steffen.de

Valid Email Server
Domain Lookup › steffen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steffen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 01:19:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • steffen-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.191 ↩ 217-160-0-191.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::286 ↩ 2001-08d8-100f-f000-0000-0000-0000-0286.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA dns12.ovh.net tech.ovh.net 2020102800 86400 3600 3600000 300
Primary NS (mname)
dns12.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2020102800
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
300s

Nameservers (NS)

ns12.ovh.net
dns12.ovh.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

5 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 1|http://teamsteffen-ag.de/
  • zone-ownership-verification-31d92723a609c8d2869d8c10bede13c9411f385db8b5927b76ea69402346e827
  • google-site-verification=m8b9km5SEXdVeLdDbO3YhZTA3nIYNNnssQBjbYVkDRc
  • MS=ms37174022
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