jointcontrols.com

Valid Email Server
Domain Lookup › jointcontrols.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jointcontrols.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 03:56:22 UTC · ↺ Refresh

MX Hostnames

  • mxbiz1.qq.com
  • mxbiz2.qq.com

MX Priorities

  • mxbiz2.qq.com: 10
  • mxbiz1.qq.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 43.154.252.16 (no PTR)
  • 43.154.252.202 (no PTR)
  • 103.86.78.3 (no PTR)
  • 103.86.78.2 (no PTR)

SOA Record

Raw SOA dns21.hichina.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
dns21.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

dns22.hichina.com
dns21.hichina.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mail.qq.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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.mail.qq.com ~all
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