grueske.de

Valid Email Server
Domain Lookup › grueske.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grueske.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 15:26:50 UTC · ↺ Refresh

MX Hostnames

  • mail.crowbell.com

MX Priorities

  • mail.crowbell.com: 10

A / AAAA Records

  • 217.160.0.103 ↩ 217-160-0-103.elastic-ssl.ui-r.com

Mail Server IPs

  • 80.147.1.174 ↩ mail.crowbell.com

SOA Record

Raw SOA ns1037.ui-dns.de hostmaster.1und1.de 2016041800 28800 7200 604800 300
Primary NS (mname)
ns1037.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016041800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1037.ui-dns.com
ns1037.ui-dns.de
ns1037.ui-dns.biz
ns1037.ui-dns.org

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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