nbctos.cn - robtex.com
nbctos.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=2034660514 | ||||||
Similar names
nbcost.com |
tbcons.com |
bostcn.com |
cnbost.com |
bconst.com |
cnbtos.com |
csbont.com |
btcson.com |
bscont.com.br |
btcons.com |
bstcon.com |
boncst.com |
cnsbot.com |
sbotcn.com |
DNS History
5 records (0 active, 5 former)
○NSns1.nbctos.cn2020-03-11 → 2020-03-11 · 4 obs
○ 2017-03-22 03:21:18
● 2020-03-11 08:18:50
○ 2026-02-19 20:40:48
○ 2026-04-12 00:00:50
● 2020-03-11 08:18:50
○ 2026-02-19 20:40:48
○ 2026-04-12 00:00:50
○NSns3.dnsdun.net2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 03:21:18
○ 2026-02-19 20:40:48
○ 2026-04-12 00:00:50
○ 2026-02-19 20:40:48
○ 2026-04-12 00:00:50
○NSns4.dnsdun.com2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 03:21:18
○ 2020-03-11 08:18:50
○ 2026-04-12 00:00:50
○ 2020-03-11 08:18:50
○ 2026-04-12 00:00:50
○A166.88.167.912020-03-11 → 2020-03-11 · 4 obs
○ 2017-03-22 03:21:18
● 2020-03-11 08:18:50
○ 2026-02-19 20:40:48
○ 2026-04-12 00:00:50
● 2020-03-11 08:18:50
○ 2026-02-19 20:40:48
○ 2026-04-12 00:00:50
○A47.91.152.2312017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 03:21:18
○ 2020-03-11 08:18:50
○ 2026-04-12 00:00:50
○ 2020-03-11 08:18:50
○ 2026-04-12 00:00:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn... | - |
✅ Authoritative Response
Server:203.119.27.1
NS records: e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn, d.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3446ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|