head-acoustics.de

Valid Email Server
Domain Lookup › head-acoustics.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
head-acoustics.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 09:28:41 UTC · ↺ Refresh

MX Hostnames

  • headacoustics-de01b.mail.protection.outlook.com

MX Priorities

  • headacoustics-de01b.mail.protection.outlook.com: 10

A / AAAA Records

  • 3.122.9.16 ↩ ec2-3-122-9-16.eu-central-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA dns11.netcologne.de hostmaster.netcologne.de 2026021105 10800 3600 3600000 3600
Primary NS (mname)
dns11.netcologne.de
Admin Email (rname)
hostmaster@netcologne.de
Serial
2026021105
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

dns14.netcologne.de
dns11.netcologne.de
dns12.netcologne.de
dns13.netcologne.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:na-mailout-web01.netaachen.com a:mailout.netaachen.com ip4:194.8.207.80/29 ip4:212.66.130.5 include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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

5 records
  • MS=ms99282686
  • google-site-verification=T_ro2zmua_bgFiaIYWqMr56GHvziZWy5azFUeLQE2nY
  • SPFv=spf1 a mx a:na-mailout-web01.netaachen.com a:mailout.netaachen.com ip4:194.8.207.80/29 ip4:212.66.130.5 include:spf.protection.outlook.com ~all
  • figma-domain-verification=752ee7f0d4a021331067d2e86a14001c4862c0315d5a3690e5ec656897a0b7cf-1770814521
  • openai-domain-verification=dv-bfCyQMCRNTvRzc2vc1vVYSXX
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