021yc.cn - robtex.com
021yc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.201.130.51🇺🇸 POWERLINE-HK154.201.128.0/17 Digital Core Technology Co., Ltd | ||||||
| NS | ns1.dnsip.com ⭐ | ||||||
| A | 2001:df2:f080:1::10🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 1.193.216.199🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.202🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.206🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dnsip.com | ||||||
| A | 240e:97d:10:1402:0:1:0:1008🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 61.158.128.1🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 1.128.158.61.ha.cnc | ||||||
| A | 183.253.57.193🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.29🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| A | 211.99.99.33🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.dnsip.comdnsadmin@dnsip.com serial=1751342784 | ||||||
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=2034725704 | ||||||
Subdomains
www.021yc.cn |
Same first word
021yc.cn |
Similar names
DNS History
10 records (3 active, 7 former)
●NSns1.dnsip.com2026-03-16 → 2026-04-29 · 3 obs
● 2026-03-16 19:35:44
● 2026-04-29 01:01:58
○NSns11.xincache.com2015-08-03 → 2015-08-03 · 3 obs
○ 2015-11-24 10:53:22
○ 2026-04-29 01:01:58
○NSns12.xincache.com2015-08-03 → 2015-08-03 · 3 obs
○ 2015-11-24 10:53:22
○ 2026-04-29 01:01:58
○NSns17.xincache.com2015-11-24 → 2020-03-01 · 5 obs
● 2015-11-24 10:53:22
● 2020-03-01 17:09:16
○ 2026-03-16 19:35:44
○ 2026-04-29 01:01:58
○NSns18.xincache.com2015-11-24 → 2020-03-01 · 5 obs
● 2015-11-24 10:53:22
● 2020-03-01 17:09:16
○ 2026-03-16 19:35:44
○ 2026-04-29 01:01:58
●NSns2.dnsip.com2026-03-16 → 2026-04-29 · 3 obs
● 2026-03-16 19:35:44
● 2026-04-29 01:01:58
○MXmxbiz1.qq.com2020-03-01 → 2020-03-01 · 3 obs
○ 2026-03-16 19:35:44
○ 2026-04-29 01:01:58
○MXmxbiz2.qq.com2020-03-01 → 2020-03-01 · 3 obs
○ 2026-03-16 19:35:44
○ 2026-04-29 01:01:58
○A119.146.223.2222015-08-03 → 2020-03-01 · 4 obs
● 2020-03-01 17:09:16
○ 2026-03-16 19:35:44
○ 2026-04-29 01:01:58
●A154.201.130.512026-03-16 → 2026-04-29 · 3 obs
● 2026-03-16 19:35:44
● 2026-04-29 01:01:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 021yc.cn | ns1.dnsip.com, ns2.dnsip.com | - |
✅ Authoritative Response
Server:183.253.57.193
NS records: ns1.dnsip.com, ns2.dnsip.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 021yc.cn (unsigned zone)
⏱️ Timing
Total: 4353ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.201.130.51 |
| NS | 2 | ns1.dnsip.com, ns2.dnsip.com |
| SOA | 1 | ns1.dnsip.com dnsadmin.dnsip.com |
Analysis
Hierarchy
The parent of www.021yc.cn is 021yc.cn.
IP Addresses
021yc.cn points to an IP address: 154.201.130.51.
Other host names, such as www.021yc.cn, mutaoyun.com and qqchy.com, share IP numbers with 021yc.cn.
Name Servers
Two name servers ns1.dnsip.com and ns2.dnsip.com handle the delegation for 021yc.cn.
021yc.cn shares the same name server setup as other domains, for instance iejv.net, 21475500.com, szhzy.com, wsdjr.com and jbofgb.cn.
Host names with five IP numbers: The host name ns2.dnsip.com points to: 240e:97d:10:1402:0:1:0:1008, 61.158.128.1, 183.253.57.193, 211.99.99.29 and 211.99.99.33. Host names with four IP numbers: The host name ns1.dnsip.com points to: 2001:df2:f080:1::10, 1.193.216.199, 218.98.111.202 and 218.98.111.206.