yingbx.com

Valid Email Server
Domain Lookup › yingbx.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
yingbx.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-27 19:58:47 UTC · ↺ Refresh

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MX Hostnames

  • mxdomain.qq.com

MX Priorities

  • mxdomain.qq.com: 10

A / AAAA Records

  • 172.67.213.10 (no PTR)
  • 104.21.61.186 (no PTR)
  • 2606:4700:3030::6815:3dba (no PTR)
  • 2606:4700:3033::ac43:d50a (no PTR)

Mail Server IPs

  • mx3.qq.com. (no PTR)
  • 203.205.219.57 (no PTR)
  • 240d:c040:1:40::133 (no PTR)

SOA Record

Raw SOA sandra.ns.cloudflare.com dns.cloudflare.com 2406231007 10000 2400 604800 1800
Primary NS (mname)
sandra.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406231007
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sullivan.ns.cloudflare.com
sandra.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

✗ 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

No TXT records found.

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