siniawa.de

Valid Email Server
Domain Lookup › siniawa.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 15:46:22 UTC · ↺ Refresh

MX Hostnames

  • ms-10.1blu.de
  • ms-20.1blu.de

MX Priorities

  • ms-20.1blu.de: 20
  • ms-10.1blu.de: 10

A / AAAA Records

  • 172.67.157.148 (no PTR)
  • 104.21.40.232 (no PTR)
  • 2606:4700:3036::ac43:9d94 (no PTR)
  • 2606:4700:3031::6815:28e8 (no PTR)

Mail Server IPs

  • 178.254.17.254 ↩ ssl-proxy.1blu.de
  • 178.254.4.101 ↩ ms-10.1blu.de

SOA Record

Raw SOA isabel.ns.cloudflare.com dns.cloudflare.com 2399265424 10000 2400 604800 1800
Primary NS (mname)
isabel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399265424
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

tanner.ns.cloudflare.com
isabel.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:178.254.4.101 ip4:178.254.0.201 ip4:178.254.0.202 ip4:178.254.0.203 ip4:178.254.0.204 ip4:178.254.0.205 ip4:178.254.0.206 ip4:178.254.0.207 ip4:178.254.0.208 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 a mx ip4:178.254.4.101 ip4:178.254.0.201 ip4:178.254.0.202 ip4:178.254.0.203 ip4:178.254.0.204 ip4:178.254.0.205 ip4:178.254.0.206 ip4:178.254.0.207 ip4:178.254.0.208 -all
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