ottoheil.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ottoheil.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 13:34:36 UTC · ↺ Refresh

MX Hostnames

  • ottoheil-de.mail.protection.outlook.com

MX Priorities

  • ottoheil-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 92.205.196.0 ↩ sh22869.ispgateway.de
  • 2a00:116a:100:ea20:: ↩ sh22869.ispgateway.de

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2025120903 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025120903
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns82.domaincontrol.com
ns81.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf-de.emailsignatures365.com include:_spf_euwest1.prod.hydra.sophos.com include:spf.mailjet.com include:spf.protection.outlook.com a include:ispgateway.de ip4:193.158.80.74 ip4:80.149.166.152/29 ip4:217.92.131.4 -all
📊 DNS lookups: 6/10
✓ 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: 216 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

2 records
  • sophos-domain-verification=525a754728850699801e19aec37b1d71ffe3231c5eddb88ecbeebf1f069c3e45
  • SPFv=spf1 include:spf-de.emailsignatures365.com include:_spf_euwest1.prod.hydra.sophos.com include:spf.mailjet.com include:spf.protection.outlook.com a include:ispgateway.de ip4:193.158.80.74 ip4:80.149.166.152/29 ip4:217.92.131.4 -all
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