sdld.cn - robtex.com
sdld.cn
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034780948 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns10.hichina.com2015-05-27 → 2026-05-12 · 2 obs
● 2015-05-27 04:08:32
● 2026-05-12 02:16:28
● 2026-05-12 02:16:28
●NSdns9.hichina.com2015-05-27 → 2026-05-12 · 2 obs
● 2015-05-27 04:08:32
● 2026-05-12 02:16:28
● 2026-05-12 02:16:28
●MXmail.sdld.cn2015-05-27 → 2026-05-12 · 2 obs
● 2015-05-27 04:08:32
● 2026-05-12 02:16:28
● 2026-05-12 02:16:28
●MXmxn.mxhichina.com2015-05-27 → 2026-05-12 · 2 obs
● 2015-05-27 04:08:32
● 2026-05-12 02:16:28
● 2026-05-12 02:16:28
●MXmxw.mxhichina.com2015-05-27 → 2026-05-12 · 2 obs
● 2015-05-27 04:08:32
● 2026-05-12 02:16:28
● 2026-05-12 02:16:28
●CNAMEsdld.cn.w.kunluncan.com2026-05-06 → 2026-05-12 · 2 obs
● 2026-05-06 08:18:06
● 2026-05-12 02:16:28
● 2026-05-12 02:16:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sdld.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.122
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdld.cn (unsigned zone)
⏱️ Timing
Total: 4181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| MX | 3 | mail.sdld.cn (pri: 4), mxn.mxhichina.com (pri: 1)... |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| CNAME | 1 | sdld.cn.w.kunluncan.com |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |