nbtuxin.com

Valid Email Server
Domain Lookup › nbtuxin.com

Domain Overview

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

Checked via [email protected] · 2026-03-14 04:44:44 UTC · ↺ Refresh

MX Hostnames

  • mx3.qiye.aliyun.com
  • mx2.qiye.aliyun.com
  • mx1.qiye.aliyun.com

MX Priorities

  • mx3.qiye.aliyun.com: 15
  • mx1.qiye.aliyun.com: 5
  • mx2.qiye.aliyun.com: 10

A / AAAA Records

  • 150.109.113.238 (no PTR)

Mail Server IPs

  • 47.246.137.47 (no PTR)
  • 47.246.136.231 ↩ reachsmartdwell.com

SOA Record

Raw SOA ns1.cnolnic.com root.cnolnic.com 2006112401 10800 3600 604800 86400
Primary NS (mname)
ns1.cnolnic.com
Admin Email (rname)
root@cnolnic.com
Serial
2006112401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.cnolnic.com
ns1.cnolnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.qiye.aliyun.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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:spf.qiye.aliyun.com -all
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4vCYdQAevFtp2y8dzPjQdsuqU6sgsCrXQTaVqX6AFqibpYyJLUzclcmdGTJdEHVMy2ue6cSN4Ji1Nn9V72UV5OXG8z9qPcSVFo7PhAYk4U/cF/4uWgejaA28oXM/RP/6lZO8n5/IUlFbjJeyusZG6YMSxqWMirOLkTyinCCjL9/X6gQRD4EWl/rT79vdT9SMlxoksGl00vesdeG7zjeafb5grwRgiO8NY4lT/F9rV8H5xj9+kWR6PZfHno/Oo6TjS5AzI0PhMBQ2QoKJ+jv7PTNMJ6+cJMy9Jkcxj+16kuSrZN4+ZLXHP4psmCY7+IQ9WQjM5KRjrWy6V4HSYWqwZwIDAQAB;
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