swtro.de

Valid Email Server
Domain Lookup › swtro.de

Domain Overview

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

Checked via [email protected] · 2026-04-04 17:12:54 UTC · ↺ Refresh

MX Hostnames

  • mx01.swtro.de

MX Priorities

  • mx01.swtro.de: 0

A / AAAA Records

  • 195.90.221.194 ↩ dione.i-st.net

Mail Server IPs

  • 80.149.178.58 ↩ mx01.stadtwerke-trossingen.de

SOA Record

Raw SOA ns2.i-st.net info.swtro.de 2025042501 10800 3600 604800 10800
Primary NS (mname)
ns2.i-st.net
Admin Email (rname)
info@swtro.de
Serial
2025042501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns.i-st.net
ns2.i-st.net

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:mx01.swtro.de ip4:80.149.178.58/29 ip4:87.190.50.112/29 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

5 records
  • MS=7DE7F3AE22B92313A55FCC356A25F8AFE3E48E5F
  • SPFv=spf1 mx a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:mx01.swtro.de ip4:80.149.178.58/29 ip4:87.190.50.112/29 -all
  • sophos-domain-verification=f6207ab6e418fefb7c363303474721f15c3b7fdd701860474b2d9350d22cd3a0
  • MS=ms21256460
  • OyQTSs6sgfCuTkAPOrMJuh4316+Mm8VE0q86NaOSKcWO9Jd2zNe4nYCeC1qdV8J46e/IKeM0pApZykO7OXS5pg==
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