sample.net.cn - robtex.com
sample.net.cn
net.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2028194293 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.cnolnic.net2026-06-04 → 2026-07-17 · 2 obs
● 2026-07-17 19:20:06
●NSns2.cnolnic.net2026-06-04 → 2026-07-17 · 2 obs
● 2026-07-17 19:20:06
●MXmx2.chinaemail.cn2026-06-04 → 2026-07-17 · 7 obs
● 2026-06-17 06:22:56
○ 2026-06-19 05:47:50
● 2026-07-08 06:17:52
○ 2026-07-11 07:41:46
● 2026-07-17 19:20:00
● 2026-07-17 19:20:06
●MXmxa2.chinaemail.cn2026-06-04 → 2026-07-17 · 7 obs
● 2026-06-17 06:22:56
○ 2026-06-19 05:47:50
● 2026-07-08 06:17:52
○ 2026-07-11 07:41:46
● 2026-07-17 19:20:00
● 2026-07-17 19:20:06
●A221.199.203.2382026-06-04 → 2026-07-17 · 7 obs
● 2026-06-17 06:22:56
○ 2026-06-19 05:47:50
● 2026-07-08 06:17:52
○ 2026-07-11 07:41:46
● 2026-07-17 19:20:00
● 2026-07-17 19:20:06
●A2408:862a:b800:1::2026-06-04 → 2026-07-17 · 7 obs
● 2026-06-17 06:22:56
○ 2026-06-19 05:47:50
● 2026-07-08 06:17:52
○ 2026-07-11 07:41:46
● 2026-07-17 19:20:00
● 2026-07-17 19:20:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sample.net.cn | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:106.13.136.254
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sample.net.cn (unsigned zone)
⏱️ Timing
Total: 1844ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.199.203.238 |
| AAAA | 1 | 2408:862a:b800:1:: |
| NS | 2 | ns1.cnolnic.net, ns2.cnolnic.net |
| MX | 2 | mx2.chinaemail.cn (pri: 10), mxa2.chinaemail.cn (pri: 5) |
| TXT | 1 | v=spf1 include:spf.chinaemail.cn -all |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
IP Addresses
sample.net.cn resolves to the IP addresses 221.199.203.238 and 2408:862a:b800:1::
Among the host names that share IP numbers with sample.net.cn is nmgdk.gov.cn, as one example.
Name Servers
The NS records for sample.net.cn delegate to ns1.cnolnic.net and ns2.cnolnic.net.
sample.net.cn uses the same name servers as several other domains — among them nbtmc.com, yballvideo.com, longerlighting.cn and two more.
ns1.cnolnic.net and ns2.cnolnic.net each have three IP addresses — ns1.cnolnic.net directs to 106.13.136.254, 182.61.7.97 and 240c:4082:0:5d80::2; ns2.cnolnic.net directs to 106.12.41.177, 180.76.132.69 and 240c:4081:8000:1702::3.
Mail Servers
Mail for sample.net.cn is handled by two mail servers — mx2.chinaemail.cn and mxa2.chinaemail.cn.
sample.net.cn uses an identical mail server configuration to several other domains — among them zdct.net, hndsz.com.cn, cn-highland.com and two more.
sample.net.cn has at least partial mail server overlap with other domains such as chinafore.cn, hexas.com.cn, memshell.com.cn and two more.
Hosts that point to four IP numbers:
mx2.chinaemail.cn has four IP addresses: 43.128.31.66, 43.129.30.92, 43.135.96.239 and 159.138.140.216.
Hostnames that resolve to three IP addresses:
mxa2.chinaemail.cn maps to three IP addresses: 43.128.31.66, 43.135.96.239 and 159.138.140.216.
mx2.chinaemail.cn and mxa2.chinaemail.cn each have 43.128.31.66 IP addresses.
mx2.chinaemail.cn and mxa2.chinaemail.cn each have 43.135.96.239 IP addresses.
mx2.chinaemail.cn and mxa2.chinaemail.cn each have 159.138.140.216 IP addresses.