s-u-p-e-r.de

Valid Email Server
Domain Lookup › s-u-p-e-r.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
s-u-p-e-r.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 09:01:02 UTC · ↺ Refresh

MX Hostnames

  • super-de0kk.mail.protection.outlook.com

MX Priorities

  • super-de0kk.mail.protection.outlook.com: 10

A / AAAA Records

  • 167.235.197.158 ↩ static.158.197.235.167.clients.your-server.de

Mail Server IPs

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

SOA Record

Raw SOA ns1107.ui-dns.org hostmaster.1und1.de 2017053027 28800 7200 604800 300
Primary NS (mname)
ns1107.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017053027
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1107.ui-dns.org
ns1107.ui-dns.de
ns1107.ui-dns.com
ns1107.ui-dns.biz

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

3 records
  • v=verifydomain MS=7019191
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=45TSjOS2cJZUBpRjpIs-2enKdxZyoUV2JU1i5r8Q8eU
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 s-u-p-e-r.de

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

No credit card required
Get 1,000 Free Credits