.de
MX Priorities
- mail.swg-altenburg.de: 10
- mx00.kundenserver.de: 20
- mx01.kundenserver.de: 21
A / AAAA Records
- 5.9.66.154 ↩ static.154.66.9.5.clients.your-server.de
Mail Server IPs
- 217.86.209.239 ↩ mail.swg-altenburg.de
- 212.227.15.41 ↩ mx00.kundenserver.de
- 217.72.192.67 ↩ mx01.kundenserver.de
SOA Record
Raw SOA
ns1043.ui-dns.de hostmaster.schlund.de 2017051823 28800 7200 604800 300
Primary NS (mname)
ns1043.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2017051823
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1043.ui-dns.biz
ns1043.ui-dns.org
ns1043.ui-dns.com
ns1043.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf-eu.ionos.com -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
2 records- MS=51712BEB72A970CDD0F2E5EBD04EE085F3FA3861
- SPFv=spf1 mx include:_spf-eu.ionos.com -all
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