sdfe.de

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

Domain Overview

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

Checked via [email protected] · 2026-09-04 18:07:19 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 116.203.116.104 ↩ static.104.116.203.116.clients.your-server.de

Mail Server IPs

  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026030900 14400 1800 604800 900
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026030900
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.nl2go.com include:spf.protection.outlook.com include:agenturserver.de ip4:138.201.5.226 -all
📊 DNS lookups: 5/10
✓ 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
  • SPFv=spf1 mx a include:spf.nl2go.com include:spf.protection.outlook.com include:agenturserver.de ip4:138.201.5.226 -all
  • MS=E98EF3BD17669873D242CC0D18AD77D6DD4A9B3E
  • MS=ms51047322
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