Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
finnedev.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 16:32:31 UTC · ↺ Refresh
MX Hostnames
- mail1.fs-it.systems
MX Priorities
- mail1.fs-it.systems: 1
A / AAAA Records
- 45.130.46.11 ↩ web1.fs-it.systems
Mail Server IPs
- 45.130.46.10 ↩ mail1.fs-it.systems
- 2a12:66c0::31 ↩ mail1.fs-it.systems
SOA Record
Raw SOA
erin.ns.cloudflare.com dns.cloudflare.com 2400926814 10000 2400 604800 1800
Primary NS (mname)
erin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400926814
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
erin.ns.cloudflare.com
joel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +mx include:mail-protection.fs-it.systems -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx include:mail-protection.fs-it.systems -all
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