grewe-gruppe.de

Valid Email Server
Domain Lookup › grewe-gruppe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grewe-gruppe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 06:43:43 UTC · ↺ Refresh

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MX Hostnames

  • mx-01-eu-central-1.prod.hydra.sophos.com
  • mx-02-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 88.198.63.74 ↩ srv01.digital-candy.de
  • 2a01:4f8:222:252::2 ↩ srv01.digital-candy.de

Mail Server IPs

  • 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
  • 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA docks03.rzone.de hostmaster.strato-rz.de 2020051550 86400 7200 604800 300
Primary NS (mname)
docks03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051550
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks03.rzone.de
shades18.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:217.5.190.242/29 include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ 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

5 records
  • cisco-ci-domain-verification=258280ab73c27b1aebee96c81b38c84fafcbd60fd8e8f1019adba090be498641
  • sophos-domain-verification=4d34140342804d8570ae11e777c1b38a1219540e
  • MS=ms57716180
  • SPFv=spf1 mx ip4:217.5.190.242/29 include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
  • apple-domain-verification=JAqC9p2NYWK8MNO8
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