lernjava.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-02 12:38:02 UTC · ↺ Refresh

MX Hostnames

  • mail.lernjava.de
  • mx2e90.netcup.net

MX Priorities

  • mx2e90.netcup.net: 50
  • mail.lernjava.de: 10

A / AAAA Records

  • 91.204.46.142 ↩ a2e8e.netcup.net
  • 2a03:4000:30:ac1e::14:4679 (no PTR)

Mail Server IPs

  • 91.204.46.144 ↩ mx2e90.netcup.net
  • 2a03:4000::433:5483:44ff:fe43:f03a ↩ mx2e90.netcup.net

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2022092506 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2022092506
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

third-dns.netcup.net
root-dns.netcup.net
second-dns.netcup.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

Full email verification for lernjava.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits