singoo.cc

Valid Email Server
Domain Lookup › singoo.cc

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
singoo.cc
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 19:29:12 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 114.55.142.84 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA vip3.alidns.com hostmaster.hichina.com 2025121011 3600 1200 86400 600
Primary NS (mname)
vip3.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2025121011
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

vip4.alidns.com
vip3.alidns.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

6 records
  • tiktok-developers-site-verification=zS9WC1Zv3XG1vXZZAm9Mb0wuYZJmbXr7
  • tiktok-developers-site-verification=5y11aeUNg3oLZteyucjoysWWEOGoHsBC
  • google-site-verification=z5vAYwfIe3OlNWZwwnRYp04ql4jlqFXmc8e4AE0sqyk
  • google-site-verification=jXYQ3BruINVa-pq0QVvrfsNTMep1KaJnuasxBBLlF8I
  • verification-code-site-App_feishu=2oMtM7wt7oaDQe7C0L8a
  • SPFv=spf1 +include:_netblocks.m.feishu.cn -all
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