bfv-sr.de

Valid Email Server
Domain Lookup › bfv-sr.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bfv-sr.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 18:45:49 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • bfvsr-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 62.146.186.57 ↩ 186-57-server.nbg.cyberstack.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA dns.cyber-stack.de hostmaster.cyberstack.de 2025061801 10800 1800 2592000 40000
Primary NS (mname)
dns.cyber-stack.de
Admin Email (rname)
hostmaster@cyberstack.de
Serial
2025061801
Refresh
10800s
Retry
1800s
Expire
2592000s
Minimum TTL
40000s

Nameservers (NS)

dns.cyber-stack.de
dns.cyber-stack.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mailfusion.de -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

✓ 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

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