Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fasi-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 18:09:08 UTC · ↺ Refresh
MX Hostnames
- mail.fasi-koeln.de
MX Priorities
- mail.fasi-koeln.de: 10
A / AAAA Records
- 136.243.10.8 ↩ fasi-koeln.de
- 2a01:4f8:211:239d::2 ↩ fasi-koeln.de
Mail Server IPs
- 136.243.10.50 ↩ mail.fasi-koeln.de
- 2a01:4f8:211:239d::3 ↩ mail.fasi-koeln.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026021600 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026021600
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 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 ~all
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