manuelmichaelis.de

Valid Email Server
Domain Lookup › manuelmichaelis.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 15:54:19 UTC · ↺ Refresh

MX Hostnames

  • mx171.christo.net
  • mxb171.christo.net

MX Priorities

  • mx171.christo.net: 10
  • mxb171.christo.net: 20

A / AAAA Records

  • 93.191.48.166 ↩ linux40.christo.net

Mail Server IPs

  • 93.191.48.164 ↩ mx171.christo.net

SOA Record

Raw SOA ns10.bytes24.de postmaster.manuelmichaelis.de 2025052204 10800 3600 604800 3600
Primary NS (mname)
ns10.bytes24.de
Admin Email (rname)
postmaster@manuelmichaelis.de
Serial
2025052204
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns10.bytes24.de
ns11.bytes24.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.christo.net a mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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 include:spf.christo.net a mx -all
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