otto-office.de

Valid Email Server
Domain Lookup › otto-office.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
otto-office.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 07:50:36 UTC · ↺ Refresh

MX Hostnames

  • mailgate02.otto-office.net
  • mailgate01.otto-office.net
  • mailgate.otto-office.net

MX Priorities

  • mailgate01.otto-office.net: 10
  • mailgate.otto-office.net: 100
  • mailgate02.otto-office.net: 15

A / AAAA Records

  • 23.217.40.127 ↩ a23-217-40-127.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:1094::2e6 ↩ g2600-141b-1c00-1094-0000-0000-0000-02e6.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:109e::2e6 ↩ g2600-141b-1c00-109e-0000-0000-0000-02e6.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 212.12.58.87 ↩ mailgate.otto-office.net
  • 80.154.219.227 ↩ mailgate.otto-office.net

SOA Record

Raw SOA a1-225.akam.net helpdesk.otto-office.com 2025112701 3600 1800 86400 3600
Primary NS (mname)
a1-225.akam.net
Admin Email (rname)
helpdesk@otto-office.com
Serial
2025112701
Refresh
3600s
Retry
1800s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

a13-64.akam.net
a28-67.akam.net
a5-64.akam.net
a14-65.akam.net
a22-66.akam.net
a1-225.akam.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.iqsn.de include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

3 records
  • MS=ms15693652
  • SPFv=spf1 mx include:spf.iqsn.de include:spf.protection.outlook.com -all
  • SKekyHezuGhOhZruGRj5dObU/iS/r2807+ZAsn9b2B5QR6D4VNdNAy+LUlX3JoH2afJUeXs1ylteFhHbVXCPNg==
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