5x2.de

Valid Email Server
Domain Lookup › 5x2.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
5x2.de
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-01 19:36:27 UTC · ↺ Refresh

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MX Hostnames

  • mx-srv02.5x2.de
  • mx-srv03.5x2.de
  • mx-srv01.5x2.de

MX Priorities

  • mx-srv02.5x2.de: 20
  • mx-srv03.5x2.de: 5
  • mx-srv01.5x2.de: 10

A / AAAA Records

  • 104.26.7.119 (no PTR)
  • 172.67.68.237 (no PTR)
  • 104.26.6.119 (no PTR)
  • 2606:4700:20::ac43:44ed (no PTR)
  • 2606:4700:20::681a:677 (no PTR)
  • 2606:4700:20::681a:777 (no PTR)

Mail Server IPs

  • 5.9.215.179 ↩ mx-srv02.5x2.de
  • 5.9.215.180 ↩ mx-srv03.5x2.de
  • 5.9.215.178 ↩ mx-srv01.5x2.de

SOA Record

Raw SOA lisa.ns.cloudflare.com dns.cloudflare.com 2413396035 10000 2400 604800 1800
Primary NS (mname)
lisa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413396035
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lisa.ns.cloudflare.com
plato.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a:mailout.5x2.de ip4:188.40.173.64/27 mx:5x2.de a:5x2.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=10; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 10% of failing messages only

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 a:mailout.5x2.de ip4:188.40.173.64/27 mx:5x2.de a:5x2.de -all
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