Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
si-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 08:43:05 UTC · ↺ Refresh
MX Hostnames
- mx-a.secumail.de
- mx-b.secumail.de
MX Priorities
- mx-a.secumail.de: 10
- mx-b.secumail.de: 10
A / AAAA Records
- 37.27.228.148 ↩ smtp2.exse.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
nsa7.schlundtech.de info.exse.de 2025112600 43200 7200 1209600 86400
Primary NS (mname)
nsa7.schlundtech.de
Admin Email (rname)
info@exse.de
Serial
2025112600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsb7.schlundtech.de
nsd7.schlundtech.de
nsc7.schlundtech.de
nsa7.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.91.31.10 ip4:135.181.215.216 ip4:78.47.104.38 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:217.91.31.10 ip4:135.181.215.216 ip4:78.47.104.38 -all
- google-site-verification=-jJf_gc5d9XHKzKQA2bnoL6BY5GdHC16bEQ2Dc0h1x4
- MS=ms59965790
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