aumuca.com

Valid Email Server

Domain Overview

DNS: ✓ 1h ago Checker: ✓ 1h ago
aumuca.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 16:42:48 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • mx3.feishu.cn: 30
  • mx1.feishu.cn: 10
  • mx2.feishu.cn: 20

A / AAAA Records

  • 23.227.38.32 ↩ myshopify.com

Mail Server IPs

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

SOA Record

Raw SOA ns43.domaincontrol.com dns.jomax.net 2023100700 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023100700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns44.domaincontrol.com
ns43.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +include:_netblocks.m.feishu.cn ~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

6 records
  • SPFv=spf1 +include:_netblocks.m.feishu.cn ~all
  • google-site-verification=J9H16p0OjXGaa8qp6jr4SWXANEjaXJIgauEDFLWoMB8
  • verification-code-site-App_feishu=mqSG6i2emfGXDPzz5dYu
  • google-site-verification=vFLGD3JQ1YN67u5iVP4yZgbupbJPNft7Oi2EnVV7pso
  • google-site-verification=d3qSP5knYQwyQxUzniawj64_0hn3I41k4rtXGk3EW0s
  • verification-code-site-App_feishu=ryykmfs31yGeXyIWX30W
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