Domain Overview
DNS: ✓ 10d ago
Checker: ✓ 10d ago
topfastpcb.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-03 10:32:53 UTC · ↺ Refresh
MX Hostnames
- mx1.qiye.aliyun.com
- mx2.qiye.aliyun.com
- mx3.qiye.aliyun.com
MX Priorities
- mx3.qiye.aliyun.com: 15
- mx2.qiye.aliyun.com: 10
- mx1.qiye.aliyun.com: 5
A / AAAA Records
- 47.88.5.234 (no PTR)
Mail Server IPs
- 47.246.137.47 (no PTR)
- 47.246.136.231 ↩ reachsmartdwell.com
SOA Record
Raw SOA
a.ezdnscenter.com dnsadmin.ezdnscenter.com 1751342712 3600 300 1209600 1800
Primary NS (mname)
a.ezdnscenter.com
Admin Email (rname)
dnsadmin@ezdnscenter.com
Serial
1751342712
Refresh
3600s
Retry
300s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
a.ezdnscenter.com
b.ezdnscenter.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.qiye.aliyun.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 include:spf.qiye.aliyun.com -all
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