gtk-gummitechnik.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gtk-gummitechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 20:50:11 UTC · ↺ Refresh

MX Hostnames

  • mx-b.secumail.de
  • mx-a.secumail.de

MX Priorities

  • mx-a.secumail.de: 10
  • mx-b.secumail.de: 10

A / AAAA Records

  • 78.46.153.226 ↩ dedi6930.your-server.de
  • 2a01:4f8:d0a:13bc::2 ↩ dedi6930.your-server.de

Mail Server IPs

  • 212.11.225.17 ↩ sc03.secumail.de
  • 212.11.225.133 ↩ sc01.secumail.de
  • 212.11.224.132 ↩ sc02.secumail.de
  • 212.11.224.154 ↩ sc04.secumail.de

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026022400 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026022400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.secumail.de include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms59111669
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.secumail.de include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr -all
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