ytksd.cn - robtex.com
ytksd.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 180.153.100.47🇨🇳 SHANGHAITELECOM180.153.100.0/24 SHIDC | ||||||
| NS | a.ezdnscenter.com ⭐ | ||||||
| A | 218.98.111.140🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | b.ezdnscenter.com | ||||||
| A | 183.253.57.210🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.58🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| MX | hzmx01.mxmail.netease.com ⭐ | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342697 | ||||||
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=2035085022 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSa.ezdnscenter.com2026-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 19:33:10
●NSb.ezdnscenter.com2026-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 19:33:10
●MXhzmx01.mxmail.netease.com2026-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 19:33:10
●MXhzmx02.mxmail.netease.com2026-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 19:33:10
●A180.153.100.472026-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 19:33:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ytksd.cn | a.ezdnscenter.com, b.ezdnscenter.com | - |
✅ Authoritative Response
Server:211.99.99.58
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ytksd.cn (unsigned zone)
⏱️ Timing
Total: 1516ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 180.153.100.47 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
Analysis
IP Addresses
ytksd.cn resolves to just one IP address, 180.153.100.47.
Two other host names, along with dgkuguo.w79.cndns5.com, ruitefeng.w79.cndns5.com and jacobsinternational.com.cn, also share IP numbers with ytksd.cn.
Name Servers
The NS records for ytksd.cn delegate to a.ezdnscenter.com and b.ezdnscenter.com.
ytksd.cn shares its NS records with other domains, for example inxu.cn, hdseals.com, canyinpinpai.com and two others.
Host names that have two IP addresses:
The A records for b.ezdnscenter.com return 183.253.57.210 and 211.99.99.58.
Host names that point to one IP address:
a.ezdnscenter.com resolves to the IP address 218.98.111.140.
Mail Servers
ytksd.cn is served by two mail servers, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
Among the domains sharing a mail server setup with ytksd.cn are casroad.com, htx-metal.com, hd-top.com and two others.
ytksd.cn partially shares its mail servers with other domains — including newcenturytooling.com, jiachengroup.cn, antaicx.com and vxii.cn.
These mail servers often co-occur with the mail servers mx.ym.163.com.
Host names that have two IP addresses:
The A records for hzmx01.mxmail.netease.com return 47.251.71.119 and 47.251.84.126.