brb.de

Valid Email Server
Domain Lookup › brb.de

Domain Overview

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

Checked via [email protected] · 2026-03-22 05:27:40 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • brb-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 5.57.43.199 ↩ host-5-57-43-199.cloud.planetary-networks.de

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.digramm.de hostmaster.adns2.de 2026012700 39940 7200 604800 86400
Primary NS (mname)
ns1.digramm.de
Admin Email (rname)
hostmaster@adns2.de
Serial
2026012700
Refresh
39940s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.digramm.de
ns1.digramm.de

SPF Record

✓ Strict (-all)
v=spf1 a:mx01.transdev.de a:mx02.transdev.de include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.etc-consult.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

5 records
  • ibmid= 8e20d893-24d5-447d-a483-5fb07f726941
  • d2858d32c9f7b5fa37b8f5d132a7b8838e6ec48c2f4ea8d6d315cd3bbf20cc1a
  • SPFv=spf1 a:mx01.transdev.de a:mx02.transdev.de include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.etc-consult.de -all
  • facebook-domain-verification=ekbygctvmxrks1s1u443hadssrbl9a
  • MS=ms54176052
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