sw-os.de

Valid Email Server
Domain Lookup › sw-os.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sw-os.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 19:11:56 UTC · ↺ Refresh

MX Hostnames

  • sw-os-de.mail.cloud.nospamproxy.com

MX Priorities

  • sw-os-de.mail.cloud.nospamproxy.com: 10

A / AAAA Records

  • 185.166.22.26 ↩ shared-clump0207-web.agenturserver.it

Mail Server IPs

  • 193.37.132.171 ↩ de-s01-gw2.mail.cloud.nospamproxy.com
  • 193.37.132.131 ↩ de-s01-gw1.mail.cloud.nospamproxy.com

SOA Record

Raw SOA dns-1.serv.uni-osnabrueck.de dnsadmin.uni-osnabrueck.de 767896894 3602 1802 1209600 1202
Primary NS (mname)
dns-1.serv.uni-osnabrueck.de
Admin Email (rname)
dnsadmin@uni-osnabrueck.de
Serial
767896894
Refresh
3602s
Retry
1802s
Expire
1209600s
Minimum TTL
1202s

Nameservers (NS)

dns-2.serv.uni-osnabrueck.de
dns-3.serv.uni-osnabrueck.de
dns-1.serv.uni-osnabrueck.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:131.173.252.33 include:spf.protection.outlook.com include:spf.sw-os-de.cloud.nospamproxy.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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

3 records
  • MS=ms13006771
  • e6Wo9hEEQ+Qfsv4VjWS/9CWl1IFDKoBoiMhhxfMX69c=
  • SPFv=spf1 ip4:131.173.252.33 include:spf.protection.outlook.com include:spf.sw-os-de.cloud.nospamproxy.com -all
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