Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zendojo-konstanz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 17:36:14 UTC · ↺ Refresh
MX Hostnames
- mail.zendojo-konstanz.de
- mx2f83.netcup.net
MX Priorities
- mx2f83.netcup.net: 50
- mail.zendojo-konstanz.de: 10
A / AAAA Records
- 188.68.47.129 ↩ a2f81.netcup.net
- 2a03:4000:30:c6ab::15:1643 (no PTR)
Mail Server IPs
- 188.68.47.131 ↩ mx2f83.netcup.net
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2024021605 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2024021605
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
second-dns.netcup.net
third-dns.netcup.net
root-dns.netcup.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
1 record- brevo-code:72ee340524fa9c1445053f12c2237802
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