biotrainee.cn - robtex.com

biotrainee.cn

DNSSEC⚠️ Not signed
A180.171.99.90🇨🇳 SHANGHAITELECOM180.171.0.0/16 Chinanet Shanghai
NSns3.dnsv2.com ⭐
A2402:4e00:1470:2::12🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A1.12.0.29🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A1.13.76.55🇨🇳 TENCENT-NET-AP1.13.64.0/18
A111.13.203.55🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)
A117.135.128.155🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)
PTR(root)
A125.94.59.155🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A163.177.5.55🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
A220.196.136.55🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24
NSns4.dnsv2.com
A2402:4e00:111:fff::f🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.30🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A1.14.119.55🇨🇳 TENCENT-NET-AP1.14.64.0/18
A36.155.149.55🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A49.7.107.155🇨🇳 CHINA-149.7.64.0/18 China Telecom Beijing Co. Ltd.
A101.227.168.55🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC
A124.64.205.155🇨🇳 CHINA169-BJ124.64.205.0/24
SOAns3.dnsv2.comlevel3dnsadmin@dnspod.com serial=1778280002

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034769479

Same first word

biotrainee.cn

DNS History

3 records (3 active, 0 former)

NSns3.dnsv2.comns4.dnsv2.comA180.171.99.90
●NSns3.dnsv2.com2026-04-14 → 2026-05-09 · 2 obs
● 2026-04-14 01:52:00
● 2026-05-09 06:36:42
●NSns4.dnsv2.com2026-04-14 → 2026-05-09 · 2 obs
● 2026-04-14 01:52:00
● 2026-05-09 06:36:42
●A180.171.99.902026-04-14 → 2026-05-09 · 2 obs
● 2026-04-14 01:52:00
● 2026-05-09 06:36:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
biotrainee.cnns3.dnsv2.com, ns4.dnsv2.com-

✅ Authoritative Response

Server:1.14.119.55

NS records: ns3.dnsv2.com, ns4.dnsv2.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biotrainee.cn (unsigned zone)

⏱️ Timing

Total: 1497ms | Queries: -

📄 Records

TypeCountSample Data
A1180.171.99.90
NS2ns3.dnsv2.com, ns4.dnsv2.com
SOA1ns3.dnsv2.com level3dnsadmin.dnspod.com

Analysis

IP Addresses

biotrainee.cn points to IP number 180.171.99.90.

Other host names, for instance, biotree.top share IP numbers with biotrainee.cn.

Name Servers

biotrainee.cn is delegated to two name servers: ns3.dnsv2.com and ns4.dnsv2.com.

biotrainee.cn uses the same name server setup as other domains such as qjxxpt.com, haixiaohao.com, bit-sea.com, hst-sc.com and ybtss.com.

biotrainee.cn shares name servers with other domains at least partially, for example hqchip.com, yra2.com, 3ol.com, smt.net and 8kit.com.

These name servers are commonly used together with f1g1ns1.dnspod.net, f1g1ns2.dnspod.net, hundred.dnspod.net and valentina.dnspod.net.

Eight IP numbers per host:

The host name ns3.dnsv2.com points to 2402:4e00:1470:2::12, 1.12.0.29, 1.13.76.55, 111.13.203.55, 117.135.128.155, 125.94.59.155, 163.177.5.55 and 220.196.136.55.

Seven IP numbers per host:

The host name ns4.dnsv2.com points to 2402:4e00:111:fff::f, 1.12.0.30, 1.14.119.55, 36.155.149.55, 49.7.107.155, 101.227.168.55 and 124.64.205.155.