grr-group.de

Valid Email Server
Domain Lookup › grr-group.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grr-group.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 13:23:16 UTC · ↺ Refresh

MX Hostnames

  • mx3.grr-group.de
  • mx2.grr-group.de
  • mx1.grr-group.de
  • mx4.grr-group.de

MX Priorities

  • mx3.grr-group.de: 30
  • mx1.grr-group.de: 10
  • mx4.grr-group.de: 40
  • mx2.grr-group.de: 20

A / AAAA Records

  • 85.13.133.121 ↩ dd10832.kasserver.com

Mail Server IPs

  • 188.174.231.149 ↩ host-188-174-231-149.customer.m-online.net
  • 188.174.231.146 ↩ mx1.grr-group.de
  • 188.174.231.150 ↩ host-188-174-231-150.customer.m-online.net
  • 188.174.231.148 ↩ host-188-174-231-148.customer.m-online.net

SOA Record

Raw SOA a.isp-nameserver.de support.isp-nameserver.de 2024071002 14400 3600 604800 3600
Primary NS (mname)
a.isp-nameserver.de
Admin Email (rname)
support@isp-nameserver.de
Serial
2024071002
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

c.isp-nameserver.de
b.isp-nameserver.de
a.isp-nameserver.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:116.202.173.49 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 ip4:116.202.173.49 ~all
  • MS=ms80130666
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