Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobox.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 15:37:12 UTC · ↺ Refresh
MX Hostnames
- mail.cotec1.de
MX Priorities
- mail.cotec1.de: 10
A / AAAA Records
- 159.69.241.251 ↩ static.251.241.69.159.clients.your-server.de
Mail Server IPs
- 80.243.45.198 ↩ mail.cotec1.de
SOA Record
Raw SOA
a.ns14.net providing.cotec-gruppe.de 2025110802 39940 14400 604800 43200
Primary NS (mname)
a.ns14.net
Admin Email (rname)
providing@cotec-gruppe.de
Serial
2025110802
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
b.ns14.net
a.ns14.net
c.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:80.243.45.197 ip4:80.243.45.198 ip4:80.243.45.199 ip4:80.243.45.212 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 a mx ip4:80.243.45.197 ip4:80.243.45.198 ip4:80.243.45.199 ip4:80.243.45.212 -all
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