Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opencsg.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 02:22:55 UTC · ↺ Refresh
MX Hostnames
- mxw.mxhichina.com
- mxn.mxhichina.com
MX Priorities
- mxn.mxhichina.com: 5
- mxw.mxhichina.com: 10
A / AAAA Records
- 39.105.136.193 (no PTR)
- 123.56.42.237 (no PTR)
CNAME → alb-9tl79iaqn16c6ebh81.cn-beijing.alb.aliyuncs.com
Mail Server IPs
- 47.246.136.231 ↩ wevolt.tech
- 47.246.137.47 (no PTR)
- 47.246.99.195 ↩ reachsmartdwell.com
SOA Record
Raw SOA
dns17.hichina.com hostmaster.hichina.com 2026010913 3600 1200 86400 600
Primary NS (mname)
dns17.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026010913
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
dns17.hichina.com
dns18.hichina.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mxhichina.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
2 records- google-site-verification=zD85ePkQ0_uOYdrcX6Oezv5-AEuKeQgSqSsOl_49EeE
- SPFv=spf1 include:spf.mxhichina.com -all
Full email verification for opencsg.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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