jtexpress.com

Valid Email Server
Domain Lookup › jtexpress.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 18:57:52 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 47.100.240.184 (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 ns1.alidns.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
ns1.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

ns2.alidns.com
ns1.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

11 records
  • MS=ms41379498
  • verification-code-site-App_feishu=TSWPFJ4EJu6JsxpvnQdC
  • globalsign-domain-verification=H5WUTKn_D3QDosiiQrJwgH_kzvC2PJoDBNT_UFGogA
  • SPFv=spf1 +include:_netblocks.m.feishu.cn -all
  • globalsign-domain-verification=YiKIWhYxQTd3vj1EViNISbralR32dFU0Lv6hYpZSoJ
  • google-site-verification=gYlw6ynaGmSBkSxHyKuuG2uNIyyswk49ET4x9Kd74yc
  • https://toolbox.googleapps.com/apps/recovery/form?email=ryan.zhang%40jtexpress.com&user=van.cai%40jtexpress.com&domain=jtexpress.com&drsid=SFQ6P&flow=recovery&problem=RECOVERY&case=58182428
  • verification-code-site-App_feishu=l8lF5lrccv31ugK0haFF
  • apple-domain-verification=ufAka5dBiD5WnzMO
  • MS=ms37693848
  • globalsign-domain-verification=BFgUpH3ss5m1MeBoKiDXvcvtJFKzBvuQGqY_D41V8B
Full email verification for jtexpress.com

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