creos.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
creos.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 07:11:49 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 193.31.26.127 ↩ deepthought.creos.de

Mail Server IPs

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

SOA Record

Raw SOA service.creos.de domain.nacura.de 2025061882 3600 600 1209600 3600
Primary NS (mname)
service.creos.de
Admin Email (rname)
domain@nacura.de
Serial
2025061882
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

b.ns14.net
d.ns14.net
c.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:62.54.212.170 include:spf.crsend.com include:spf.mail.nacura.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=none
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • google-site-verification=WEk_U6XLcR9KFJveayYIvJBy5Il0kO7Bt6SIVzYeqGs
  • MS=13F28E8AB7C6CE80C0C5AD09EA5F9C14ACA98C75
  • SPFv=spf1 a mx ip4:62.54.212.170 include:spf.crsend.com include:spf.mail.nacura.de include:spf.protection.outlook.com -all
  • _globalsign-domain-verification=JgrhJAJfb1iMG7FAkyXfDFBwV3bB3-4dZFnAlkdjwZ
  • samsung-domain-verification=f7a3982e-70ae-487c-a1c2-81b87f6b1a5c
  • adobe-idp-site-verification=ae64f659d4499b23e4ca1990747c0215ccdc2916adeb1e442cd366dbd1d4c6b9
  • google-site-verification=PMjMLAgTvWeJRYg3w7lKpMmQF7xlocmLZ2IOw47jHv8
  • MS=ms94887591
  • verifyvs=20250731155608427c7cd943b75c4248078b0e81e8b86d
Full email verification for creos.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits