crrcbj.cn - robtex.com
crrcbj.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.100.47.27🇨🇳 CHINA-1211.100.0.0/18 | ||||||
| NS | ns2.east.net.cn ⭐ | ||||||
| A | 2401:3480:0:1::6a4b:18e7🇨🇳 CHINA-12401:3480::/36 ASes Within CT BeiJing IDC | ||||||
| A | 106.75.24.231🇨🇳 CHINA169-BJ106.75.0.0/19 China Telecom Beijing Co. Ltd. | ||||||
| PTR | g0wjfqn.cn | ||||||
| NS | ns2.east.net | ||||||
| A | 2401:3480:0:1::6a4b:5107🇨🇳 CHINA-12401:3480::/36 ASes Within CT BeiJing IDC | ||||||
| A | 106.75.81.7🇨🇳 CHINA169-BJ106.75.64.0/19 China Telecom Beijing Co. Ltd. | ||||||
| MX | mx5x01.east.net ⭐ | ||||||
| A | 211.100.47.36🇨🇳 CHINA-1211.100.0.0/18 | ||||||
| PTR | mx5x01.east.net | ||||||
| MX | mx5x02.east.net(20) | ||||||
| A | 211.100.47.37🇨🇳 CHINA-1211.100.0.0/18 | ||||||
| SOA | ns2.east.net.cnroot@ns2.east.net.cn 2013-08-09 #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=2034709201 | ||||||
Same first word
DNS History
5 records (5 active, 0 former)
●NSns2.east.net.cn2015-07-13 → 2026-04-25 · 2 obs
● 2026-04-25 03:18:50
●A211.100.47.272015-07-13 → 2026-04-25 · 2 obs
● 2026-04-25 03:18:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | 11 records |
| crrcbj.cn | ns2.east.net, ns2.east.net.cn | - |
✅ Authoritative Response
Server:106.75.24.231
NS records: ns2.east.net, ns2.east.net.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crrcbj.cn (unsigned zone)
⏱️ Timing
Total: 2364ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.100.47.27 |
| NS | 2 | ns2.east.net.cn, ns2.east.net |
| MX | 2 | mx5x01.east.net (pri: 10), mx5x02.east.net (pri: 20) |
| SOA | 1 | ns2.east.net.cn root.ns2.east.net.cn |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
crrcbj.cn resolves to one IP number: 211.100.47.27.
Name Servers
crrcbj.cn is delegated to two name servers ns2.east.net and ns2.east.net.cn.
crrcbj.cn shares the same name server setup as other domains, for instance bdthbeijing.com, ypwater.cn, gohealth.com.cn, greenbr.org.cn and yadu.com.
crrcbj.cn at least partially shares name servers with other domains, for instance fna.cn.
Host names with two IP numbers:
The host name ns2.east.net points to 2401:3480:0:1::6a4b:5107 and 106.75.81.7; the host name ns2.east.net.cn points to 2401:3480:0:1::6a4b:18e7 and 106.75.24.231.
Mail Servers
Two mail servers handle crrcbj.cn: mx5x01.east.net and mx5x02.east.net.
crrcbj.cn shares the same mail server setup as other domains, for instance js-hmdf.com, cpsent.com, ensky.com.cn, ludi.com.cn and wuhanhorizon.com.
crrcbj.cn shares some mail servers with other domains, at least partially, for instance mail5x12.east.net, mail5x11.east.net, mail5x07.east.net, mail5x03.east.net and eastcnclaser.com.
Host names with one IP number:
mx5x01.east.net points to 211.100.47.36
mx5x02.east.net points to 211.100.47.37