optik-schuerholz.de

Valid Email Server
Domain Lookup › optik-schuerholz.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
optik-schuerholz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 22:16:30 UTC · ↺ Refresh

MX Hostnames

  • optikschuerholz-de01c.mail.protection.outlook.com

MX Priorities

  • optikschuerholz-de01c.mail.protection.outlook.com: 10

A / AAAA Records

  • 91.184.32.134 ↩ saul.speedpartner.de
  • 2a01:198::2:0:0:0:6 ↩ saul.speedpartner.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dnspartner.de hostmaster.speedpartner.de 2026040201 28800 7200 604800 86400
Primary NS (mname)
ns1.dnspartner.de
Admin Email (rname)
hostmaster@speedpartner.de
Serial
2026040201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.dnspartner.de
ns1.dnspartner.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • google-site-verification=rl2_T_O7SzT4R2JzCjapCmyowSAmcJ8uJ240bVp9MMM
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 optik-schuerholz.de

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

No credit card required
Get 1,000 Free Credits