occ-gmbh.de

Valid Email Server
Domain Lookup › occ-gmbh.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 18:36:51 UTC · ↺ Refresh

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MX Hostnames

  • occgmbh-de0i.mail.protection.outlook.com

MX Priorities

  • occgmbh-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 188.40.28.135 ↩ dedi3405.your-server.de
  • 2a01:4f8:d0a:11c6::2 ↩ dedi3405.your-server.de

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mainns.de it\.netzwerk.dus.de 1773275179 10800 3600 604800 300
Primary NS (mname)
ns1.mainns.de
Admin Email (rname)
it\@netzwerk.dus.de
Serial
1773275179
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns3.mainns.net
ns1.mainns.de
ns2.mainns.eu

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:194.29.224.0/19 ip4:91.102.8.0/21 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 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

4 records
  • MS=ms59587708
  • 7t2kfvq79lc3lnqny5j5pp854j0gkw8d
  • SPFv=spf1 mx ip4:194.29.224.0/19 ip4:91.102.8.0/21 include:spf.protection.outlook.com -all
  • 0CGxuxCbA0kqfXA0niOqSYyfoK1Z9z7YNsJ0TMZV1oYPv4WiueRZbq8SlMK+MBZBVUw36VSzaDX4S6a9J140Xg==
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