nbrdc.cn - robtex.com
nbrdc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns7.cnolnic.net ⭐ | ||||||
| A | 240c:4082:0:5d80::2🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.13.136.254🇨🇳 Baidu106.13.128.0/19 AS38365 | ||||||
| A | 182.61.7.97🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns8.cnolnic.net | ||||||
| A | 240c:4081:8000:1702::3🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.41.177🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.69🇨🇳 Baidu180.76.128.0/19 | ||||||
| SOA | ns7.cnolnic.netroot@cnolnic.net 2006-11-24 #1 | ||||||
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=2035085616 | ||||||
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
●NSns7.cnolnic.net2015-08-22 → 2026-07-25 · 2 obs
● 2015-08-22 04:07:48
● 2026-07-25 00:59:02
● 2026-07-25 00:59:02
●NSns8.cnolnic.net2015-08-22 → 2026-07-25 · 2 obs
● 2015-08-22 04:07:48
● 2026-07-25 00:59:02
● 2026-07-25 00:59:02
○MXmail.nbrdc.cn2015-08-22 → 2017-08-12 · 4 obs
● 2015-08-22 04:07:48
● 2017-08-12 07:24:58
○ 2026-07-04 00:28:54
○ 2026-07-25 00:59:02
● 2017-08-12 07:24:58
○ 2026-07-04 00:28:54
○ 2026-07-25 00:59:02
○A111.2.12.262017-08-12 → 2017-08-12 · 4 obs
○ 2016-12-03 13:29:46
● 2017-08-12 07:24:58
○ 2026-07-04 00:28:54
○ 2026-07-25 00:59:02
● 2017-08-12 07:24:58
○ 2026-07-04 00:28:54
○ 2026-07-25 00:59:02
○A60.190.54.1392015-08-22 → 2016-12-03 · 4 obs
● 2015-08-22 04:07:48
● 2016-12-03 13:29:46
○ 2017-08-12 07:24:58
○ 2026-07-25 00:59:02
● 2016-12-03 13:29:46
○ 2017-08-12 07:24:58
○ 2026-07-25 00:59:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| nbrdc.cn | ns7.cnolnic.net, ns8.cnolnic.net | - |
✅ Authoritative Response
Server:180.76.132.69
NS records: ns7.cnolnic.net, ns8.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nbrdc.cn (unsigned zone)
⏱️ Timing
Total: 2939ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns8.cnolnic.net, ns7.cnolnic.net |
| SOA | 1 | ns7.cnolnic.net root.cnolnic.net |
Analysis
Name Servers
nbrdc.cn is delegated to two name servers: ns7.cnolnic.net and ns8.cnolnic.net.
nbrdc.cn uses the same name servers as several other domains — among them xsound.cc, godetek.com, sxsclj.com and two more.
ns7.cnolnic.net has three IP addresses (106.13.136.254, 182.61.7.97 and 240c:4082:0:5d80::2) and ns8.cnolnic.net has three IP addresses (106.12.41.177, 180.76.132.69 and 240c:4081:8000:1702::3).