r-s-group.de

Valid Email Server
Domain Lookup › r-s-group.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
r-s-group.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 14:38:14 UTC · ↺ Refresh

MX Hostnames

  • rsgroup-de0k.mail.protection.outlook.com

MX Priorities

  • rsgroup-de0k.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.169.145.152 ↩ w98.rzone.de
  • 2a01:238:20a:202:1152:: ↩ w98.rzone.de

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA shades04.rzone.de hostmaster.strato-rz.de 2020052133 86400 7200 604800 300
Primary NS (mname)
shades04.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052133
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades04.rzone.de
docks08.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.crsend.com include:smtp-01.tool24.de ip4:78.46.1.18 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 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

4 records
  • miro-verification=6ea0afd07df0aa19e89771602c086ebb21cf1313
  • 20241001145341022x2tu92b4bs7o09vm8d1lje0grvou8h9s3y9ykbkekfdaxw5
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.crsend.com include:smtp-01.tool24.de ip4:78.46.1.18 -all
  • apple-domain-verification=KJMtYYX07oRhNTW1
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