sds-sys.com

No Valid Email Server
Domain Lookup › sds-sys.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sds-sys.com
No
None
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 05:48:57 UTC · ↺ Refresh

MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 172.67.144.243 (no PTR)
  • 104.21.95.125 (no PTR)
  • 2606:4700:3032::6815:5f7d (no PTR)
  • 2606:4700:3036::ac43:90f3 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA deb.ns.cloudflare.com dns.cloudflare.com 2399929723 10000 2400 604800 1800
Primary NS (mname)
deb.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399929723
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

deb.ns.cloudflare.com
kaiser.ns.cloudflare.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 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

No TXT records found.

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