dr-schreier.de

Valid Email Server
Domain Lookup › dr-schreier.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-schreier.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 10:16:07 UTC · ↺ Refresh

MX Hostnames

  • drschreier-de0e.mail.protection.outlook.com

MX Priorities

  • drschreier-de0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 85.236.50.204 ↩ s04.netzfokus.de
  • 2001:4178:6:1230:85:236:50:204 ↩ s04.netzfokus.de

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.netzfokus.de hostmaster.netzfokus.de 2024011600 43200 7200 1209600 300
Primary NS (mname)
ns01.netzfokus.de
Admin Email (rname)
hostmaster@netzfokus.de
Serial
2024011600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns01.netzfokus.de
ns03.netzfokus.com
ns02.netzfokus.de
ns04.netzfokus.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

2 records
  • MS=ms43748950
  • SPFv=spf1 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for dr-schreier.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits