Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swg-stralsund.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 10:25:52 UTC · ↺ Refresh
MX Hostnames
- s139.swg-stralsund.de
MX Priorities
- s139.swg-stralsund.de: 10
A / AAAA Records
- 195.192.128.197 (no PTR)
Mail Server IPs
- 185.21.125.139 ↩ s139.swg-stralsund.de
SOA Record
Raw SOA
ns1.routing.net hostmaster.swg-stralsund.de 2025061301 86400 7200 2419200 900
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
hostmaster@swg-stralsund.de
Serial
2025061301
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns1.routing.net
ns3.routing.net
ns2.routing.net
SPF Record
✓ Strict (-all)
v=spf1 a mx a:custmail.immosolve.eu include:mailout1.mandarin-medien.de -all
📊 DNS lookups: 4/10
✓ 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- SPFv=spf1 a mx a:custmail.immosolve.eu include:mailout1.mandarin-medien.de -all
- MS=1EBCB6E4DE82CA8113D0DC16E445E8B868AFF273
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