Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
datus-seminare.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 12:38:35 UTC · ↺ Refresh
MX Hostnames
- mail.datus-seminare.de
MX Priorities
- mail.datus-seminare.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 5.45.97.133 ↩ mailserver.bytax.de
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1761650840 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1761650840
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.ns-serve.net
ns1.ns-serve.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx ~all
- SPFv=spf1 +a +mx +ip4:5.45.97.133 -all
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