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
✗ MissingNo 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
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