jcf.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-28 02:57:30 UTC · ↺ Refresh

MX Hostnames

  • mail.jcf.de
  • fallback.jcfit.net
  • relay.jcfit.net

MX Priorities

  • mail.jcf.de: 60
  • fallback.jcfit.net: 90
  • relay.jcfit.net: 10

A / AAAA Records

  • 176.9.76.204 ↩ relay.jcfit.net

Mail Server IPs

  • 176.9.76.204 ↩ relay.jcfit.net
  • 78.46.220.17 ↩ cx10.jcfit.net
  • 2a01:4f8:c0c:1dec::2 ↩ cx10.jcfit.net
  • 2a01:4f8:151:10c8::2 ↩ relay.jcfit.net

SOA Record

Raw SOA jcf.de hostmaster.jcf.de 26031400 10800 1800 604800 86400
Primary NS (mname)
jcf.de
Admin Email (rname)
hostmaster@jcf.de
Serial
26031400
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.jcfit.net
ns2.jcfit.net
ns.jcfit.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:176.9.76.204 ip4:78.46.220.17 ip4:78.46.43.45 ip6:2a01:4f8:151:10c8::2 ip6:2a01:4f8:c0c:1dec::2 ip4:2a01:4f8:141:40e7::2 a:sb29.jcfit.net a:cx10.jcfit.net include:i-mailing.de include:jcfit.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 mx a ip4:176.9.76.204 ip4:78.46.220.17 ip4:78.46.43.45 ip6:2a01:4f8:151:10c8::2 ip6:2a01:4f8:c0c:1dec::2 ip4:2a01:4f8:141:40e7::2 a:sb29.jcfit.net a:cx10.jcfit.net include:i-mailing.de include:jcfit.net ~all
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