cozy-zero.com

Valid Email Server
Domain Lookup › cozy-zero.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cozy-zero.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 15:11:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.21.94.224 (no PTR)
  • 172.67.140.219 (no PTR)
  • 2606:4700:3032::6815:5ee0 (no PTR)
  • 2606:4700:3035::ac43:8cdb (no PTR)

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 bryce.ns.cloudflare.com dns.cloudflare.com 2398879362 10000 2400 604800 1800
Primary NS (mname)
bryce.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398879362
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

bryce.ns.cloudflare.com
thea.ns.cloudflare.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • google-site-verification=l13a1K3AXs-jX7nLKepYjJ1WGKUWBUp-KFaIF-FTgg0
  • google-site-verification=o1zipYpJePNMLj7UzUkM83aF2BZ7143cqGIEHMbZJ90
  • SPFv=spf1 +include:_netblocks.m.feishu.cn -all
  • verification-code-site-App_feishu=Vs1YAkyrzr1ptATSrS0o
  • google-site-verification=RxWBJfrOPYpSvgh7oAxahkzCO7FyOG2N8tm5iBryZIg
Full email verification for cozy-zero.com

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