baust.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-27 05:25:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 85.13.150.251 ↩ dd12112.kasserver.com

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1126.ui-dns.com hostmaster.1und1.de 2016121331 28800 7200 604800 300
Primary NS (mname)
ns1126.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016121331
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1126.ui-dns.de
ns1126.ui-dns.com
ns1126.ui-dns.org
ns1126.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com ip4:109.237.142.231 ip4:31.220.123.246 ip4:109.237.138.49 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com ip4:109.237.142.231 ip4:31.220.123.246 ip4:109.237.138.49 -all
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