oz-online.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
oz-online.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-04-04 17:56:29 UTC ยท โ†บ Refresh

MX Hostnames

  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx03.hornetsecurity.com: 30
  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 109.239.194.8 (no PTR)

Mail Server IPs

  • 94.100.134.8 โ†ฉ mx03.hornetsecurity.com
  • 94.100.136.8 โ†ฉ mx02.hornetsecurity.com
  • 94.100.136.7 โ†ฉ mx04.hornetsecurity.com
  • 94.100.132.8 โ†ฉ mx01.hornetsecurity.com

SOA Record

Raw SOA a.ns14.net domain.omg.de 2026010803 43200 7200 1209600 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domain@omg.de
Serial
2026010803
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

a.ns14.net
b.ns14.net

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a mx ip4:109.239.193.0/24 ip4:109.239.194.0/27 ip4:91.240.194.6/32 ip4:91.240.194.7/32 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
๐Ÿ“Š DNS lookups: 4/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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

4 records
  • google-site-verification=ikqXl8B3d4XjOxZ9zQQ17SumpOHGs1Ey6mXnXPJwBHw
  • SPFv=spf1 a mx ip4:109.239.193.0/24 ip4:109.239.194.0/27 ip4:91.240.194.6/32 ip4:91.240.194.7/32 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
  • MS=ms74588565
  • facebook-domain-verification=xacffaehv2b0jbp5c4eacbx4femxl2
Full email verification for oz-online.de

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

SPF / DKIM / DMARC Get 1,000 Free Credits