kathrein.de

Valid Email Server
Domain Lookup › kathrein.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kathrein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 20:03:53 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • kathrein-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.214.120.200 ↩ proxy.ronet.de

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA dns.ronet.de hostmaster.ronet.de 2026032703 86400 7200 604800 600
Primary NS (mname)
dns.ronet.de
Admin Email (rname)
hostmaster@ronet.de
Serial
2026032703
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns3.ronet.de
dns2.ronet.de
dns.ronet.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

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