Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
it-system24.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 02:21:12 UTC · ↺ Refresh
MX Hostnames
- mail.it-system24.de
MX Priorities
- mail.it-system24.de: 5
A / AAAA Records
- 195.30.107.177 ↩ cp177.sp-server.net
Mail Server IPs
- 195.30.107.177 ↩ cp177.sp-server.net
SOA Record
Raw SOA
ns5.w-ns.de hostmaster.internetwire.de 2026031301 28800 7200 604800 300
Primary NS (mname)
ns5.w-ns.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2026031301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns6.w-ns.de
ns8.w-ns.de
ns7.w-ns.de
ns5.w-ns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.sendinblue.com include:_spf.w-ns.de include:spf.nl2go.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 392 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- google-site-verification=ZNBuRO0dKZ97SKnj31o2MxEZfwcjJPzz_MTqsNzQAHw
- Sendinblue-code:66bda7af18dcec797d94cc9569270288
- SPFv=spf1 a mx include:spf.sendinblue.com include:_spf.w-ns.de include:spf.nl2go.com -all
Full email verification for it-system24.de
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