jfs.de

Valid Email Server
Domain Lookup › jfs.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 18:03:30 UTC · ↺ Refresh

MX Hostnames

  • relay.rzone.de
  • mail.jfs.de

MX Priorities

  • relay.rzone.de: 100
  • mail.jfs.de: 20

A / AAAA Records

  • 185.3.235.181 ↩ web213.dogado.net

Mail Server IPs

  • 81.169.145.96 ↩ relay.rzone.de
  • 83.135.41.83 ↩ gate.beyersdorf.de

SOA Record

Raw SOA shades17.rzone.de hostmaster.strato-rz.de 2023111663 86400 7200 604800 300
Primary NS (mname)
shades17.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023111663
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades17.rzone.de
docks15.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.strato.com
📊 DNS lookups: 1/10

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
  • MS=83ECFCFFCA7613EE26A1A74B668DDF98F10A958C
  • Jakob-Friedrich-Schoellkopf Schule, Boschstr. 28, 73230 Kirchheim
  • SPFv=spf1 redirect=_spf.strato.com
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