zkteco.com

Valid Email Server
Domain Lookup › zkteco.com

Domain Overview

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

Checked via [email protected] · 2026-04-01 07:28:12 UTC · ↺ Refresh

MX Hostnames

  • mxbiz2.qq.com
  • mxbiz1.qq.com

MX Priorities

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

A / AAAA Records

  • 13.215.160.160 ↩ ec2-13-215-160-160.ap-southeast-1.compute.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA ns3.dnsv4.com enterprise2dnsadmin.dnspod.com 1775015228 3600 180 1209600 180
Primary NS (mname)
ns3.dnsv4.com
Admin Email (rname)
enterprise2dnsadmin@dnspod.com
Serial
1775015228
Refresh
3600s
Retry
180s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns3.dnsv4.com
ns4.dnsv4.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

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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

2 records
  • SPFv=spf1 include:spf.mail.qq.com ~all
  • brevo-code:7b4f639651354454838d40fa1f9e6d6b
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