Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
c2concerts.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:19:57 UTC · ↺ Refresh
MX Hostnames
- mailsmarthost.decosys.de
MX Priorities
- mailsmarthost.decosys.de: 10
A / AAAA Records
- 85.214.69.221 ↩ mail.c2concerts.de
Mail Server IPs
- 94.130.8.202 ↩ mailsmarthost.decosys.de
SOA Record
Raw SOA
ns3.stratoserver.net hostmaster.strato-rz.de 2020051317 86400 7200 604800 300
Primary NS (mname)
ns3.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051317
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns4.stratoserver.net
ns3.stratoserver.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mailsmarthost.decosys.de ip4:94.130.8.202 include:spf.easyticket.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a:mailsmarthost.decosys.de ip4:94.130.8.202 include:spf.easyticket.de ~all
- brevo-code:ee382a8672e53718954d408ed838c567
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