sieker.de

Valid Email Server
Domain Lookup › sieker.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sieker.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 02:14:02 UTC · ↺ Refresh

MX Hostnames

  • sieker.de

MX Priorities

  • sieker.de: 10

A / AAAA Records

  • 93.240.176.106 ↩ sieker.de

Mail Server IPs

  • 93.240.176.106 ↩ sieker.de

SOA Record

Raw SOA docks14.rzone.de hostmaster.strato-rz.de 2024111214 86400 7200 604800 300
Primary NS (mname)
docks14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024111214
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks14.rzone.de
shades04.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:93.240.176.104/29 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

3 records
  • SPFv=spf1 ip4:93.240.176.104/29 -all
  • MS=A68699465BED036320A0C53A40B5466A20E489FE
  • DMARCv=DMARC1; p=reject;
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