Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sz-transcom.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 10:14:40 UTC · ↺ Refresh
MX Hostnames
- mx.c1.icoremail.net
- mx2.c1.icoremail.net
MX Priorities
- mx2.c1.icoremail.net: 1
- mx.c1.icoremail.net: 1
A / AAAA Records
- 8.210.97.169 (no PTR)
Mail Server IPs
- 59.111.193.102 (no PTR)
- 59.111.193.101 (no PTR)
- 59.111.193.103 (no PTR)
- 165.154.163.126 ↩ ucloud-mxproxy.icoremail.net
- 139.162.158.182 ↩ li1425-182.members.linode.com
- 128.1.132.100 ↩ ucloud-mxproxy.icoremail.net
- 89.168.97.82 (no PTR)
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)
dns18.hichina.com
dns17.hichina.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.icoremail.net -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.icoremail.net -all
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