sgposeidon.de

Valid Email Server
Domain Lookup › sgposeidon.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 22:23:58 UTC · ↺ Refresh

MX Hostnames

  • mail.sgposeidon.de
  • mxe914.netcup.net

MX Priorities

  • mail.sgposeidon.de: 10
  • mxe914.netcup.net: 50

A / AAAA Records

  • 202.61.233.18 ↩ ae912.netcup.net
  • 2a03:4000:61:73b7::19:7686 (no PTR)

Mail Server IPs

  • 202.61.233.20 ↩ mxe914.netcup.net
  • 2a03:4000::51d:5830:5bff:fe16:d5 ↩ mxe914.netcup.net

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2025121832 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025121832
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~all
📊 DNS lookups: 3/10
~ 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

2 records
  • MS=ms93582333
  • SPFv=spf1 mx a include:_spf.webhosting.systems ~all
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