163997.cn - robtex.com
163997.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=2035173125 | ||||||
Same first word
163997.cn |
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DNS History
9 records (0 active, 9 former)
○NSns1.julydns.com2026-07-07 → 2026-07-07 · 2 obs
● 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
○ 2026-08-12 22:18:44
○NSns2.julydns.com2026-07-07 → 2026-07-07 · 2 obs
● 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
○ 2026-08-12 22:18:44
○A103.112.96.1422026-07-07 → 2026-07-07 · 3 obs
○ 2016-06-25 20:48:16
● 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
● 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
○A103.7.31.1882016-03-04 → 2016-06-25 · 5 obs
○ 2015-11-20 09:03:28
● 2016-03-04 04:18:58
● 2016-06-25 20:48:16
○ 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
● 2016-03-04 04:18:58
● 2016-06-25 20:48:16
○ 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
○A121.14.125.522015-05-31 → 2015-11-20 · 4 obs
● 2015-05-31 16:47:26
● 2015-11-20 09:03:28
○ 2016-03-04 04:18:58
○ 2026-08-12 22:18:44
● 2015-11-20 09:03:28
○ 2016-03-04 04:18:58
○ 2026-08-12 22:18:44
○CNAMEaps0550.qq.com2016-03-04 → 2016-06-25 · 5 obs
○ 2015-05-31 16:47:26
● 2016-03-04 04:18:58
● 2016-06-25 20:48:16
○ 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
● 2016-03-04 04:18:58
● 2016-06-25 20:48:16
○ 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
○CNAMEid.qzone.qq.com2015-05-31 → 2016-06-25 · 4 obs
● 2015-05-31 16:47:26
● 2016-06-25 20:48:16
○ 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
● 2016-06-25 20:48:16
○ 2026-07-07 16:39:44
○ 2026-08-12 22:18:44
🔍 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: 737ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|