akustik-office-systeme.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
akustik-office-systeme.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 09:17:56 UTC · ↺ Refresh

MX Hostnames

  • akustikofficesysteme-de01i1e.mail.protection.outlook.com

MX Priorities

  • akustikofficesysteme-de01i1e.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.88.95.108 ↩ dedi7443.your-server.de
  • 2a01:4f8:1061:1164::2 ↩ dedi7443.your-server.de

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns1119.ui-dns.de hostmaster.1und1.de 2017033014 28800 7200 604800 300
Primary NS (mname)
ns1119.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017033014
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1119.ui-dns.de
ns1119.ui-dns.biz
ns1119.ui-dns.org
ns1119.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 a mx a:mail.esp-hosting.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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

3 records
  • MS=ms41404286
  • SPFv=spf1 a mx a:mail.esp-hosting.de include:spf.protection.outlook.com -all
  • atlassian-sending-domain-verification=3ed2b37f-7f02-4ca9-b640-2b24d91381a4
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