grp-concept.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grp-concept.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 14:09:41 UTC · ↺ Refresh

MX Hostnames

  • remote.grp-augsburg.de
  • maildomain.datevnet.com

MX Priorities

  • remote.grp-augsburg.de: 10
  • maildomain.datevnet.com: 20

A / AAAA Records

  • 217.160.0.65 ↩ 217-160-0-65.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 80.147.92.75 ↩ remote.grp-augsburg.de
  • 193.27.49.221 ↩ maildomain.datevnet.com
  • 193.27.49.207 ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com

SOA Record

Raw SOA docks16.rzone.de hostmaster.strato-rz.de 2023121820 86400 7200 604800 300
Primary NS (mname)
docks16.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023121820
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks16.rzone.de
shades03.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a:remote.grp-augsburg.de include:maildomain._spf.datev.de include:spf.protection.outlook.com -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

2 records
  • MS=ms90175687
  • SPFv=spf1 a:remote.grp-augsburg.de include:maildomain._spf.datev.de include:spf.protection.outlook.com -all
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