hdbulm.de

Valid Email Server
Domain Lookup › hdbulm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hdbulm.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 16:43:24 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • hdbulm-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 188.245.70.51 ↩ static.51.70.245.188.clients.your-server.de

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA ns.udag.net hostmaster.united-domains.de 2025011407 10800 3600 604800 3600
Primary NS (mname)
ns.udag.net
Admin Email (rname)
hostmaster@united-domains.de
Serial
2025011407
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.de
ns.udag.net
ns.udag.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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