pk-b.de

Valid Email Server
Domain Lookup › pk-b.de

Domain Overview

DNS: ✓ 10h ago Checker: ✓ 10h ago
pk-b.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 16:14:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • pkb-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.51.16.13 ↩ pl3.addix.net

Mail Server IPs

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

SOA Record

Raw SOA keyla.ns.cloudflare.com dns.cloudflare.com 2404518640 10000 2400 604800 1800
Primary NS (mname)
keyla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404518640
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

keyla.ns.cloudflare.com
margo.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
  • SPFv=spf1 a mx include:spf.protection.outlook.com ~all
  • MS=ms38933630
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