gasgoo.com

Valid Email Server
Domain Lookup › gasgoo.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 23:07:00 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 124.221.171.166 (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 ns3.dnsv4.com enterprise2dnsadmin.dnspod.com 1774014703 3600 180 1209600 180
Primary NS (mname)
ns3.dnsv4.com
Admin Email (rname)
enterprise2dnsadmin@dnspod.com
Serial
1774014703
Refresh
3600s
Retry
180s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns4.dnsv4.com
ns3.dnsv4.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; sp=none; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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=mll6Bc5ASAkUTQY0lx4i
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