quberch.de

Valid Email Server
Domain Lookup › quberch.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 08:18:54 UTC · ↺ Refresh

MX Hostnames

  • mx.stackmail.com

MX Priorities

  • mx.stackmail.com: 10

A / AAAA Records

  • 185.151.30.186 ↩ 185-151-30-186.ptr4.stackcp.net
  • 2a07:7800::186 (no PTR)

Mail Server IPs

  • 185.151.28.67 ↩ mx.stackmail.com

SOA Record

Raw SOA ns1.27p.net hostmaster.stackdns.com 1773922176 1800 900 1209600 300
Primary NS (mname)
ns1.27p.net
Admin Email (rname)
hostmaster@stackdns.com
Serial
1773922176
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns4.27p.net
ns3.27p.net
ns2.27p.net
ns1.27p.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.stackmail.com a mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

1 record
  • SPFv=spf1 include:spf.stackmail.com a mx -all
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