bdi-online.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bdi-online.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 22:57:42 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • bdionline-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 168.63.17.181 (no PTR)

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.de.colt.net dns-requests.colt.net 2020071001 39940 7200 604800 86400
Primary NS (mname)
ns0.de.colt.net
Admin Email (rname)
dns-requests@colt.net
Serial
2020071001
Refresh
39940s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns8.colt.net
ns0.de.colt.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com ip4:185.98.184.0/24 ip4:80.82.206.0/26 -all
📊 DNS lookups: 2/10
✓ 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=ms13598575
  • m2/Dh6Oha9CqAFnTlHrUOUjgPojvLhPdbnEWurC+PO/7RFJiScDtR8NmK6BGMmS/szM9LB9sZ8FLiIoJB8F5+A==
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mailjet.com ip4:185.98.184.0/24 ip4:80.82.206.0/26 -all
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