bk-hennef.de

Valid Email Server
Domain Lookup › bk-hennef.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bk-hennef.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 04:38:21 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • bkhennef-de0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 93.184.63.105 ↩ a00462-1.host.tro.net

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns-a.tro.net hostmaster.tro.net 2025050901 10000 1800 1209600 600
Primary NS (mname)
ns-a.tro.net
Admin Email (rname)
hostmaster@tro.net
Serial
2025050901
Refresh
10000s
Retry
1800s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns-b.tro.net
ns-d.tro.net
ns-c.tro.net
ns-a.tro.net

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

3 records
  • MS=ms28172376
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • duo_sso_verification=224O5I7sStksQjJML2gFOnOoahVuf9vP8QjMohAD5ICLkOnAxOLBmW2hyHhArCJI
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