b-performance.de

Valid Email Server
Domain Lookup › b-performance.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
b-performance.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 01:39:20 UTC · ↺ Refresh

MX Hostnames

  • bperformance-de0c.mail.protection.outlook.com

MX Priorities

  • bperformance-de0c.mail.protection.outlook.com: 10

A / AAAA Records

  • 157.90.226.250 ↩ static.250.226.90.157.clients.your-server.de
  • 2a01:4f8:1c1c:f0fa::1 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1a.dodns.net hostmaster.b-performance.de 2024070104 7200 900 3600000 86400
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@b-performance.de
Serial
2024070104
Refresh
7200s
Retry
900s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1a.dodns.net
ns2a.dodns.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:88.99.215.213 ip6:2a01:4f8:10a:40d4::2 ip4:88.99.240.212 ip6:2a01:4f8:10b:12d::2 ip4:78.47.207.104 ip6:2a01:4f8:c17:2613::2 ip4:49.12.219.243 ip6:2a01:4f8:c010:abc9::2 ip4:88.99.218.167 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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

2 records
  • MS=ms94532375
  • SPFv=spf1 a mx ip4:88.99.215.213 ip6:2a01:4f8:10a:40d4::2 ip4:88.99.240.212 ip6:2a01:4f8:10b:12d::2 ip4:78.47.207.104 ip6:2a01:4f8:c17:2613::2 ip4:49.12.219.243 ip6:2a01:4f8:c010:abc9::2 ip4:88.99.218.167 include:spf.protection.outlook.com -all
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