commsoft.com.cn

Valid Email Server
Domain Lookup › commsoft.com.cn

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
commsoft.com.cn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 07:58:50 UTC · ↺ Refresh

MX Hostnames

  • mx2.feishu.cn
  • mx1.feishu.cn
  • mx3.feishu.cn

MX Priorities

  • mx1.feishu.cn: 1
  • mx2.feishu.cn: 5
  • mx3.feishu.cn: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.220.106.220 ↩ ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
  • 122.14.229.0 (no PTR)
  • 101.126.58.225 (no PTR)

SOA Record

Raw SOA ns11.xincache.com ns12.xincache.com 1766567076 3600 180 1209600 180
Primary NS (mname)
ns11.xincache.com
Admin Email (rname)
ns12@xincache.com
Serial
1766567076
Refresh
3600s
Retry
180s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns13.xincache.com
ns14.xincache.com

SPF Record

✓ Strict (-all)
v=spf1 +include:_netblocks.m.feishu.cn -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

2 records
  • SPFv=spf1 +include:_netblocks.m.feishu.cn -all
  • verification-code-site-App_feishu=vQG2QkcJWWKFG4ulhBys
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