db-bau.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
db-bau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 09:01:45 UTC · ↺ Refresh

MX Hostnames

  • dbbau-de0e.mail.protection.outlook.com

MX Priorities

  • dbbau-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.217 ↩ 217-160-0-217.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2be ↩ 2001-08d8-100f-f000-0000-0000-0000-02be.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns-de.1and1-dns.de hostmaster.kundenserver.de 2018050716 28800 7200 604800 300
Primary NS (mname)
ns-de.1and1-dns.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2018050716
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns-de.1and1-dns.de
ns-de.1and1-dns.biz
ns-de.1and1-dns.com
ns-de.1and1-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • MS=ms68559258
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