uhlenbrock.de

Valid Email Server
Domain Lookup › uhlenbrock.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uhlenbrock.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 17:13:20 UTC · ↺ Refresh

MX Hostnames

  • smtp-in.jmc.net
  • smtp-ext.jmc.net

MX Priorities

  • smtp-in.jmc.net: 10
  • smtp-ext.jmc.net: 5

A / AAAA Records

  • 194.187.186.114 (no PTR)

Mail Server IPs

  • 194.187.184.22 ↩ smtp-in.jmc.net

SOA Record

Raw SOA ns1.jmc.net dns-master.jmc.net 2025050606 86400 18000 604800 3600
Primary NS (mname)
ns1.jmc.net
Admin Email (rname)
dns-master@jmc.net
Serial
2025050606
Refresh
86400s
Retry
18000s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.jmc.net
ns-ext.jmc-dns.net
ns-ext.jmc-dns.de
ns2.jmc.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:197.187.184.0/24 ip4:194.187.185.0/24 ip4:194.187.186.0/24 ip4:194.187.187.0/24 ~all
📊 DNS lookups: 0/10
~ 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

4 records
  • uhlenbrock
  • SPFv=spf1 ip4:197.187.184.0/24 ip4:194.187.185.0/24 ip4:194.187.186.0/24 ip4:194.187.187.0/24 ~all
  • _gt4aqcfqrm3qpjc2zphqpfawcwpogpd
  • 0typ4mwlf73w6c8dy341yg3p4xc61pd8
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