ysko.cn - robtex.com
ysko.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.11.137.75🇺🇸 AS39847838.11.128.0/19 proxy registered | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1774859708 | ||||||
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=2034780519 | ||||||
Subdomains
mail.ysko.cn |
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSf1g1ns1.dnspod.net2015-12-18 → 2015-12-18 · 3 obs
○ 2016-09-24 04:35:52
○ 2026-05-12 00:53:02
○NSf1g1ns2.dnspod.net2015-12-18 → 2015-12-18 · 3 obs
○ 2016-09-24 04:35:52
○ 2026-05-12 00:53:02
●NSns1.nowcndns.com2026-04-10 → 2026-05-12 · 3 obs
● 2026-04-10 14:06:34
● 2026-05-12 00:53:02
●NSns2.nowcndns.com2026-04-10 → 2026-05-12 · 3 obs
● 2026-04-10 14:06:34
● 2026-05-12 00:53:02
○NSns3.dnsdun.com2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 04:35:52
○ 2017-07-04 10:20:30
○ 2026-05-12 00:53:02
○NSns6.dnsdun.net2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 04:35:52
○ 2017-07-04 10:20:30
○ 2026-05-12 00:53:02
○NSv1.mydomain1.com2017-07-04 → 2017-07-04 · 4 obs
● 2017-07-04 10:20:30
○ 2026-04-10 14:06:34
○ 2026-05-12 00:53:02
○MXmail.ysko.cn2017-07-04 → 2017-07-04 · 3 obs
○ 2026-04-10 14:06:34
○ 2026-05-12 00:53:02
○A23.224.100.592017-07-04 → 2017-07-04 · 4 obs
● 2017-07-04 10:20:30
○ 2026-04-10 14:06:34
○ 2026-05-12 00:53:02
●A38.11.137.752026-04-10 → 2026-05-12 · 3 obs
● 2026-04-10 14:06:34
● 2026-05-12 00:53:02
○A45.117.146.1722016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 04:35:52
○ 2017-07-04 10:20:30
○ 2026-05-12 00:53:02
○A45.34.64.1252015-12-18 → 2015-12-18 · 3 obs
○ 2016-09-24 04:35:52
○ 2026-05-12 00:53:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ysko.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.129
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ysko.cn (unsigned zone)
⏱️ Timing
Total: 1219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.11.137.75 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
mail.ysko.cn is a child of ysko.cn.
IP Addresses
ysko.cn resolves to one IP number: 38.11.137.75.
Other host names for instance mail.ysko.cn and piu4.cn share IP numbers with ysko.cn.
Name Servers
ysko.cn's delegation uses two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
ysko.cn uses the same name server setup as other domains, such as leuj.cn, cfaw.cn, labbit.cn, putao666.cn and linkkey.com.cn.
Host names with three IP numbers:
The host name ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138.
The host name ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.