sfm.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-30 21:40:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 45.144.187.21 (no PTR)

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.ecos.net domain.ecos.net 2026031104 43200 7200 1209600 86400
Primary NS (mname)
ns1.ecos.net
Admin Email (rname)
domain@ecos.net
Serial
2026031104
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.ecos.net
ns1.ecos.net

SPF Record

✓ Strict (-all)
v=spf1 mx a a:webmail.sfm.de include:spf.protection.outlook.com include:spf.emailsignatures365.com include:agenturserver.de -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • google-site-verification=tO_M-mMuQX16Fdhs5v3H13cqfBi8_gx8m1vvV_HFOhE
  • SPFv=spf1 mx a a:webmail.sfm.de include:spf.protection.outlook.com include:spf.emailsignatures365.com include:agenturserver.de -all
Full email verification for sfm.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits