Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csc-dachverband.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 18:08:55 UTC · ↺ Refresh
MX Hostnames
- mail.comcosmos.net
MX Priorities
- mail.comcosmos.net: 10
A / AAAA Records
- 84.16.228.132 ↩ comcosmos.net
Mail Server IPs
- 84.16.228.133 ↩ mail.comcosmos.net
SOA Record
Raw SOA
ns1.dnsberlin.de hostmaster.dnsberlin.de 2025031202 3600 3600 1209600 86400
Primary NS (mname)
ns1.dnsberlin.de
Admin Email (rname)
hostmaster@dnsberlin.de
Serial
2025031202
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.dnsberlin.de
ns2.dnsberlin.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:84.16.228.133 ip4:84.16.228.132 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=25; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:84.16.228.133 ip4:84.16.228.132 -all
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