otg.de

Valid Email Server
Domain Lookup › otg.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 08:06:01 UTC · ↺ Refresh

MX Hostnames

  • mx19d.antispameurope.com
  • mx19b.antispameurope.com
  • mx19a.antispameurope.com
  • mx19c.antispameurope.com

MX Priorities

  • mx19b.antispameurope.com: 20
  • mx19a.antispameurope.com: 10
  • mx19c.antispameurope.com: 30
  • mx19d.antispameurope.com: 40

A / AAAA Records

  • 77.75.254.160 ↩ cloud2-vm678.de-nserver.de

Mail Server IPs

  • 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
  • 94.100.132.100 ↩ hsmx01.antispameurope.com

SOA Record

Raw SOA ns2.knipp.de dnsmaster.irondns.net 2024032231 10800 3000 2419200 900
Primary NS (mname)
ns2.knipp.de
Admin Email (rname)
dnsmaster@irondns.net
Serial
2024032231
Refresh
10800s
Retry
3000s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

ns17.knipp.net
ns3.knipp.de
ns2.knipp.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.hornetsecurity.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

4 records
  • MS=ms20443468
  • SPFv=spf1 a mx include:spf.hornetsecurity.com ~all
  • swisssign-check=ImAlWfChjGPUKGripNtjQDLuQws
  • VdG8skb4IK+d/nsyrqS0wZneW8S412Bo0QplptdEYuOFz7FSwTchvdkwYAWYMw4fCXlXUlkPyFgsO3SL/377DA==
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