Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preuss-messe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 07:57:00 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
- 87.230.107.150 ↩ vwp1906.webpack.hosteurope.de
Mail Server IPs
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
SOA Record
Raw SOA
docks20.rzone.de hostmaster.strato-rz.de 2020061118 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020061118
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades17.rzone.de
docks20.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:spf.secumail.de include:spf.protection.outlook.com ip4:31.172.105.93 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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
6 records- 9rcvt90473anh87u0bvk5f079n
- brevo-code:0f850326a5607d4911a76051c765c6c2
- SPFv=spf1 mx a include:spf.secumail.de include:spf.protection.outlook.com ip4:31.172.105.93 ~all
- MS=7A311A8B61065B1C7B50E34CA53587ED9166249B
- wPUcRT1fX9LcebS61XcrrarroAeZYRxTNTgf7NqGKikbOSgSoCzwpn1vyp7WeoCA/VF9Dp4GhlHQYFeMagdwXg==
- brevo-code:929d09842c5bb36f9a5c31418bced47d
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