021barcode.cn - robtex.com
021barcode.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.33.234.25🇺🇸 PEGTECHINC38.33.192.0/18 PEG TECH INC | ||||||
| NS | ns3.01isp.com ⭐ | ||||||
| A | 42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom | ||||||
| NS | ns4.01isp.net | ||||||
| A | 47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object | ||||||
| SOA | ns3.01isp.comadmin@now.cn 2026-04-23 #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=2034730182 | ||||||
Same first word
021barcode.cn |
DNS History
6 records (3 active, 3 former)
○NSns1.eedns.com2015-11-13 → 2016-06-18 · 4 obs
● 2016-06-18 07:08:22
○ 2017-02-15 09:44:46
○ 2026-04-29 18:52:36
●NSns3.01isp.com2026-03-05 → 2026-04-29 · 3 obs
● 2026-03-05 23:49:34
● 2026-04-29 18:52:36
●NSns4.01isp.net2026-03-05 → 2026-04-29 · 3 obs
● 2026-03-05 23:49:34
● 2026-04-29 18:52:36
○A198.185.159.1442015-06-09 → 2015-06-09 · 3 obs
○ 2026-03-05 23:49:34
○ 2026-04-29 18:52:36
●A38.33.234.252026-03-05 → 2026-04-29 · 3 obs
● 2026-03-05 23:49:34
● 2026-04-29 18:52:36
○A68.64.163.1972015-11-13 → 2016-06-18 · 5 obs
● 2015-11-13 19:29:48
● 2016-06-18 07:08:22
○ 2017-02-15 09:44:46
○ 2026-04-29 18:52:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 021barcode.cn | ns3.01isp.com, ns4.01isp.net | - |
✅ Authoritative Response
Server:47.239.41.106
NS records: ns3.01isp.com, ns4.01isp.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 021barcode.cn (unsigned zone)
⏱️ Timing
Total: 1676ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.33.234.25 |
| NS | 2 | ns3.01isp.com, ns4.01isp.net |
| SOA | 1 | ns3.01isp.com admin.now.cn |
Analysis
IP Addresses
021barcode.cn maps to IP address 38.33.234.25.
Other host names for instance tour188.cn and 98yingshi.cn share IP numbers with 021barcode.cn.
Name Servers
Two name servers ns3.01isp.com and ns4.01isp.net are delegated to 021barcode.cn.
021barcode.cn uses the same name server configuration as other domains, such as cfso.com.cn, sunrise.sh, deihe.cn, arental.net and oeoe.com.
021barcode.cn at least partially shares name servers with other domains such as cmtdz.com, huaian.mobi, sgspeaker.com, hbwiremesh.com and kscd.cn.
These name servers are commonly used alongside ns7.01isp.com, ns8.01isp.net and ns4001.01isp.net.
Host names with a single IP address:
ns3.01isp.com points to 42.240.142.46
ns4.01isp.net points to 47.239.41.106