szbi.de

Valid Email Server
Domain Lookup › szbi.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 15:30:30 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.137 ↩ 217-160-0-137.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1023.ui-dns.com hostmaster.1und1.de 2017022322 28800 7200 604800 300
Primary NS (mname)
ns1023.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017022322
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1023.ui-dns.biz
ns1023.ui-dns.org
ns1023.ui-dns.de
ns1023.ui-dns.com

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
  • MS=ms69999201
  • SPFv=spf1 include:spf.protection.outlook.com ~all
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