sistbiotech.com - robtex.com
sistbiotech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.105.199.6🇺🇸 IT-123.105.192.0/19 IT7 Networks Inc | ||||||
| PTR | 23.105.199.6.16clouds.com | ||||||
| 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=1751342693 | ||||||
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=1785427927 | ||||||
Same first word
sistbiotech.com |
DNS History
5 records (5 active, 0 former)
●NSa.ezdnscenter.com2019-12-15 → 2026-07-30 · 2 obs
● 2026-07-30 16:34:24
●NSb.ezdnscenter.com2019-12-15 → 2026-07-30 · 2 obs
● 2026-07-30 16:34:24
●MXhzmx01.mxmail.netease.com2019-12-15 → 2026-07-30 · 2 obs
● 2026-07-30 16:34:24
●MXhzmx02.mxmail.netease.com2019-12-15 → 2026-07-30 · 2 obs
● 2026-07-30 16:34:24
●A23.105.199.62019-12-15 → 2026-07-30 · 2 obs
● 2026-07-30 16:34:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| sistbiotech.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:218.98.111.140
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sistbiotech.com (unsigned zone)
⏱️ Timing
Total: 3494ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.105.199.6 |
| 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
sistbiotech.com has exactly one IP address — 23.105.199.6.
utcsz.com, 23.105.199.6.16clouds.com, yunxuantool.com plus two other host names have IP numbers in common with sistbiotech.com.
Name Servers
DNS delegation for sistbiotech.com points to two name servers: a.ezdnscenter.com and b.ezdnscenter.com.
The name server configuration of sistbiotech.com is shared with other domains, for instance 13mi.net, aiiol.com, ecomanbiotech.com and two others.
Host names pointing to two IP addresses:
b.ezdnscenter.com has two IP addresses: 183.253.57.210 and 211.99.99.58.
Host names resolving to a single IP address:
a.ezdnscenter.com directs to 218.98.111.140.
Mail Servers
sistbiotech.com uses two mail servers, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
The mail server setup of sistbiotech.com matches that of other domains such as palatam.com, plus-digital.com.cn, maquina.cn and two others.
sistbiotech.com has mail servers in common with other domains — for example yangze.net, shcxsb.com and hiikon.com.
Host names pointing to two IP addresses:
hzmx01.mxmail.netease.com has two IP addresses: 47.251.71.119 and 47.251.84.126.