tzhangfeng.com - robtex.com
tzhangfeng.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.21.141.130🇨🇳 SHANGHAITELECOM103.21.140.0/23 Chinanet Shanghai | ||||||
| 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 Proxy-registered route object | ||||||
| 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) | ||||||
| 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 | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342677 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775979427 | ||||||
Same first word
tzhangfeng.com |
DNS History
5 records (5 active, 0 former)
●NSa.ezdnscenter.com2017-08-14 → 2026-04-12 · 2 obs
● 2026-04-12 07:54:48
●NSb.ezdnscenter.com2026-03-15 → 2026-04-12 · 3 obs
● 2026-03-15 13:07:20
● 2026-04-12 07:54:48
●MXhzmx01.mxmail.netease.com2026-03-15 → 2026-04-12 · 2 obs
● 2026-04-12 07:54:48
●MXhzmx02.mxmail.netease.com2026-03-15 → 2026-04-12 · 2 obs
● 2026-04-12 07:54:48
●A103.21.141.1302026-03-15 → 2026-04-12 · 2 obs
● 2026-04-12 07:54:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| tzhangfeng.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tzhangfeng.com (unsigned zone)
⏱️ Timing
Total: 3582ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.141.130 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)
Analysis
IP Addresses
tzhangfeng.com points to a single IP: 103.21.141.130.
Other host names, for instance jsytgd.com, demag-tv.com, zgbsf.com, chylink.com and yhpco.com share IP numbers with tzhangfeng.com.
Name Servers
tzhangfeng.com's delegation is to two name servers a.ezdnscenter.com and b.ezdnscenter.com.
tzhangfeng.com shares the same name server configuration as other domains, such as tktoy.net, yunsign.com, retcc.net, news-web.cn and miaoyin.com.
Host names with two IPs:
b.ezdnscenter.com points to: 183.253.57.210 and 211.99.99.58.
Host names with one IP:
a.ezdnscenter.com points to: 218.98.111.140.
Mail Servers
Two mail servers hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com handle tzhangfeng.com.
tzhangfeng.com uses the same mail server setup as other domains such as jsqldz.com, meikesolar.com, hzapex.com, guition.com and metamailplus.top.
tzhangfeng.com shares at least partially some mail servers with other domains, for example ttgear.com, pub.hep.cn, linglaw.com and joinlion.com.cn.
Host names with two IP numbers:
The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com point to 47.251.71.119 and 47.251.84.126.
Host names that point to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
Host names that point to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.