sdosd.cn - robtex.com
sdosd.cn
| DNSSEC | ⚠️ Not signed | ||||||
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=2034614189 | ||||||
Same first word
Similar names
DNS History
5 records (0 active, 5 former)
○NSdns25.hichina.com2015-06-10 → 2017-04-10 · 4 obs
● 2015-06-10 14:45:48
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
○NSdns26.hichina.com2015-06-10 → 2017-04-10 · 4 obs
● 2015-06-10 14:45:48
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
○MXmx58.dns.com.cn2015-06-10 → 2017-04-10 · 4 obs
● 2015-06-10 14:45:48
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
○A210.209.87.1152015-06-10 → 2015-06-10 · 3 obs
● 2015-06-10 14:45:48
○ 2015-10-28 17:09:12
○ 2026-03-31 03:45:26
○ 2015-10-28 17:09:12
○ 2026-03-31 03:45:26
○A39.109.8.1852015-10-28 → 2017-04-10 · 5 obs
○ 2015-06-10 14:45:48
● 2015-10-28 17:09:12
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
● 2015-10-28 17:09:12
● 2017-04-10 13:25:38
○ 2026-02-28 00:25:28
○ 2026-03-31 03:45:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3691ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|