sy-tech.cn - robtex.com
sy-tech.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=2034596922 | ||||||
Same first word
Similar names
DNS History
11 records (0 active, 11 former)
○NScgsdns1.alibabaonline.com2015-08-01 → 2015-11-12 · 4 obs
● 2015-08-01 17:46:06
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
○NScgsdns2.alibabaonline.com2015-08-01 → 2015-11-12 · 4 obs
● 2015-08-01 17:46:06
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
○NSns1.ce.net.cn2016-12-23 → 2016-12-23 · 3 obs
○ 2016-02-05 15:28:46
● 2016-12-23 04:47:50
○ 2026-03-28 03:31:28
● 2016-12-23 04:47:50
○ 2026-03-28 03:31:28
○NSns1.nowcndns.com2026-03-28 → 2026-03-28 · 1 obs
○ 2026-03-28 03:31:28
○NSns2.nowcndns.com2026-03-28 → 2026-03-28 · 1 obs
○ 2026-03-28 03:31:28
○NSns3.ce.net.cn2016-12-23 → 2016-12-23 · 3 obs
○ 2016-02-05 15:28:46
● 2016-12-23 04:47:50
○ 2026-03-28 03:31:28
● 2016-12-23 04:47:50
○ 2026-03-28 03:31:28
○MXmx01.mail.alibaba.com2015-08-01 → 2015-11-12 · 4 obs
● 2015-08-01 17:46:06
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
○MXmx02.mail.alibaba.com2015-08-01 → 2015-11-12 · 4 obs
● 2015-08-01 17:46:06
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
○A121.14.65.2162016-12-23 → 2016-12-23 · 3 obs
○ 2016-02-05 15:28:46
● 2016-12-23 04:47:50
○ 2026-03-28 03:31:28
● 2016-12-23 04:47:50
○ 2026-03-28 03:31:28
○A154.197.179.702026-03-28 → 2026-03-28 · 1 obs
○ 2026-03-28 03:31:28
○A205.204.112.42015-08-01 → 2015-11-12 · 4 obs
● 2015-08-01 17:46:06
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
● 2015-11-12 13:50:42
○ 2016-02-05 15:28:46
○ 2026-03-28 03:31:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
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: 963ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|