Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-hillebrand.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:36:08 UTC · ↺ Refresh
MX Hostnames
- mail3.seine.de
MX Priorities
- mail3.seine.de: 10
A / AAAA Records
- 2a03:2a00:1200::1:0:0:3157 ↩ r8234.agenturserver.it
Mail Server IPs
- 159.69.193.53 ↩ mail3.seine.de
- 2a01:4f8:1c1c:7064::1 ↩ mail3.seine.de
SOA Record
Raw SOA
ns3.seine.de admin.seine.de 2026032102 3600 3600 604800 86400
Primary NS (mname)
ns3.seine.de
Admin Email (rname)
admin@seine.de
Serial
2026032102
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.seine.de
ns2.zuto.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:159.69.193.53 ip6:2a01:4f8:1c1c:7064::1 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 a ip4:159.69.193.53 ip6:2a01:4f8:1c1c:7064::1 -all
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