grs-systeme.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grs-systeme.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 01:30:59 UTC · ↺ Refresh

MX Hostnames

  • grssysteme-de0i.mail.protection.outlook.com

MX Priorities

  • grssysteme-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.182 ↩ 217-160-0-182.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns1026.ui-dns.org hostmaster.schlund.de 2017063037 28800 7200 604800 300
Primary NS (mname)
ns1026.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2017063037
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1026.ui-dns.de
ns1026.ui-dns.org
ns1026.ui-dns.com
ns1026.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf-eu.ionos.com ~all
📊 DNS lookups: 2/10
~ 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf-eu.ionos.com ~all
  • google-site-verification=4yyBkHJPdLuIBfsP0eCBe1lIyGpHt5qx0F3fhCmFJQQ
  • v=verifydomain MS=5153526
Full email verification for grs-systeme.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits