sbs-gmbh.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sbs-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 21:12:52 UTC · ↺ Refresh

MX Hostnames

  • sbsgmbh-de0i.mail.protection.outlook.com

MX Priorities

  • sbsgmbh-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.235 ↩ 217-160-0-235.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::214 ↩ 2001-08d8-100f-f000-0000-0000-0000-0214.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1069.ui-dns.de hostmaster.kundenserver.de 2016110563 28800 7200 604800 300
Primary NS (mname)
ns1069.ui-dns.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016110563
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1069.ui-dns.com
ns1069.ui-dns.org
ns1069.ui-dns.biz
ns1069.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:80.81.21.245 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
  • SPFv=spf1 a mx ip4:80.81.21.245 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
  • apple-domain-verification=TNSf5o27EN1TKkH8
  • MS=E0EACB9E08851D32B249D947D900C5DAC3B4EE48
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