s4m.de

Valid Email Server
Domain Lookup › s4m.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
s4m.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 17:39:37 UTC · ↺ Refresh

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MX Hostnames

  • s4m-de.mail.protection.outlook.com

MX Priorities

  • s4m-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 146.185.102.71 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA jean.ns.cloudflare.com dns.cloudflare.com 2412918006 10000 2400 604800 1800
Primary NS (mname)
jean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2412918006
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

pablo.ns.cloudflare.com
jean.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.servicemail24.de include:spf.protection.outlook.com include:spf.bert.group -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

4 records
  • atlassian-domain-verification=Kl3ByU1tsfV9fKiC7TDDZYz1uCeTeUo0SSEh5SitZ9q99Ua74O571fgiIg//j5Hn
  • docusign=6e711cc4-f441-4ffe-af82-83fdef32c195
  • SPFv=spf1 mx include:spf.servicemail24.de include:spf.protection.outlook.com include:spf.bert.group -all
  • MS=ms83972121
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