Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syndikat-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 05:19:13 UTC · ↺ Refresh
MX Hostnames
- net-pmg1.nettwarker.de
- net-pmg2.nettwarker.de
MX Priorities
- net-pmg1.nettwarker.de: 10
- net-pmg2.nettwarker.de: 20
A / AAAA Records
- 185.232.71.0 ↩ cisys02.de
Mail Server IPs
- 193.42.11.119 ↩ net-pmg1.nettwarker.de
- 2a0d:5941:1:5ce:10:10:81:21 ↩ net-pmg1.nettwarker.de
- 178.63.173.21 ↩ net-pmg2.nettwarker.de
- 2a01:4f8:2200:201f:10:10:84:116 ↩ net-pmg2.nettwarker.de
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025041942 28800 7200 1209600 3600
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025041942
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
root-dns.netcup.net
second-dns.netcup.net
third-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 mx -all
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