devex-gmbh.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
devex-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 15:13:09 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • devexgmbh-de01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 5.75.191.219 ↩ dedivirt3417.your-server.de
  • 2a01:4f8:1c1e:f32f::2 ↩ dedivirt3417.your-server.de

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.one.com hostmaster.one.com 2026033110 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026033110
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns01.one.com
ns02.one.com

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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • amazon-business-verification=e136645dfeada0cdbde4a95d7502493579e6d2139116f122d95595fbcbbd98c0
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms57505937
  • google-site-verification=56g9QmBZ9ZGgfkKqQo9zIn8Zyl7Itk9h1iXqsPPH78U
  • google-site-verification=8Bs-JQlEa28e1JTHeIsPms_RZqreofAIWuF6iqBLdc4
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